id	sid	tid	token	lemma	pos
fumecheng-7021	1	1	facta	facta	PROPN
fumecheng-7021	1	2	universitatis	universitatis	PROPN
fumecheng-7021	1	3	series	series	NOUN
fumecheng-7021	1	4	:	:	PUNCT
fumecheng-7021	1	5	mechanical	mechanical	ADJ
fumecheng-7021	1	6	engineering	engineering	NOUN
fumecheng-7021	1	7	vol	vol	NOUN
fumecheng-7021	1	8	.	.	PROPN
fumecheng-7021	2	1	18	18	NUM
fumecheng-7021	2	2	,	,	PUNCT
fumecheng-7021	2	3	no	no	DET
fumecheng-7021	2	4	4	4	NUM
fumecheng-7021	2	5	,	,	PUNCT
fumecheng-7021	2	6	2020	2020	NUM
fumecheng-7021	2	7	,	,	PUNCT
fumecheng-7021	2	8	pp	pp	ADV
fumecheng-7021	2	9	.	.	PUNCT
fumecheng-7021	3	1	537	537	NUM
fumecheng-7021	3	2	544	544	NUM
fumecheng-7021	3	3	https://doi.org/10.22190/fume201002045l	https://doi.org/10.22190/fume201002045l	PROPN
fumecheng-7021	3	4	©	©	PROPN
fumecheng-7021	3	5	2020	2020	NUM
fumecheng-7021	3	6	by	by	ADP
fumecheng-7021	3	7	university	university	PROPN
fumecheng-7021	3	8	of	of	ADP
fumecheng-7021	3	9	niš	niš	PROPN
fumecheng-7021	3	10	,	,	PUNCT
fumecheng-7021	3	11	serbia	serbia	PROPN
fumecheng-7021	3	12	|	|	ADV
fumecheng-7021	3	13	creative	creative	ADJ
fumecheng-7021	3	14	commons	common	NOUN
fumecheng-7021	3	15	licence	licence	NOUN
fumecheng-7021	3	16	:	:	PUNCT
fumecheng-7021	3	17	cc	cc	VERB
fumecheng-7021	3	18	by	by	ADP
fumecheng-7021	3	19	-	-	PUNCT
fumecheng-7021	3	20	nc	nc	VERB
fumecheng-7021	3	21	-	-	PUNCT
fumecheng-7021	3	22	nd	nd	ADV
fumecheng-7021	3	23	original	original	ADJ
fumecheng-7021	3	24	scientific	scientific	ADJ
fumecheng-7021	3	25	paper	paper	ADJ
fumecheng-7021	3	26	simulation	simulation	NOUN
fumecheng-7021	3	27	of	of	ADP
fumecheng-7021	3	28	a	a	DET
fumecheng-7021	3	29	single	single	ADJ
fumecheng-7021	3	30	third	third	ADJ
fumecheng-7021	3	31	-	-	PUNCT
fumecheng-7021	3	32	body	body	NOUN
fumecheng-7021	3	33	particle	particle	NOUN
fumecheng-7021	3	34	in	in	ADP
fumecheng-7021	3	35	frictional	frictional	ADJ
fumecheng-7021	3	36	contact	contact	NOUN
fumecheng-7021	3	37	qiang	qiang	PROPN
fumecheng-7021	3	38	li	li	PROPN
fumecheng-7021	3	39	berlin	berlin	PROPN
fumecheng-7021	3	40	university	university	PROPN
fumecheng-7021	3	41	of	of	ADP
fumecheng-7021	3	42	technology	technology	PROPN
fumecheng-7021	3	43	,	,	PUNCT
fumecheng-7021	3	44	berlin	berlin	PROPN
fumecheng-7021	3	45	,	,	PUNCT
fumecheng-7021	3	46	germany	germany	PROPN
fumecheng-7021	3	47	abstract	abstract	NOUN
fumecheng-7021	3	48	.	.	PUNCT
fumecheng-7021	4	1	contact	contact	NOUN
fumecheng-7021	4	2	of	of	ADP
fumecheng-7021	4	3	a	a	DET
fumecheng-7021	4	4	single	single	ADJ
fumecheng-7021	4	5	third	third	ADJ
fumecheng-7021	4	6	-	-	PUNCT
fumecheng-7021	4	7	body	body	NOUN
fumecheng-7021	4	8	particle	particle	NOUN
fumecheng-7021	4	9	between	between	ADP
fumecheng-7021	4	10	two	two	NUM
fumecheng-7021	4	11	plates	plate	NOUN
fumecheng-7021	4	12	is	be	AUX
fumecheng-7021	4	13	simulated	simulate	VERB
fumecheng-7021	4	14	using	use	VERB
fumecheng-7021	4	15	the	the	DET
fumecheng-7021	4	16	boundary	boundary	ADJ
fumecheng-7021	4	17	element	element	NOUN
fumecheng-7021	4	18	method	method	NOUN
fumecheng-7021	4	19	.	.	PUNCT
fumecheng-7021	5	1	the	the	DET
fumecheng-7021	5	2	particle	particle	NOUN
fumecheng-7021	5	3	is	be	AUX
fumecheng-7021	5	4	considered	consider	VERB
fumecheng-7021	5	5	as	as	ADP
fumecheng-7021	5	6	deformable	deformable	ADJ
fumecheng-7021	5	7	,	,	PUNCT
fumecheng-7021	5	8	and	and	CCONJ
fumecheng-7021	5	9	the	the	DET
fumecheng-7021	5	10	coulomb	coulomb	NOUN
fumecheng-7021	5	11	’s	’s	PART
fumecheng-7021	5	12	law	law	NOUN
fumecheng-7021	5	13	of	of	ADP
fumecheng-7021	5	14	friction	friction	NOUN
fumecheng-7021	5	15	is	be	AUX
fumecheng-7021	5	16	assumed	assume	VERB
fumecheng-7021	5	17	at	at	ADP
fumecheng-7021	5	18	the	the	DET
fumecheng-7021	5	19	contact	contact	NOUN
fumecheng-7021	5	20	interface	interface	NOUN
fumecheng-7021	5	21	.	.	PUNCT
fumecheng-7021	6	1	the	the	DET
fumecheng-7021	6	2	normal	normal	ADJ
fumecheng-7021	6	3	pressure	pressure	NOUN
fumecheng-7021	6	4	distribution	distribution	NOUN
fumecheng-7021	6	5	and	and	CCONJ
fumecheng-7021	6	6	tangential	tangential	ADJ
fumecheng-7021	6	7	stress	stress	NOUN
fumecheng-7021	6	8	distribution	distribution	NOUN
fumecheng-7021	6	9	in	in	ADP
fumecheng-7021	6	10	contact	contact	NOUN
fumecheng-7021	6	11	as	as	ADV
fumecheng-7021	6	12	well	well	ADV
fumecheng-7021	6	13	as	as	ADP
fumecheng-7021	6	14	the	the	DET
fumecheng-7021	6	15	macroscopic	macroscopic	ADJ
fumecheng-7021	6	16	force	force	NOUN
fumecheng-7021	6	17	and	and	CCONJ
fumecheng-7021	6	18	force	force	NOUN
fumecheng-7021	6	19	moment	moment	NOUN
fumecheng-7021	6	20	are	be	AUX
fumecheng-7021	6	21	calculated	calculate	VERB
fumecheng-7021	6	22	.	.	PUNCT
fumecheng-7021	7	1	several	several	ADJ
fumecheng-7021	7	2	movement	movement	NOUN
fumecheng-7021	7	3	modes	mode	NOUN
fumecheng-7021	7	4	are	be	AUX
fumecheng-7021	7	5	shown	show	VERB
fumecheng-7021	7	6	to	to	PART
fumecheng-7021	7	7	be	be	AUX
fumecheng-7021	7	8	possible	possible	ADJ
fumecheng-7021	7	9	:	:	PUNCT
fumecheng-7021	7	10	rolling	rolling	ADJ
fumecheng-7021	7	11	,	,	PUNCT
fumecheng-7021	7	12	rotation	rotation	NOUN
fumecheng-7021	7	13	,	,	PUNCT
fumecheng-7021	7	14	or	or	CCONJ
fumecheng-7021	7	15	sticking	stick	VERB
fumecheng-7021	7	16	during	during	ADP
fumecheng-7021	7	17	the	the	DET
fumecheng-7021	7	18	loading	loading	NOUN
fumecheng-7021	7	19	.	.	PUNCT
fumecheng-7021	8	1	it	it	PRON
fumecheng-7021	8	2	is	be	AUX
fumecheng-7021	8	3	found	find	VERB
fumecheng-7021	8	4	that	that	SCONJ
fumecheng-7021	8	5	,	,	PUNCT
fumecheng-7021	8	6	differing	differ	VERB
fumecheng-7021	8	7	from	from	ADP
fumecheng-7021	8	8	rigid	rigid	ADJ
fumecheng-7021	8	9	particles	particle	NOUN
fumecheng-7021	8	10	,	,	PUNCT
fumecheng-7021	8	11	the	the	DET
fumecheng-7021	8	12	state	state	NOUN
fumecheng-7021	8	13	of	of	ADP
fumecheng-7021	8	14	particle	particle	NOUN
fumecheng-7021	8	15	may	may	AUX
fumecheng-7021	8	16	change	change	VERB
fumecheng-7021	8	17	during	during	ADP
fumecheng-7021	8	18	the	the	DET
fumecheng-7021	8	19	loading	loading	NOUN
fumecheng-7021	8	20	.	.	PUNCT
fumecheng-7021	9	1	the	the	DET
fumecheng-7021	9	2	particle	particle	NOUN
fumecheng-7021	9	3	may	may	AUX
fumecheng-7021	9	4	stick	stick	VERB
fumecheng-7021	9	5	to	to	ADP
fumecheng-7021	9	6	the	the	DET
fumecheng-7021	9	7	plates	plate	NOUN
fumecheng-7021	9	8	initially	initially	ADV
fumecheng-7021	9	9	,	,	PUNCT
fumecheng-7021	9	10	but	but	CCONJ
fumecheng-7021	9	11	rotation	rotation	NOUN
fumecheng-7021	9	12	may	may	AUX
fumecheng-7021	9	13	occur	occur	VERB
fumecheng-7021	9	14	when	when	SCONJ
fumecheng-7021	9	15	the	the	DET
fumecheng-7021	9	16	load	load	NOUN
fumecheng-7021	9	17	becomes	become	VERB
fumecheng-7021	9	18	larger	large	ADJ
fumecheng-7021	9	19	.	.	PUNCT
fumecheng-7021	10	1	examples	example	NOUN
fumecheng-7021	10	2	with	with	ADP
fumecheng-7021	10	3	the	the	DET
fumecheng-7021	10	4	same	same	ADJ
fumecheng-7021	10	5	and	and	CCONJ
fumecheng-7021	10	6	different	different	ADJ
fumecheng-7021	10	7	coefficients	coefficient	NOUN
fumecheng-7021	10	8	of	of	ADP
fumecheng-7021	10	9	friction	friction	NOUN
fumecheng-7021	10	10	are	be	AUX
fumecheng-7021	10	11	presented	present	VERB
fumecheng-7021	10	12	to	to	PART
fumecheng-7021	10	13	show	show	VERB
fumecheng-7021	10	14	kinematics	kinematic	NOUN
fumecheng-7021	10	15	of	of	ADP
fumecheng-7021	10	16	particle	particle	NOUN
fumecheng-7021	10	17	.	.	PUNCT
fumecheng-7021	11	1	the	the	DET
fumecheng-7021	11	2	method	method	NOUN
fumecheng-7021	11	3	can	can	AUX
fumecheng-7021	11	4	be	be	AUX
fumecheng-7021	11	5	further	far	ADV
fumecheng-7021	11	6	applied	apply	VERB
fumecheng-7021	11	7	to	to	ADP
fumecheng-7021	11	8	simulation	simulation	NOUN
fumecheng-7021	11	9	of	of	ADP
fumecheng-7021	11	10	multiple	multiple	ADJ
fumecheng-7021	11	11	third	third	ADJ
fumecheng-7021	11	12	-	-	PUNCT
fumecheng-7021	11	13	body	body	NOUN
fumecheng-7021	11	14	particles	particle	NOUN
fumecheng-7021	11	15	.	.	PUNCT
fumecheng-7021	12	1	key	key	ADJ
fumecheng-7021	12	2	words	word	NOUN
fumecheng-7021	12	3	:	:	PUNCT
fumecheng-7021	12	4	third	third	ADJ
fumecheng-7021	12	5	-	-	PUNCT
fumecheng-7021	12	6	body	body	NOUN
fumecheng-7021	12	7	,	,	PUNCT
fumecheng-7021	12	8	particle	particle	NOUN
fumecheng-7021	12	9	,	,	PUNCT
fumecheng-7021	12	10	friction	friction	NOUN
fumecheng-7021	12	11	,	,	PUNCT
fumecheng-7021	12	12	numerical	numerical	PROPN
fumecheng-7021	12	13	simulation	simulation	PROPN
fumecheng-7021	12	14	,	,	PUNCT
fumecheng-7021	12	15	boundary	boundary	ADJ
fumecheng-7021	12	16	element	element	NOUN
fumecheng-7021	12	17	method	method	NOUN
fumecheng-7021	12	18	1	1	NUM
fumecheng-7021	12	19	.	.	PUNCT
fumecheng-7021	12	20	introduction	introduction	NOUN
fumecheng-7021	12	21	it	it	PRON
fumecheng-7021	12	22	is	be	AUX
fumecheng-7021	12	23	the	the	DET
fumecheng-7021	12	24	mechanics	mechanic	NOUN
fumecheng-7021	12	25	of	of	ADP
fumecheng-7021	12	26	interactions	interaction	NOUN
fumecheng-7021	12	27	between	between	ADP
fumecheng-7021	12	28	the	the	DET
fumecheng-7021	12	29	surfaces	surface	NOUN
fumecheng-7021	12	30	of	of	ADP
fumecheng-7021	12	31	contacting	contact	VERB
fumecheng-7021	12	32	bodies	body	NOUN
fumecheng-7021	12	33	which	which	PRON
fumecheng-7021	12	34	determines	determine	VERB
fumecheng-7021	12	35	the	the	DET
fumecheng-7021	12	36	tribological	tribological	ADJ
fumecheng-7021	12	37	properties	property	NOUN
fumecheng-7021	12	38	in	in	ADP
fumecheng-7021	12	39	contact	contact	NOUN
fumecheng-7021	12	40	.	.	PUNCT
fumecheng-7021	13	1	the	the	DET
fumecheng-7021	13	2	processes	process	NOUN
fumecheng-7021	13	3	occurring	occur	VERB
fumecheng-7021	13	4	in	in	ADP
fumecheng-7021	13	5	the	the	DET
fumecheng-7021	13	6	“	"	PUNCT
fumecheng-7021	13	7	interface	interface	NOUN
fumecheng-7021	13	8	”	"	PUNCT
fumecheng-7021	13	9	are	be	AUX
fumecheng-7021	13	10	multiple	multiple	ADJ
fumecheng-7021	13	11	and	and	CCONJ
fumecheng-7021	13	12	complex	complex	ADJ
fumecheng-7021	13	13	:	:	PUNCT
fumecheng-7021	13	14	material	material	NOUN
fumecheng-7021	13	15	transfer	transfer	NOUN
fumecheng-7021	13	16	,	,	PUNCT
fumecheng-7021	13	17	wear	wear	NOUN
fumecheng-7021	13	18	,	,	PUNCT
fumecheng-7021	13	19	friction	friction	NOUN
fumecheng-7021	13	20	,	,	PUNCT
fumecheng-7021	13	21	particle	particle	NOUN
fumecheng-7021	13	22	formation	formation	NOUN
fumecheng-7021	13	23	,	,	PUNCT
fumecheng-7021	13	24	oxidation	oxidation	NOUN
fumecheng-7021	13	25	and	and	CCONJ
fumecheng-7021	13	26	corrosion	corrosion	NOUN
fumecheng-7021	13	27	,	,	PUNCT
fumecheng-7021	13	28	heat	heat	NOUN
fumecheng-7021	13	29	transfer	transfer	NOUN
fumecheng-7021	13	30	,	,	PUNCT
fumecheng-7021	13	31	fluid	fluid	ADJ
fumecheng-7021	13	32	flow	flow	NOUN
fumecheng-7021	13	33	and	and	CCONJ
fumecheng-7021	13	34	many	many	ADJ
fumecheng-7021	13	35	others	other	NOUN
fumecheng-7021	14	1	[	[	X
fumecheng-7021	14	2	1	1	NUM
fumecheng-7021	14	3	]	]	PUNCT
fumecheng-7021	14	4	.	.	PUNCT
fumecheng-7021	15	1	the	the	DET
fumecheng-7021	15	2	so	so	ADV
fumecheng-7021	15	3	-	-	PUNCT
fumecheng-7021	15	4	called	call	VERB
fumecheng-7021	15	5	“	"	PUNCT
fumecheng-7021	15	6	third	third	ADJ
fumecheng-7021	15	7	-	-	PUNCT
fumecheng-7021	15	8	body	body	NOUN
fumecheng-7021	15	9	”	"	PUNCT
fumecheng-7021	15	10	immediate	immediate	ADJ
fumecheng-7021	15	11	vicinity	vicinity	NOUN
fumecheng-7021	15	12	of	of	ADP
fumecheng-7021	15	13	an	an	DET
fumecheng-7021	15	14	interface	interface	NOUN
fumecheng-7021	15	15	,	,	PUNCT
fumecheng-7021	15	16	including	include	VERB
fumecheng-7021	15	17	the	the	DET
fumecheng-7021	15	18	surface	surface	NOUN
fumecheng-7021	15	19	layers	layer	NOUN
fumecheng-7021	15	20	of	of	ADP
fumecheng-7021	15	21	the	the	DET
fumecheng-7021	15	22	bodies	body	NOUN
fumecheng-7021	15	23	and	and	CCONJ
fumecheng-7021	15	24	the	the	DET
fumecheng-7021	15	25	particles	particle	NOUN
fumecheng-7021	15	26	in	in	ADP
fumecheng-7021	15	27	the	the	DET
fumecheng-7021	15	28	interface	interface	NOUN
fumecheng-7021	15	29	volume	volume	NOUN
fumecheng-7021	15	30	plays	play	VERB
fumecheng-7021	15	31	a	a	DET
fumecheng-7021	15	32	significant	significant	ADJ
fumecheng-7021	15	33	role	role	NOUN
fumecheng-7021	15	34	in	in	ADP
fumecheng-7021	15	35	terms	term	NOUN
fumecheng-7021	15	36	of	of	ADP
fumecheng-7021	15	37	tribological	tribological	ADJ
fumecheng-7021	15	38	properties	property	NOUN
fumecheng-7021	15	39	.	.	PUNCT
fumecheng-7021	16	1	the	the	DET
fumecheng-7021	16	2	interface	interface	NOUN
fumecheng-7021	16	3	particles	particle	NOUN
fumecheng-7021	16	4	and	and	CCONJ
fumecheng-7021	16	5	interfacial	interfacial	ADJ
fumecheng-7021	16	6	materials	material	NOUN
fumecheng-7021	16	7	develop	develop	VERB
fumecheng-7021	16	8	during	during	ADP
fumecheng-7021	16	9	the	the	DET
fumecheng-7021	16	10	frictional	frictional	ADJ
fumecheng-7021	16	11	process	process	NOUN
fumecheng-7021	16	12	and	and	CCONJ
fumecheng-7021	16	13	are	be	AUX
fumecheng-7021	16	14	usually	usually	ADV
fumecheng-7021	16	15	unmeasurable	unmeasurable	ADJ
fumecheng-7021	16	16	.	.	PUNCT
fumecheng-7021	17	1	therefore	therefore	ADV
fumecheng-7021	17	2	,	,	PUNCT
fumecheng-7021	17	3	a	a	DET
fumecheng-7021	17	4	very	very	ADV
fumecheng-7021	17	5	common	common	ADJ
fumecheng-7021	17	6	way	way	NOUN
fumecheng-7021	17	7	to	to	PART
fumecheng-7021	17	8	study	study	VERB
fumecheng-7021	17	9	third	third	ADJ
fumecheng-7021	17	10	-	-	PUNCT
fumecheng-7021	17	11	body	body	NOUN
fumecheng-7021	17	12	is	be	AUX
fumecheng-7021	17	13	experimentally	experimentally	ADV
fumecheng-7021	17	14	measuring	measure	VERB
fumecheng-7021	17	15	the	the	DET
fumecheng-7021	17	16	coefficient	coefficient	NOUN
fumecheng-7021	17	17	of	of	ADP
fumecheng-7021	17	18	friction	friction	NOUN
fumecheng-7021	17	19	and	and	CCONJ
fumecheng-7021	17	20	wear	wear	VERB
fumecheng-7021	17	21	rate	rate	NOUN
fumecheng-7021	17	22	for	for	ADP
fumecheng-7021	17	23	different	different	ADJ
fumecheng-7021	17	24	materials	material	NOUN
fumecheng-7021	17	25	,	,	PUNCT
fumecheng-7021	17	26	loading	loading	NOUN
fumecheng-7021	17	27	and	and	CCONJ
fumecheng-7021	17	28	system	system	NOUN
fumecheng-7021	17	29	parameters	parameter	NOUN
fumecheng-7021	17	30	and	and	CCONJ
fumecheng-7021	17	31	surrounding	surround	VERB
fumecheng-7021	17	32	environment	environment	NOUN
fumecheng-7021	17	33	[	[	X
fumecheng-7021	17	34	2	2	NUM
fumecheng-7021	17	35	,	,	PUNCT
fumecheng-7021	17	36	3	3	NUM
fumecheng-7021	17	37	]	]	PUNCT
fumecheng-7021	17	38	.	.	PUNCT
fumecheng-7021	18	1	experimental	experimental	ADJ
fumecheng-7021	18	2	studies	study	NOUN
fumecheng-7021	18	3	have	have	AUX
fumecheng-7021	18	4	shown	show	VERB
fumecheng-7021	18	5	that	that	SCONJ
fumecheng-7021	18	6	the	the	DET
fumecheng-7021	18	7	wear	wear	NOUN
fumecheng-7021	18	8	particle	particle	NOUN
fumecheng-7021	18	9	flow	flow	NOUN
fumecheng-7021	18	10	is	be	AUX
fumecheng-7021	18	11	essential	essential	ADJ
fumecheng-7021	18	12	for	for	ADP
fumecheng-7021	18	13	the	the	DET
fumecheng-7021	18	14	formation	formation	NOUN
fumecheng-7021	18	15	,	,	PUNCT
fumecheng-7021	18	16	localization	localization	NOUN
fumecheng-7021	18	17	,	,	PUNCT
fumecheng-7021	18	18	and	and	CCONJ
fumecheng-7021	18	19	reconstitution	reconstitution	NOUN
fumecheng-7021	18	20	of	of	ADP
fumecheng-7021	18	21	load	load	NOUN
fumecheng-7021	18	22	-	-	PUNCT
fumecheng-7021	18	23	bearing	bear	VERB
fumecheng-7021	18	24	structures	structure	NOUN
fumecheng-7021	18	25	or	or	CCONJ
fumecheng-7021	18	26	films	film	NOUN
fumecheng-7021	18	27	as	as	ADV
fumecheng-7021	18	28	well	well	ADV
fumecheng-7021	18	29	as	as	ADP
fumecheng-7021	18	30	the	the	DET
fumecheng-7021	18	31	resulting	result	VERB
fumecheng-7021	18	32	friction	friction	NOUN
fumecheng-7021	18	33	and	and	CCONJ
fumecheng-7021	18	34	wear	wear	VERB
fumecheng-7021	18	35	rate	rate	NOUN
fumecheng-7021	18	36	[	[	X
fumecheng-7021	18	37	4	4	NUM
fumecheng-7021	18	38	]	]	PUNCT
fumecheng-7021	18	39	.	.	PUNCT
fumecheng-7021	19	1	there	there	PRON
fumecheng-7021	19	2	have	have	AUX
fumecheng-7021	19	3	received	receive	VERB
fumecheng-7021	19	4	october	october	PROPN
fumecheng-7021	19	5	02	02	NUM
fumecheng-7021	19	6	,	,	PUNCT
fumecheng-7021	19	7	2020	2020	NUM
fumecheng-7021	19	8	/	/	SYM
fumecheng-7021	19	9	accepted	accept	VERB
fumecheng-7021	19	10	november	november	PROPN
fumecheng-7021	19	11	25	25	NUM
fumecheng-7021	19	12	,	,	PUNCT
fumecheng-7021	19	13	2020	2020	NUM
fumecheng-7021	19	14	corresponding	correspond	VERB
fumecheng-7021	19	15	author	author	NOUN
fumecheng-7021	19	16	:	:	PUNCT
fumecheng-7021	19	17	qiang	qiang	PROPN
fumecheng-7021	19	18	,	,	PUNCT
fumecheng-7021	19	19	li	li	PROPN
fumecheng-7021	19	20	affiliation	affiliation	PROPN
fumecheng-7021	19	21	:	:	PUNCT
fumecheng-7021	19	22	berlin	berlin	PROPN
fumecheng-7021	19	23	university	university	PROPN
fumecheng-7021	19	24	of	of	ADP
fumecheng-7021	19	25	technology	technology	PROPN
fumecheng-7021	19	26	,	,	PUNCT
fumecheng-7021	19	27	sekr	sekr	PROPN
fumecheng-7021	19	28	.	.	PUNCT
fumecheng-7021	20	1	c8	c8	PROPN
fumecheng-7021	20	2	-	-	PUNCT
fumecheng-7021	20	3	4	4	PROPN
fumecheng-7021	20	4	,	,	PUNCT
fumecheng-7021	20	5	straße	straße	NOUN
fumecheng-7021	20	6	des	des	PROPN
fumecheng-7021	20	7	17	17	NUM
fumecheng-7021	20	8	.	.	PUNCT
fumecheng-7021	21	1	juni	juni	PROPN
fumecheng-7021	21	2	135	135	NUM
fumecheng-7021	21	3	,	,	PUNCT
fumecheng-7021	21	4	d-10623	d-10623	PROPN
fumecheng-7021	21	5	berlin	berlin	PROPN
fumecheng-7021	21	6	e	e	NOUN
fumecheng-7021	21	7	-	-	NOUN
fumecheng-7021	21	8	mail	mail	NOUN
fumecheng-7021	21	9	:	:	PUNCT
fumecheng-7021	21	10	qiang.li@tu-berlin.de	qiang.li@tu-berlin.de	NUM
fumecheng-7021	21	11	538	538	NUM
fumecheng-7021	21	12	q.	q.	PROPN
fumecheng-7021	21	13	li	li	PROPN
fumecheng-7021	21	14	been	be	AUX
fumecheng-7021	21	15	only	only	ADV
fumecheng-7021	21	16	few	few	ADJ
fumecheng-7021	21	17	analytical	analytical	ADJ
fumecheng-7021	21	18	and	and	CCONJ
fumecheng-7021	21	19	numerical	numerical	ADJ
fumecheng-7021	21	20	studies	study	NOUN
fumecheng-7021	21	21	of	of	ADP
fumecheng-7021	21	22	the	the	DET
fumecheng-7021	21	23	third	third	ADJ
fumecheng-7021	21	24	body	body	NOUN
fumecheng-7021	21	25	processes	process	NOUN
fumecheng-7021	21	26	due	due	ADJ
fumecheng-7021	21	27	to	to	ADP
fumecheng-7021	21	28	complicated	complicated	ADJ
fumecheng-7021	21	29	interactions	interaction	NOUN
fumecheng-7021	21	30	among	among	ADP
fumecheng-7021	21	31	the	the	DET
fumecheng-7021	21	32	moving	move	VERB
fumecheng-7021	21	33	surfaces	surface	NOUN
fumecheng-7021	21	34	and	and	CCONJ
fumecheng-7021	21	35	the	the	DET
fumecheng-7021	21	36	intermedia	intermedia	PROPN
fumecheng-7021	21	37	.	.	PUNCT
fumecheng-7021	22	1	the	the	DET
fumecheng-7021	22	2	molecular	molecular	ADJ
fumecheng-7021	22	3	dynamic	dynamic	ADJ
fumecheng-7021	22	4	(	(	PUNCT
fumecheng-7021	22	5	md	md	PROPN
fumecheng-7021	22	6	)	)	PUNCT
fumecheng-7021	22	7	simulation	simulation	NOUN
fumecheng-7021	22	8	is	be	AUX
fumecheng-7021	22	9	usually	usually	ADV
fumecheng-7021	22	10	used	use	VERB
fumecheng-7021	22	11	for	for	ADP
fumecheng-7021	22	12	simulating	simulate	VERB
fumecheng-7021	22	13	interaction	interaction	NOUN
fumecheng-7021	22	14	of	of	ADP
fumecheng-7021	22	15	atom	atom	NOUN
fumecheng-7021	22	16	layers	layer	NOUN
fumecheng-7021	22	17	and	and	CCONJ
fumecheng-7021	22	18	particles	particle	NOUN
fumecheng-7021	22	19	in	in	ADP
fumecheng-7021	22	20	a	a	DET
fumecheng-7021	22	21	micro	micro	ADJ
fumecheng-7021	22	22	scale	scale	NOUN
fumecheng-7021	22	23	[	[	X
fumecheng-7021	22	24	5	5	NUM
fumecheng-7021	22	25	,	,	PUNCT
fumecheng-7021	22	26	6	6	NUM
fumecheng-7021	22	27	]	]	PUNCT
fumecheng-7021	22	28	.	.	PUNCT
fumecheng-7021	23	1	recently	recently	ADV
fumecheng-7021	23	2	the	the	DET
fumecheng-7021	23	3	monte	monte	PROPN
fumecheng-7021	23	4	carlo	carlo	PROPN
fumecheng-7021	23	5	method	method	NOUN
fumecheng-7021	23	6	has	have	AUX
fumecheng-7021	23	7	been	be	AUX
fumecheng-7021	23	8	used	use	VERB
fumecheng-7021	23	9	to	to	PART
fumecheng-7021	23	10	predict	predict	VERB
fumecheng-7021	23	11	the	the	DET
fumecheng-7021	23	12	three	three	NUM
fumecheng-7021	23	13	-	-	PUNCT
fumecheng-7021	23	14	body	body	NOUN
fumecheng-7021	23	15	abrasive	abrasive	NOUN
fumecheng-7021	23	16	wear	wear	NOUN
fumecheng-7021	23	17	rate	rate	NOUN
fumecheng-7021	24	1	[	[	X
fumecheng-7021	24	2	7	7	NUM
fumecheng-7021	24	3	]	]	PUNCT
fumecheng-7021	24	4	,	,	PUNCT
fumecheng-7021	24	5	cellular	cellular	ADJ
fumecheng-7021	24	6	automata	automata	NOUN
fumecheng-7021	24	7	for	for	ADP
fumecheng-7021	24	8	evaluation	evaluation	NOUN
fumecheng-7021	24	9	of	of	ADP
fumecheng-7021	24	10	wear	wear	VERB
fumecheng-7021	24	11	particle	particle	NOUN
fumecheng-7021	24	12	flow	flow	NOUN
fumecheng-7021	24	13	and	and	CCONJ
fumecheng-7021	24	14	load	load	NOUN
fumecheng-7021	24	15	and	and	CCONJ
fumecheng-7021	24	16	temperature	temperature	NOUN
fumecheng-7021	24	17	distribution	distribution	NOUN
fumecheng-7021	24	18	[	[	X
fumecheng-7021	24	19	8	8	NUM
fumecheng-7021	24	20	]	]	PUNCT
fumecheng-7021	24	21	.	.	PUNCT
fumecheng-7021	25	1	due	due	ADP
fumecheng-7021	25	2	to	to	ADP
fumecheng-7021	25	3	the	the	DET
fumecheng-7021	25	4	complicated	complicated	ADJ
fumecheng-7021	25	5	third	third	ADJ
fumecheng-7021	25	6	-	-	PUNCT
fumecheng-7021	25	7	body	body	NOUN
fumecheng-7021	25	8	processes	process	NOUN
fumecheng-7021	25	9	sometimes	sometimes	ADV
fumecheng-7021	25	10	only	only	ADV
fumecheng-7021	25	11	one	one	NUM
fumecheng-7021	25	12	aspect	aspect	NOUN
fumecheng-7021	25	13	for	for	ADP
fumecheng-7021	25	14	obtaining	obtain	VERB
fumecheng-7021	25	15	a	a	DET
fumecheng-7021	25	16	basic	basic	ADJ
fumecheng-7021	25	17	understanding	understanding	NOUN
fumecheng-7021	25	18	of	of	ADP
fumecheng-7021	25	19	its	its	PRON
fumecheng-7021	25	20	role	role	NOUN
fumecheng-7021	25	21	is	be	AUX
fumecheng-7021	25	22	considered	consider	VERB
fumecheng-7021	25	23	,	,	PUNCT
fumecheng-7021	25	24	for	for	ADP
fumecheng-7021	25	25	example	example	NOUN
fumecheng-7021	25	26	only	only	ADV
fumecheng-7021	25	27	adhesion	adhesion	NOUN
fumecheng-7021	25	28	or	or	CCONJ
fumecheng-7021	25	29	friction	friction	NOUN
fumecheng-7021	25	30	without	without	ADP
fumecheng-7021	25	31	wear	wear	NOUN
fumecheng-7021	25	32	and	and	CCONJ
fumecheng-7021	25	33	lubrication	lubrication	NOUN
fumecheng-7021	25	34	[	[	X
fumecheng-7021	25	35	9	9	NUM
fumecheng-7021	25	36	,	,	PUNCT
fumecheng-7021	25	37	10	10	NUM
fumecheng-7021	25	38	]	]	PUNCT
fumecheng-7021	25	39	.	.	PUNCT
fumecheng-7021	26	1	in	in	ADP
fumecheng-7021	26	2	this	this	DET
fumecheng-7021	26	3	study	study	NOUN
fumecheng-7021	26	4	,	,	PUNCT
fumecheng-7021	26	5	we	we	PRON
fumecheng-7021	26	6	focus	focus	VERB
fumecheng-7021	26	7	on	on	ADP
fumecheng-7021	26	8	frictional	frictional	ADJ
fumecheng-7021	26	9	contact	contact	NOUN
fumecheng-7021	26	10	of	of	ADP
fumecheng-7021	26	11	deformable	deformable	ADJ
fumecheng-7021	26	12	particles	particle	NOUN
fumecheng-7021	26	13	between	between	ADP
fumecheng-7021	26	14	the	the	DET
fumecheng-7021	26	15	rigid	rigid	ADJ
fumecheng-7021	26	16	plates	plate	NOUN
fumecheng-7021	26	17	which	which	PRON
fumecheng-7021	26	18	is	be	AUX
fumecheng-7021	26	19	numerically	numerically	ADV
fumecheng-7021	26	20	simulated	simulate	VERB
fumecheng-7021	26	21	by	by	ADP
fumecheng-7021	26	22	using	use	VERB
fumecheng-7021	26	23	the	the	DET
fumecheng-7021	26	24	boundary	boundary	ADJ
fumecheng-7021	26	25	element	element	NOUN
fumecheng-7021	26	26	method	method	NOUN
fumecheng-7021	26	27	(	(	PUNCT
fumecheng-7021	26	28	bem	bem	PROPN
fumecheng-7021	26	29	)	)	PUNCT
fumecheng-7021	26	30	.	.	PUNCT
fumecheng-7021	27	1	bem	bem	PROPN
fumecheng-7021	27	2	is	be	AUX
fumecheng-7021	27	3	an	an	DET
fumecheng-7021	27	4	effective	effective	ADJ
fumecheng-7021	27	5	numerical	numerical	ADJ
fumecheng-7021	27	6	simulation	simulation	NOUN
fumecheng-7021	27	7	method	method	NOUN
fumecheng-7021	27	8	for	for	ADP
fumecheng-7021	27	9	solving	solve	VERB
fumecheng-7021	27	10	contact	contact	NOUN
fumecheng-7021	27	11	problems	problem	NOUN
fumecheng-7021	27	12	,	,	PUNCT
fumecheng-7021	27	13	especially	especially	ADV
fumecheng-7021	27	14	assisted	assist	VERB
fumecheng-7021	27	15	by	by	ADP
fumecheng-7021	27	16	the	the	DET
fumecheng-7021	27	17	fast	fast	ADJ
fumecheng-7021	27	18	fourier	fourier	NOUN
fumecheng-7021	27	19	transform	transform	NOUN
fumecheng-7021	27	20	[	[	X
fumecheng-7021	27	21	11	11	NUM
fumecheng-7021	27	22	]	]	PUNCT
fumecheng-7021	27	23	.	.	PUNCT
fumecheng-7021	28	1	it	it	PRON
fumecheng-7021	28	2	has	have	AUX
fumecheng-7021	28	3	been	be	AUX
fumecheng-7021	28	4	applied	apply	VERB
fumecheng-7021	28	5	to	to	ADP
fumecheng-7021	28	6	various	various	ADJ
fumecheng-7021	28	7	tribological	tribological	ADJ
fumecheng-7021	28	8	problems	problem	NOUN
fumecheng-7021	28	9	in	in	ADP
fumecheng-7021	28	10	the	the	DET
fumecheng-7021	28	11	last	last	ADJ
fumecheng-7021	28	12	twenty	twenty	NUM
fumecheng-7021	28	13	years	year	NOUN
fumecheng-7021	28	14	,	,	PUNCT
fumecheng-7021	28	15	including	include	VERB
fumecheng-7021	28	16	indentation	indentation	NOUN
fumecheng-7021	28	17	test	test	NOUN
fumecheng-7021	28	18	,	,	PUNCT
fumecheng-7021	28	19	partial	partial	ADJ
fumecheng-7021	28	20	sliding	slide	VERB
fumecheng-7021	28	21	and	and	CCONJ
fumecheng-7021	28	22	adhesive	adhesive	ADJ
fumecheng-7021	28	23	contact	contact	NOUN
fumecheng-7021	28	24	,	,	PUNCT
fumecheng-7021	28	25	etc	etc	X
fumecheng-7021	28	26	.	.	X
fumecheng-7021	29	1	[	[	X
fumecheng-7021	29	2	12	12	NUM
fumecheng-7021	29	3	-	-	SYM
fumecheng-7021	29	4	14	14	NUM
fumecheng-7021	29	5	]	]	PUNCT
fumecheng-7021	29	6	.	.	PUNCT
fumecheng-7021	30	1	recently	recently	ADV
fumecheng-7021	30	2	it	it	PRON
fumecheng-7021	30	3	has	have	AUX
fumecheng-7021	30	4	been	be	AUX
fumecheng-7021	30	5	further	far	ADV
fumecheng-7021	30	6	developed	develop	VERB
fumecheng-7021	30	7	to	to	ADP
fumecheng-7021	30	8	layered	layered	ADJ
fumecheng-7021	30	9	system	system	NOUN
fumecheng-7021	30	10	[	[	X
fumecheng-7021	30	11	15	15	NUM
fumecheng-7021	30	12	]	]	PUNCT
fumecheng-7021	30	13	,	,	PUNCT
fumecheng-7021	30	14	power	power	NOUN
fumecheng-7021	30	15	-	-	PUNCT
fumecheng-7021	30	16	law	law	NOUN
fumecheng-7021	30	17	graded	grade	VERB
fumecheng-7021	30	18	materials	material	NOUN
fumecheng-7021	30	19	[	[	X
fumecheng-7021	30	20	16	16	NUM
fumecheng-7021	30	21	]	]	PUNCT
fumecheng-7021	30	22	and	and	CCONJ
fumecheng-7021	30	23	arbitrary	arbitrary	ADJ
fumecheng-7021	30	24	two	two	NUM
fumecheng-7021	30	25	-	-	PUNCT
fumecheng-7021	30	26	dimensional	dimensional	ADJ
fumecheng-7021	30	27	shapes	shape	NOUN
fumecheng-7021	30	28	[	[	X
fumecheng-7021	30	29	17	17	NUM
fumecheng-7021	30	30	]	]	PUNCT
fumecheng-7021	30	31	.	.	PUNCT
fumecheng-7021	31	1	however	however	ADV
fumecheng-7021	31	2	,	,	PUNCT
fumecheng-7021	31	3	it	it	PRON
fumecheng-7021	31	4	has	have	AUX
fumecheng-7021	31	5	been	be	AUX
fumecheng-7021	31	6	rarely	rarely	ADV
fumecheng-7021	31	7	used	use	VERB
fumecheng-7021	31	8	for	for	ADP
fumecheng-7021	31	9	contact	contact	NOUN
fumecheng-7021	31	10	of	of	ADP
fumecheng-7021	31	11	third	third	ADJ
fumecheng-7021	31	12	-	-	PUNCT
fumecheng-7021	31	13	body	body	NOUN
fumecheng-7021	31	14	particles	particle	NOUN
fumecheng-7021	31	15	.	.	PUNCT
fumecheng-7021	32	1	in	in	ADP
fumecheng-7021	32	2	this	this	DET
fumecheng-7021	32	3	work	work	NOUN
fumecheng-7021	32	4	we	we	PRON
fumecheng-7021	32	5	consider	consider	VERB
fumecheng-7021	32	6	a	a	DET
fumecheng-7021	32	7	single	single	ADJ
fumecheng-7021	32	8	soft	soft	ADJ
fumecheng-7021	32	9	particle	particle	NOUN
fumecheng-7021	32	10	compressed	compress	VERB
fumecheng-7021	32	11	by	by	ADP
fumecheng-7021	32	12	two	two	NUM
fumecheng-7021	32	13	parallel	parallel	ADJ
fumecheng-7021	32	14	plates	plate	NOUN
fumecheng-7021	32	15	.	.	PUNCT
fumecheng-7021	33	1	under	under	ADP
fumecheng-7021	33	2	the	the	DET
fumecheng-7021	33	3	loading	loading	NOUN
fumecheng-7021	33	4	the	the	DET
fumecheng-7021	33	5	particle	particle	NOUN
fumecheng-7021	33	6	could	could	AUX
fumecheng-7021	33	7	roll	roll	VERB
fumecheng-7021	33	8	,	,	PUNCT
fumecheng-7021	33	9	rotate	rotate	VERB
fumecheng-7021	33	10	or	or	CCONJ
fumecheng-7021	33	11	keep	keep	VERB
fumecheng-7021	33	12	unmoved	unmoved	ADJ
fumecheng-7021	33	13	(	(	PUNCT
fumecheng-7021	33	14	sticking	stick	VERB
fumecheng-7021	33	15	)	)	PUNCT
fumecheng-7021	33	16	.	.	PUNCT
fumecheng-7021	34	1	the	the	DET
fumecheng-7021	34	2	normal	normal	ADJ
fumecheng-7021	34	3	and	and	CCONJ
fumecheng-7021	34	4	tangential	tangential	ADJ
fumecheng-7021	34	5	stress	stress	NOUN
fumecheng-7021	34	6	distribution	distribution	NOUN
fumecheng-7021	34	7	as	as	ADV
fumecheng-7021	34	8	well	well	ADV
fumecheng-7021	34	9	as	as	ADP
fumecheng-7021	34	10	its	its	PRON
fumecheng-7021	34	11	moment	moment	NOUN
fumecheng-7021	34	12	will	will	AUX
fumecheng-7021	34	13	be	be	AUX
fumecheng-7021	34	14	calculated	calculate	VERB
fumecheng-7021	34	15	for	for	ADP
fumecheng-7021	34	16	determination	determination	NOUN
fumecheng-7021	34	17	of	of	ADP
fumecheng-7021	34	18	particle	particle	NOUN
fumecheng-7021	34	19	state	state	NOUN
fumecheng-7021	34	20	.	.	PUNCT
fumecheng-7021	35	1	2	2	X
fumecheng-7021	35	2	.	.	X
fumecheng-7021	35	3	methods	method	NOUN
fumecheng-7021	35	4	we	we	PRON
fumecheng-7021	35	5	consider	consider	VERB
fumecheng-7021	35	6	a	a	DET
fumecheng-7021	35	7	single	single	ADJ
fumecheng-7021	35	8	particle	particle	NOUN
fumecheng-7021	35	9	trapped	trap	VERB
fumecheng-7021	35	10	between	between	ADP
fumecheng-7021	35	11	two	two	NUM
fumecheng-7021	35	12	plates	plate	NOUN
fumecheng-7021	35	13	,	,	PUNCT
fumecheng-7021	35	14	as	as	SCONJ
fumecheng-7021	35	15	shown	show	VERB
fumecheng-7021	35	16	in	in	ADP
fumecheng-7021	35	17	fig	fig	NOUN
fumecheng-7021	35	18	.	.	PUNCT
fumecheng-7021	36	1	1	1	X
fumecheng-7021	36	2	.	.	X
fumecheng-7021	36	3	the	the	DET
fumecheng-7021	36	4	following	follow	VERB
fumecheng-7021	36	5	assumptions	assumption	NOUN
fumecheng-7021	36	6	are	be	AUX
fumecheng-7021	36	7	made	make	VERB
fumecheng-7021	36	8	in	in	ADP
fumecheng-7021	36	9	the	the	DET
fumecheng-7021	36	10	study	study	NOUN
fumecheng-7021	36	11	:	:	PUNCT
fumecheng-7021	36	12	(	(	PUNCT
fumecheng-7021	36	13	1	1	X
fumecheng-7021	36	14	)	)	PUNCT
fumecheng-7021	36	15	deformation	deformation	NOUN
fumecheng-7021	36	16	of	of	ADP
fumecheng-7021	36	17	a	a	DET
fumecheng-7021	36	18	particle	particle	NOUN
fumecheng-7021	36	19	is	be	AUX
fumecheng-7021	36	20	elastic	elastic	ADJ
fumecheng-7021	36	21	;	;	PUNCT
fumecheng-7021	36	22	(	(	PUNCT
fumecheng-7021	36	23	2	2	X
fumecheng-7021	36	24	)	)	PUNCT
fumecheng-7021	36	25	particle	particle	NOUN
fumecheng-7021	36	26	is	be	AUX
fumecheng-7021	36	27	massless	massless	NOUN
fumecheng-7021	36	28	(	(	PUNCT
fumecheng-7021	36	29	meaning	mean	VERB
fumecheng-7021	36	30	that	that	SCONJ
fumecheng-7021	36	31	we	we	PRON
fumecheng-7021	36	32	consider	consider	VERB
fumecheng-7021	36	33	the	the	DET
fumecheng-7021	36	34	quasistatic	quasistatic	ADJ
fumecheng-7021	36	35	processes	process	NOUN
fumecheng-7021	36	36	)	)	PUNCT
fumecheng-7021	36	37	.	.	PUNCT
fumecheng-7021	37	1	it	it	PRON
fumecheng-7021	37	2	is	be	AUX
fumecheng-7021	37	3	further	far	ADV
fumecheng-7021	37	4	assumed	assume	VERB
fumecheng-7021	37	5	that	that	SCONJ
fumecheng-7021	37	6	due	due	ADP
fumecheng-7021	37	7	to	to	ADP
fumecheng-7021	37	8	chemical	chemical	ADJ
fumecheng-7021	37	9	reaction	reaction	NOUN
fumecheng-7021	37	10	or	or	CCONJ
fumecheng-7021	37	11	mechanical	mechanical	ADJ
fumecheng-7021	37	12	reasons	reason	NOUN
fumecheng-7021	37	13	it	it	PRON
fumecheng-7021	37	14	stays	stay	VERB
fumecheng-7021	37	15	initially	initially	ADV
fumecheng-7021	37	16	in	in	ADP
fumecheng-7021	37	17	a	a	DET
fumecheng-7021	37	18	given	give	VERB
fumecheng-7021	37	19	state	state	NOUN
fumecheng-7021	37	20	as	as	SCONJ
fumecheng-7021	37	21	shown	show	VERB
fumecheng-7021	37	22	in	in	ADP
fumecheng-7021	37	23	fig.1	fig.1	PROPN
fumecheng-7021	37	24	;	;	PUNCT
fumecheng-7021	37	25	then	then	ADV
fumecheng-7021	37	26	the	the	DET
fumecheng-7021	37	27	plates	plate	NOUN
fumecheng-7021	37	28	are	be	AUX
fumecheng-7021	37	29	pressed	press	VERB
fumecheng-7021	37	30	under	under	ADP
fumecheng-7021	37	31	the	the	DET
fumecheng-7021	37	32	external	external	ADJ
fumecheng-7021	37	33	loading	loading	NOUN
fumecheng-7021	37	34	.	.	PUNCT
fumecheng-7021	38	1	we	we	PRON
fumecheng-7021	38	2	assume	assume	VERB
fumecheng-7021	38	3	that	that	SCONJ
fumecheng-7021	38	4	the	the	DET
fumecheng-7021	38	5	coulomb	coulomb	NOUN
fumecheng-7021	38	6	’s	’s	PART
fumecheng-7021	38	7	law	law	NOUN
fumecheng-7021	38	8	of	of	ADP
fumecheng-7021	38	9	friction	friction	NOUN
fumecheng-7021	38	10	is	be	AUX
fumecheng-7021	38	11	valid	valid	ADJ
fumecheng-7021	38	12	in	in	ADP
fumecheng-7021	38	13	contact	contact	NOUN
fumecheng-7021	38	14	with	with	ADP
fumecheng-7021	38	15	coefficients	coefficient	NOUN
fumecheng-7021	38	16	of	of	ADP
fumecheng-7021	38	17	friction	friction	NOUN
fumecheng-7021	38	18	1	1	PROPN
fumecheng-7021	38	19	and	and	CCONJ
fumecheng-7021	38	20	2	2	VERB
fumecheng-7021	38	21	at	at	ADP
fumecheng-7021	38	22	the	the	DET
fumecheng-7021	38	23	upper	upper	ADJ
fumecheng-7021	38	24	and	and	CCONJ
fumecheng-7021	38	25	lower	low	ADJ
fumecheng-7021	38	26	interfaces	interface	NOUN
fumecheng-7021	38	27	,	,	PUNCT
fumecheng-7021	38	28	respectively	respectively	ADV
fumecheng-7021	38	29	.	.	PUNCT
fumecheng-7021	39	1	a	a	DET
fumecheng-7021	39	2	)	)	PUNCT
fumecheng-7021	39	3	b	b	NOUN
fumecheng-7021	39	4	)	)	PUNCT
fumecheng-7021	39	5	fig	fig	NOUN
fumecheng-7021	39	6	.	.	PUNCT
fumecheng-7021	40	1	1	1	NUM
fumecheng-7021	40	2	a	a	DET
fumecheng-7021	40	3	single	single	ADJ
fumecheng-7021	40	4	particle	particle	NOUN
fumecheng-7021	40	5	trapped	trap	VERB
fumecheng-7021	40	6	between	between	ADP
fumecheng-7021	40	7	two	two	NUM
fumecheng-7021	40	8	plates	plate	NOUN
fumecheng-7021	40	9	.	.	PUNCT
fumecheng-7021	41	1	(	(	PUNCT
fumecheng-7021	41	2	a	a	X
fumecheng-7021	41	3	)	)	PUNCT
fumecheng-7021	41	4	particle	particle	NOUN
fumecheng-7021	41	5	is	be	AUX
fumecheng-7021	41	6	rigid	rigid	ADJ
fumecheng-7021	41	7	and	and	CCONJ
fumecheng-7021	41	8	concentrated	concentrated	ADJ
fumecheng-7021	41	9	normal	normal	ADJ
fumecheng-7021	41	10	and	and	CCONJ
fumecheng-7021	41	11	tangential	tangential	ADJ
fumecheng-7021	41	12	forces	force	NOUN
fumecheng-7021	41	13	fn	fn	VERB
fumecheng-7021	41	14	,	,	PUNCT
fumecheng-7021	41	15	ft	ft	PROPN
fumecheng-7021	41	16	act	act	NOUN
fumecheng-7021	41	17	on	on	ADP
fumecheng-7021	41	18	contact	contact	NOUN
fumecheng-7021	41	19	points	point	NOUN
fumecheng-7021	41	20	a	a	PRON
fumecheng-7021	41	21	and	and	CCONJ
fumecheng-7021	41	22	b	b	NOUN
fumecheng-7021	41	23	;	;	PUNCT
fumecheng-7021	41	24	(	(	PUNCT
fumecheng-7021	41	25	b	b	X
fumecheng-7021	41	26	)	)	PUNCT
fumecheng-7021	41	27	particle	particle	NOUN
fumecheng-7021	41	28	is	be	AUX
fumecheng-7021	41	29	deformable	deformable	ADJ
fumecheng-7021	41	30	and	and	CCONJ
fumecheng-7021	41	31	loads	load	NOUN
fumecheng-7021	41	32	are	be	AUX
fumecheng-7021	41	33	distributed	distribute	VERB
fumecheng-7021	41	34	stresses	stress	NOUN
fumecheng-7021	41	35	p	p	NOUN
fumecheng-7021	41	36	and	and	CCONJ
fumecheng-7021	41	37	τ	τ	PROPN
fumecheng-7021	41	38	on	on	ADP
fumecheng-7021	41	39	areas	area	NOUN
fumecheng-7021	41	40	simulation	simulation	NOUN
fumecheng-7021	41	41	of	of	ADP
fumecheng-7021	41	42	a	a	DET
fumecheng-7021	41	43	single	single	ADJ
fumecheng-7021	41	44	third	third	ADJ
fumecheng-7021	41	45	-	-	PUNCT
fumecheng-7021	41	46	body	body	NOUN
fumecheng-7021	41	47	particle	particle	NOUN
fumecheng-7021	41	48	in	in	ADP
fumecheng-7021	41	49	frictional	frictional	ADJ
fumecheng-7021	41	50	contact	contact	NOUN
fumecheng-7021	41	51	539	539	NUM
fumecheng-7021	41	52	under	under	ADP
fumecheng-7021	41	53	the	the	DET
fumecheng-7021	41	54	loading	loading	NOUN
fumecheng-7021	41	55	,	,	PUNCT
fumecheng-7021	41	56	the	the	DET
fumecheng-7021	41	57	particle	particle	NOUN
fumecheng-7021	41	58	may	may	AUX
fumecheng-7021	41	59	roll	roll	VERB
fumecheng-7021	41	60	,	,	PUNCT
fumecheng-7021	41	61	rotate	rotate	VERB
fumecheng-7021	41	62	,	,	PUNCT
fumecheng-7021	41	63	or	or	CCONJ
fumecheng-7021	41	64	keep	keep	VERB
fumecheng-7021	41	65	its	its	PRON
fumecheng-7021	41	66	initial	initial	ADJ
fumecheng-7021	41	67	state	state	NOUN
fumecheng-7021	41	68	.	.	PUNCT
fumecheng-7021	42	1	if	if	SCONJ
fumecheng-7021	42	2	the	the	DET
fumecheng-7021	42	3	particle	particle	NOUN
fumecheng-7021	42	4	is	be	AUX
fumecheng-7021	42	5	rigid	rigid	ADJ
fumecheng-7021	42	6	,	,	PUNCT
fumecheng-7021	42	7	then	then	ADV
fumecheng-7021	42	8	the	the	DET
fumecheng-7021	42	9	state	state	NOUN
fumecheng-7021	42	10	depends	depend	VERB
fumecheng-7021	42	11	only	only	ADV
fumecheng-7021	42	12	on	on	ADP
fumecheng-7021	42	13	the	the	DET
fumecheng-7021	42	14	coefficient	coefficient	NOUN
fumecheng-7021	42	15	of	of	ADP
fumecheng-7021	42	16	friction	friction	NOUN
fumecheng-7021	42	17	and	and	CCONJ
fumecheng-7021	42	18	the	the	DET
fumecheng-7021	42	19	geometry	geometry	NOUN
fumecheng-7021	42	20	of	of	ADP
fumecheng-7021	42	21	the	the	DET
fumecheng-7021	42	22	particle	particle	NOUN
fumecheng-7021	42	23	,	,	PUNCT
fumecheng-7021	42	24	not	not	PART
fumecheng-7021	42	25	on	on	ADP
fumecheng-7021	42	26	the	the	DET
fumecheng-7021	42	27	loading	loading	NOUN
fumecheng-7021	42	28	process	process	NOUN
fumecheng-7021	42	29	.	.	PUNCT
fumecheng-7021	43	1	2.1	2.1	NUM
fumecheng-7021	43	2	.	.	PUNCT
fumecheng-7021	43	3	rigid	rigid	ADJ
fumecheng-7021	43	4	particle	particle	NOUN
fumecheng-7021	43	5	let	let	VERB
fumecheng-7021	43	6	us	we	PRON
fumecheng-7021	43	7	consider	consider	VERB
fumecheng-7021	43	8	a	a	DET
fumecheng-7021	43	9	two	two	NUM
fumecheng-7021	43	10	-	-	PUNCT
fumecheng-7021	43	11	dimensional	dimensional	ADJ
fumecheng-7021	43	12	case	case	NOUN
fumecheng-7021	43	13	as	as	SCONJ
fumecheng-7021	43	14	shown	show	VERB
fumecheng-7021	43	15	in	in	ADP
fumecheng-7021	43	16	fig	fig	NOUN
fumecheng-7021	43	17	.	.	PUNCT
fumecheng-7021	44	1	1a	1a	NOUN
fumecheng-7021	44	2	,	,	PUNCT
fumecheng-7021	44	3	or	or	CCONJ
fumecheng-7021	44	4	three	three	NUM
fumecheng-7021	44	5	-	-	PUNCT
fumecheng-7021	44	6	dimensional	dimensional	ADJ
fumecheng-7021	44	7	but	but	CCONJ
fumecheng-7021	44	8	the	the	DET
fumecheng-7021	44	9	geometry	geometry	NOUN
fumecheng-7021	44	10	of	of	ADP
fumecheng-7021	44	11	the	the	DET
fumecheng-7021	44	12	particle	particle	NOUN
fumecheng-7021	44	13	is	be	AUX
fumecheng-7021	44	14	symmetric	symmetric	ADJ
fumecheng-7021	44	15	with	with	ADP
fumecheng-7021	44	16	respect	respect	NOUN
fumecheng-7021	44	17	to	to	ADP
fumecheng-7021	44	18	the	the	DET
fumecheng-7021	44	19	xz	xz	NOUN
fumecheng-7021	44	20	-	-	PUNCT
fumecheng-7021	44	21	plane	plane	NOUN
fumecheng-7021	44	22	,	,	PUNCT
fumecheng-7021	44	23	so	so	SCONJ
fumecheng-7021	44	24	that	that	SCONJ
fumecheng-7021	44	25	only	only	ADV
fumecheng-7021	44	26	the	the	DET
fumecheng-7021	44	27	moment	moment	NOUN
fumecheng-7021	44	28	around	around	ADP
fumecheng-7021	44	29	y	y	NOUN
fumecheng-7021	44	30	-	-	PUNCT
fumecheng-7021	44	31	axis	axis	NOUN
fumecheng-7021	44	32	(	(	PUNCT
fumecheng-7021	44	33	perpendicular	perpendicular	ADJ
fumecheng-7021	44	34	to	to	ADP
fumecheng-7021	44	35	xz	xz	NOUN
fumecheng-7021	44	36	-	-	PUNCT
fumecheng-7021	44	37	plane	plane	NOUN
fumecheng-7021	44	38	)	)	PUNCT
fumecheng-7021	44	39	has	have	VERB
fumecheng-7021	44	40	to	to	PART
fumecheng-7021	44	41	be	be	AUX
fumecheng-7021	44	42	considered	consider	VERB
fumecheng-7021	44	43	.	.	PUNCT
fumecheng-7021	45	1	the	the	DET
fumecheng-7021	45	2	origin	origin	NOUN
fumecheng-7021	45	3	of	of	ADP
fumecheng-7021	45	4	the	the	DET
fumecheng-7021	45	5	coordinates	coordinate	NOUN
fumecheng-7021	45	6	is	be	AUX
fumecheng-7021	45	7	located	locate	VERB
fumecheng-7021	45	8	at	at	ADP
fumecheng-7021	45	9	the	the	DET
fumecheng-7021	45	10	centroid	centroid	NOUN
fumecheng-7021	45	11	of	of	ADP
fumecheng-7021	45	12	the	the	DET
fumecheng-7021	45	13	particle	particle	NOUN
fumecheng-7021	45	14	.	.	PUNCT
fumecheng-7021	46	1	the	the	DET
fumecheng-7021	46	2	normal	normal	ADJ
fumecheng-7021	46	3	and	and	CCONJ
fumecheng-7021	46	4	tangential	tangential	ADJ
fumecheng-7021	46	5	forces	force	NOUN
fumecheng-7021	46	6	acting	act	VERB
fumecheng-7021	46	7	on	on	ADP
fumecheng-7021	46	8	the	the	DET
fumecheng-7021	46	9	particle	particle	NOUN
fumecheng-7021	46	10	at	at	ADP
fumecheng-7021	46	11	upper	upper	ADJ
fumecheng-7021	46	12	contact	contact	NOUN
fumecheng-7021	46	13	point	point	NOUN
fumecheng-7021	46	14	a	a	PRON
fumecheng-7021	46	15	are	be	AUX
fumecheng-7021	46	16	defined	define	VERB
fumecheng-7021	46	17	as	as	ADP
fumecheng-7021	46	18	fn1	fn1	NOUN
fumecheng-7021	46	19	and	and	CCONJ
fumecheng-7021	46	20	ft1	ft1	NOUN
fumecheng-7021	46	21	,	,	PUNCT
fumecheng-7021	46	22	and	and	CCONJ
fumecheng-7021	46	23	forces	force	NOUN
fumecheng-7021	46	24	at	at	ADP
fumecheng-7021	46	25	lower	low	ADJ
fumecheng-7021	46	26	point	point	NOUN
fumecheng-7021	46	27	b	b	NOUN
fumecheng-7021	46	28	are	be	AUX
fumecheng-7021	46	29	fn2	fn2	ADJ
fumecheng-7021	46	30	and	and	CCONJ
fumecheng-7021	46	31	ft2	ft2	NOUN
fumecheng-7021	46	32	.	.	PUNCT
fumecheng-7021	47	1	simply	simply	ADV
fumecheng-7021	47	2	according	accord	VERB
fumecheng-7021	47	3	to	to	ADP
fumecheng-7021	47	4	the	the	DET
fumecheng-7021	47	5	equilibrium	equilibrium	NOUN
fumecheng-7021	47	6	condition	condition	NOUN
fumecheng-7021	47	7	for	for	ADP
fumecheng-7021	47	8	the	the	DET
fumecheng-7021	47	9	particle	particle	NOUN
fumecheng-7021	47	10	,	,	PUNCT
fumecheng-7021	47	11	we	we	PRON
fumecheng-7021	47	12	have	have	VERB
fumecheng-7021	47	13	n1	n1	ADJ
fumecheng-7021	47	14	n2	n2	NOUN
fumecheng-7021	47	15	t1	t1	NOUN
fumecheng-7021	48	1	t2,f	t2,f	PROPN
fumecheng-7021	48	2	f	f	X
fumecheng-7021	49	1	f	f	PROPN
fumecheng-7021	49	2	f=	f=	ADJ
fumecheng-7021	49	3	−	−	PROPN
fumecheng-7021	50	1	=	=	SYM
fumecheng-7021	50	2	−	−	PROPN
fumecheng-7021	50	3	,	,	PUNCT
fumecheng-7021	50	4	(	(	PUNCT
fumecheng-7021	50	5	1	1	X
fumecheng-7021	50	6	)	)	PUNCT
fumecheng-7021	50	7	and	and	CCONJ
fumecheng-7021	50	8	total	total	ADJ
fumecheng-7021	50	9	moment	moment	NOUN
fumecheng-7021	50	10	of	of	ADP
fumecheng-7021	50	11	these	these	DET
fumecheng-7021	50	12	forces	force	NOUN
fumecheng-7021	50	13	around	around	ADP
fumecheng-7021	50	14	the	the	DET
fumecheng-7021	50	15	origin	origin	NOUN
fumecheng-7021	50	16	should	should	AUX
fumecheng-7021	50	17	be	be	AUX
fumecheng-7021	50	18	zero	zero	NUM
fumecheng-7021	50	19	if	if	SCONJ
fumecheng-7021	50	20	the	the	DET
fumecheng-7021	50	21	particle	particle	NOUN
fumecheng-7021	50	22	is	be	AUX
fumecheng-7021	50	23	unmoved	unmoved	ADJ
fumecheng-7021	50	24	n1	n1	ADJ
fumecheng-7021	50	25	1	1	NUM
fumecheng-7021	50	26	n2	n2	NOUN
fumecheng-7021	50	27	2	2	NUM
fumecheng-7021	50	28	t1	t1	NOUN
fumecheng-7021	50	29	1	1	NUM
fumecheng-7021	50	30	t2	t2	NOUN
fumecheng-7021	50	31	2	2	NUM
fumecheng-7021	50	32	0	0	NUM
fumecheng-7021	50	33	m	m	NOUN
fumecheng-7021	50	34	f	f	NOUN
fumecheng-7021	50	35	x	x	SYM
fumecheng-7021	50	36	f	f	X
fumecheng-7021	50	37	x	x	X
fumecheng-7021	51	1	f	f	PROPN
fumecheng-7021	51	2	z	z	NOUN
fumecheng-7021	51	3	f	f	NOUN
fumecheng-7021	51	4	z=	z=	PROPN
fumecheng-7021	52	1	+	+	PUNCT
fumecheng-7021	52	2	+	+	PUNCT
fumecheng-7021	52	3	+	+	CCONJ
fumecheng-7021	52	4	=	=	NOUN
fumecheng-7021	52	5			X
fumecheng-7021	52	6	,	,	PUNCT
fumecheng-7021	52	7	(	(	PUNCT
fumecheng-7021	52	8	2	2	X
fumecheng-7021	52	9	)	)	PUNCT
fumecheng-7021	52	10	which	which	PRON
fumecheng-7021	52	11	gives	give	VERB
fumecheng-7021	52	12	t1	t1	PROPN
fumecheng-7021	52	13	t2	t2	NOUN
fumecheng-7021	52	14	1	1	NUM
fumecheng-7021	52	15	2	2	NUM
fumecheng-7021	52	16	n1	n1	NOUN
fumecheng-7021	52	17	n2	n2	NOUN
fumecheng-7021	52	18	1	1	NUM
fumecheng-7021	52	19	2	2	NUM
fumecheng-7021	53	1	f	f	NOUN
fumecheng-7021	53	2	f	f	NOUN
fumecheng-7021	53	3	x	x	PUNCT
fumecheng-7021	54	1	x	x	X
fumecheng-7021	54	2	f	f	X
fumecheng-7021	54	3	f	f	PROPN
fumecheng-7021	54	4	z	z	NOUN
fumecheng-7021	54	5	z	z	NOUN
fumecheng-7021	54	6			NOUN
fumecheng-7021	54	7	−	−	NOUN
fumecheng-7021	55	1	=	=	SYM
fumecheng-7021	55	2	=	=	PUNCT
fumecheng-7021	55	3	=	=	PUNCT
fumecheng-7021	55	4	−	−	PROPN
fumecheng-7021	55	5	.	.	PUNCT
fumecheng-7021	56	1	(	(	PUNCT
fumecheng-7021	56	2	3	3	X
fumecheng-7021	56	3	)	)	PUNCT
fumecheng-7021	56	4	following	follow	VERB
fumecheng-7021	56	5	the	the	DET
fumecheng-7021	56	6	coulomb	coulomb	NOUN
fumecheng-7021	56	7	’s	’s	PART
fumecheng-7021	56	8	law	law	NOUN
fumecheng-7021	56	9	of	of	ADP
fumecheng-7021	56	10	friction	friction	NOUN
fumecheng-7021	56	11	,	,	PUNCT
fumecheng-7021	56	12	the	the	DET
fumecheng-7021	56	13	tangential	tangential	ADJ
fumecheng-7021	56	14	force	force	NOUN
fumecheng-7021	56	15	at	at	ADP
fumecheng-7021	56	16	the	the	DET
fumecheng-7021	56	17	sliding	slide	VERB
fumecheng-7021	56	18	state	state	NOUN
fumecheng-7021	56	19	is	be	AUX
fumecheng-7021	56	20	equal	equal	ADJ
fumecheng-7021	56	21	to	to	ADP
fumecheng-7021	56	22	normal	normal	ADJ
fumecheng-7021	56	23	force	force	NOUN
fumecheng-7021	56	24	multiplying	multiply	VERB
fumecheng-7021	56	25	the	the	DET
fumecheng-7021	56	26	coefficient	coefficient	NOUN
fumecheng-7021	56	27	of	of	ADP
fumecheng-7021	56	28	friction	friction	NOUN
fumecheng-7021	56	29	which	which	PRON
fumecheng-7021	56	30	is	be	AUX
fumecheng-7021	56	31	the	the	DET
fumecheng-7021	56	32	maximal	maximal	ADJ
fumecheng-7021	56	33	reachable	reachable	ADJ
fumecheng-7021	56	34	value	value	NOUN
fumecheng-7021	56	35	of	of	ADP
fumecheng-7021	56	36	tangential	tangential	ADJ
fumecheng-7021	56	37	force	force	NOUN
fumecheng-7021	56	38	.	.	PUNCT
fumecheng-7021	57	1	therefore	therefore	ADV
fumecheng-7021	57	2	,	,	PUNCT
fumecheng-7021	57	3	by	by	ADP
fumecheng-7021	57	4	comparing	compare	VERB
fumecheng-7021	57	5	the	the	DET
fumecheng-7021	57	6	local	local	ADJ
fumecheng-7021	57	7	coefficient	coefficient	NOUN
fumecheng-7021	57	8	of	of	ADP
fumecheng-7021	57	9	friction	friction	NOUN
fumecheng-7021	57	10	with	with	ADP
fumecheng-7021	57	11	the	the	DET
fumecheng-7021	57	12	ratio	ratio	NOUN
fumecheng-7021	57	13	in	in	ADP
fumecheng-7021	57	14	eq	eq	ADP
fumecheng-7021	57	15	.	.	PUNCT
fumecheng-7021	58	1	(	(	PUNCT
fumecheng-7021	58	2	3	3	NUM
fumecheng-7021	58	3	)	)	PUNCT
fumecheng-7021	58	4	,	,	PUNCT
fumecheng-7021	58	5	we	we	PRON
fumecheng-7021	58	6	can	can	AUX
fumecheng-7021	58	7	predict	predict	VERB
fumecheng-7021	58	8	the	the	DET
fumecheng-7021	58	9	state	state	NOUN
fumecheng-7021	58	10	of	of	ADP
fumecheng-7021	58	11	particle	particle	NOUN
fumecheng-7021	58	12	as	as	SCONJ
fumecheng-7021	58	13	follows	follow	VERB
fumecheng-7021	58	14	:	:	PUNCT
fumecheng-7021	58	15	1	1	NUM
fumecheng-7021	58	16	2	2	NUM
fumecheng-7021	58	17	1	1	NUM
fumecheng-7021	58	18	2	2	NUM
fumecheng-7021	58	19	1	1	NUM
fumecheng-7021	58	20	2	2	NUM
fumecheng-7021	58	21	1	1	NUM
fumecheng-7021	58	22	2	2	NUM
fumecheng-7021	58	23	,	,	PUNCT
fumecheng-7021	58	24	,	,	PUNCT
fumecheng-7021	58	25	sticking	stick	VERB
fumecheng-7021	58	26	and	and	CCONJ
fumecheng-7021	58	27	,	,	PUNCT
fumecheng-7021	58	28	rolling	rolling	ADJ
fumecheng-7021	58	29	sticking	sticking	NOUN
fumecheng-7021	58	30	,	,	PUNCT
fumecheng-7021	58	31	sliding	slide	VERB
fumecheng-7021	58	32	and	and	CCONJ
fumecheng-7021	58	33	,	,	PUNCT
fumecheng-7021	58	34	rolling	rolling	ADJ
fumecheng-7021	58	35	sticking	sticking	NOUN
fumecheng-7021	58	36	,	,	PUNCT
fumecheng-7021	58	37	sliding	slide	VERB
fumecheng-7021	58	38	,	,	PUNCT
fumecheng-7021	58	39	,	,	PUNCT
fumecheng-7021	58	40	rotation	rotation	NOUN
fumecheng-7021	58	41	around	around	ADP
fumecheng-7021	59	1	origin	origin	NOUN
fumecheng-7021	59	2			NOUN
fumecheng-7021	59	3			NOUN
fumecheng-7021	59	4			NOUN
fumecheng-7021	59	5			NOUN
fumecheng-7021	59	6			NOUN
fumecheng-7021	59	7			NOUN
fumecheng-7021	59	8			NOUN
fumecheng-7021	59	9			NOUN
fumecheng-7021	59	10			NOUN
fumecheng-7021	59	11			NOUN
fumecheng-7021	59	12			NOUN
fumecheng-7021	59	13			NOUN
fumecheng-7021	59	14			NOUN
fumecheng-7021	59	15			NOUN
fumecheng-7021	59	16			PUNCT
fumecheng-7021	59	17			NUM
fumecheng-7021	59	18			ADJ
fumecheng-7021	59	19			PROPN
fumecheng-7021	59	20			NUM
fumecheng-7021	59	21			PROPN
fumecheng-7021	59	22			ADP
fumecheng-7021	59	23			X
fumecheng-7021	59	24			DET
fumecheng-7021	59	25	a	a	DET
fumecheng-7021	59	26	b	b	PROPN
fumecheng-7021	59	27	b	b	PROPN
fumecheng-7021	59	28	a	a	DET
fumecheng-7021	59	29	o	o	NOUN
fumecheng-7021	59	30	.	.	PUNCT
fumecheng-7021	60	1	(	(	PUNCT
fumecheng-7021	60	2	4	4	X
fumecheng-7021	60	3	)	)	PUNCT
fumecheng-7021	60	4	in	in	ADP
fumecheng-7021	60	5	this	this	DET
fumecheng-7021	60	6	paper	paper	NOUN
fumecheng-7021	60	7	we	we	PRON
fumecheng-7021	60	8	define	define	VERB
fumecheng-7021	60	9	“	"	PUNCT
fumecheng-7021	60	10	rotation	rotation	NOUN
fumecheng-7021	60	11	”	"	PUNCT
fumecheng-7021	60	12	as	as	ADP
fumecheng-7021	60	13	the	the	DET
fumecheng-7021	60	14	rotation	rotation	NOUN
fumecheng-7021	60	15	of	of	ADP
fumecheng-7021	60	16	the	the	DET
fumecheng-7021	60	17	particle	particle	NOUN
fumecheng-7021	60	18	around	around	ADP
fumecheng-7021	60	19	its	its	PRON
fumecheng-7021	60	20	centroid	centroid	NOUN
fumecheng-7021	60	21	,	,	PUNCT
fumecheng-7021	60	22	and	and	CCONJ
fumecheng-7021	60	23	“	"	PUNCT
fumecheng-7021	60	24	rolling	rolling	NOUN
fumecheng-7021	60	25	”	"	PUNCT
fumecheng-7021	60	26	as	as	ADP
fumecheng-7021	60	27	the	the	DET
fumecheng-7021	60	28	rotation	rotation	NOUN
fumecheng-7021	60	29	around	around	ADP
fumecheng-7021	60	30	the	the	DET
fumecheng-7021	60	31	contact	contact	NOUN
fumecheng-7021	60	32	point	point	NOUN
fumecheng-7021	60	33	either	either	CCONJ
fumecheng-7021	60	34	in	in	ADP
fumecheng-7021	60	35	the	the	DET
fumecheng-7021	60	36	upper	upper	ADJ
fumecheng-7021	60	37	or	or	CCONJ
fumecheng-7021	60	38	lower	low	ADJ
fumecheng-7021	60	39	interface	interface	NOUN
fumecheng-7021	60	40	.	.	PUNCT
fumecheng-7021	61	1	if	if	SCONJ
fumecheng-7021	61	2	the	the	DET
fumecheng-7021	61	3	coefficients	coefficient	NOUN
fumecheng-7021	61	4	of	of	ADP
fumecheng-7021	61	5	friction	friction	NOUN
fumecheng-7021	61	6	are	be	AUX
fumecheng-7021	61	7	same	same	ADJ
fumecheng-7021	61	8	1=2	1=2	NOUN
fumecheng-7021	61	9	,	,	PUNCT
fumecheng-7021	61	10	the	the	DET
fumecheng-7021	61	11	particle	particle	NOUN
fumecheng-7021	61	12	will	will	AUX
fumecheng-7021	61	13	either	either	CCONJ
fumecheng-7021	61	14	rotate	rotate	VERB
fumecheng-7021	61	15	or	or	CCONJ
fumecheng-7021	61	16	keep	keep	VERB
fumecheng-7021	61	17	unmoved	unmoved	ADJ
fumecheng-7021	61	18	:	:	PUNCT
fumecheng-7021	61	19	,	,	PUNCT
fumecheng-7021	61	20	sticking	stick	VERB
fumecheng-7021	61	21	,	,	PUNCT
fumecheng-7021	61	22	rotation	rotation	NOUN
fumecheng-7021	61	23			NOUN
fumecheng-7021	61	24			NOUN
fumecheng-7021	61	25			NOUN
fumecheng-7021	61	26			NOUN
fumecheng-7021	61	27			ADP
fumecheng-7021	61	28			NUM
fumecheng-7021	61	29			PROPN
fumecheng-7021	61	30	.	.	PUNCT
fumecheng-7021	62	1	(	(	PUNCT
fumecheng-7021	62	2	5	5	NUM
fumecheng-7021	62	3	)	)	PUNCT
fumecheng-7021	62	4	from	from	ADP
fumecheng-7021	62	5	eqs	eqs	PROPN
fumecheng-7021	62	6	.	.	PUNCT
fumecheng-7021	63	1	(	(	PUNCT
fumecheng-7021	63	2	3	3	X
fumecheng-7021	63	3	)	)	PUNCT
fumecheng-7021	63	4	and	and	CCONJ
fumecheng-7021	63	5	(	(	PUNCT
fumecheng-7021	63	6	4	4	NUM
fumecheng-7021	63	7	)	)	PUNCT
fumecheng-7021	63	8	,	,	PUNCT
fumecheng-7021	63	9	it	it	PRON
fumecheng-7021	63	10	follows	follow	VERB
fumecheng-7021	63	11	that	that	SCONJ
fumecheng-7021	63	12	the	the	DET
fumecheng-7021	63	13	state	state	NOUN
fumecheng-7021	63	14	of	of	ADP
fumecheng-7021	63	15	particle	particle	NOUN
fumecheng-7021	63	16	under	under	ADP
fumecheng-7021	63	17	the	the	DET
fumecheng-7021	63	18	loading	loading	NOUN
fumecheng-7021	63	19	depends	depend	VERB
fumecheng-7021	63	20	only	only	ADV
fumecheng-7021	63	21	on	on	ADP
fumecheng-7021	63	22	the	the	DET
fumecheng-7021	63	23	coefficient	coefficient	NOUN
fumecheng-7021	63	24	of	of	ADP
fumecheng-7021	63	25	friction	friction	NOUN
fumecheng-7021	63	26	and	and	CCONJ
fumecheng-7021	63	27	the	the	DET
fumecheng-7021	63	28	geometry	geometry	NOUN
fumecheng-7021	63	29	and	and	CCONJ
fumecheng-7021	63	30	orientation	orientation	NOUN
fumecheng-7021	63	31	of	of	ADP
fumecheng-7021	63	32	particle	particle	NOUN
fumecheng-7021	63	33	.	.	PUNCT
fumecheng-7021	64	1	the	the	DET
fumecheng-7021	64	2	similar	similar	ADJ
fumecheng-7021	64	3	behavior	behavior	NOUN
fumecheng-7021	64	4	was	be	AUX
fumecheng-7021	64	5	discussed	discuss	VERB
fumecheng-7021	64	6	about	about	ADP
fumecheng-7021	64	7	kinematics	kinematic	NOUN
fumecheng-7021	64	8	of	of	ADP
fumecheng-7021	64	9	particles	particle	NOUN
fumecheng-7021	64	10	in	in	ADP
fumecheng-7021	64	11	[	[	X
fumecheng-7021	64	12	18	18	NUM
fumecheng-7021	64	13	]	]	PUNCT
fumecheng-7021	64	14	.	.	PUNCT
fumecheng-7021	65	1	2.2	2.2	NUM
fumecheng-7021	65	2	.	.	PUNCT
fumecheng-7021	65	3	soft	soft	ADJ
fumecheng-7021	65	4	particle	particle	NOUN
fumecheng-7021	65	5	if	if	SCONJ
fumecheng-7021	65	6	the	the	DET
fumecheng-7021	65	7	body	body	NOUN
fumecheng-7021	65	8	is	be	AUX
fumecheng-7021	65	9	deformable	deformable	ADJ
fumecheng-7021	65	10	,	,	PUNCT
fumecheng-7021	65	11	the	the	DET
fumecheng-7021	65	12	contact	contact	NOUN
fumecheng-7021	65	13	will	will	AUX
fumecheng-7021	65	14	be	be	AUX
fumecheng-7021	65	15	different	different	ADJ
fumecheng-7021	65	16	.	.	PUNCT
fumecheng-7021	66	1	firstly	firstly	ADV
fumecheng-7021	66	2	,	,	PUNCT
fumecheng-7021	66	3	the	the	DET
fumecheng-7021	66	4	loads	load	NOUN
fumecheng-7021	66	5	are	be	AUX
fumecheng-7021	66	6	not	not	PART
fumecheng-7021	66	7	concentrated	concentrated	ADJ
fumecheng-7021	66	8	forces	force	NOUN
fumecheng-7021	66	9	acting	act	VERB
fumecheng-7021	66	10	on	on	ADP
fumecheng-7021	66	11	some	some	DET
fumecheng-7021	66	12	points	point	NOUN
fumecheng-7021	66	13	,	,	PUNCT
fumecheng-7021	66	14	but	but	CCONJ
fumecheng-7021	66	15	distributed	distribute	VERB
fumecheng-7021	66	16	stresses	stress	NOUN
fumecheng-7021	66	17	on	on	ADP
fumecheng-7021	66	18	some	some	DET
fumecheng-7021	66	19	areas	area	NOUN
fumecheng-7021	66	20	.	.	PUNCT
fumecheng-7021	67	1	and	and	CCONJ
fumecheng-7021	67	2	the	the	DET
fumecheng-7021	67	3	moment	moment	NOUN
fumecheng-7021	67	4	arms	arm	NOUN
fumecheng-7021	67	5	of	of	ADP
fumecheng-7021	67	6	the	the	DET
fumecheng-7021	67	7	stresses	stress	NOUN
fumecheng-7021	67	8	are	be	AUX
fumecheng-7021	67	9	then	then	ADV
fumecheng-7021	67	10	related	relate	VERB
fumecheng-7021	67	11	to	to	ADP
fumecheng-7021	67	12	the	the	DET
fumecheng-7021	67	13	location	location	NOUN
fumecheng-7021	67	14	of	of	ADP
fumecheng-7021	67	15	contact	contact	NOUN
fumecheng-7021	67	16	area	area	NOUN
fumecheng-7021	67	17	.	.	PUNCT
fumecheng-7021	68	1	furthermore	furthermore	ADV
fumecheng-7021	68	2	,	,	PUNCT
fumecheng-7021	68	3	540	540	NUM
fumecheng-7021	68	4	q.	q.	PROPN
fumecheng-7021	68	5	li	li	PROPN
fumecheng-7021	68	6	due	due	ADP
fumecheng-7021	68	7	to	to	ADP
fumecheng-7021	68	8	the	the	DET
fumecheng-7021	68	9	deformation	deformation	NOUN
fumecheng-7021	68	10	of	of	ADP
fumecheng-7021	68	11	particle	particle	NOUN
fumecheng-7021	68	12	,	,	PUNCT
fumecheng-7021	68	13	there	there	PRON
fumecheng-7021	68	14	could	could	AUX
fumecheng-7021	68	15	be	be	AUX
fumecheng-7021	68	16	multi	multi	ADJ
fumecheng-7021	68	17	-	-	ADJ
fumecheng-7021	68	18	contact	contact	ADJ
fumecheng-7021	68	19	spots	spot	NOUN
fumecheng-7021	68	20	in	in	ADP
fumecheng-7021	68	21	one	one	NUM
fumecheng-7021	68	22	contact	contact	NOUN
fumecheng-7021	68	23	interface	interface	NOUN
fumecheng-7021	68	24	during	during	ADP
fumecheng-7021	68	25	loading	loading	NOUN
fumecheng-7021	68	26	.	.	PUNCT
fumecheng-7021	69	1	as	as	SCONJ
fumecheng-7021	69	2	sketched	sketch	VERB
fumecheng-7021	69	3	in	in	ADP
fumecheng-7021	69	4	fig	fig	NOUN
fumecheng-7021	69	5	.	.	PUNCT
fumecheng-7021	70	1	1b	1b	NUM
fumecheng-7021	70	2	,	,	PUNCT
fumecheng-7021	70	3	the	the	DET
fumecheng-7021	70	4	equilibrium	equilibrium	NOUN
fumecheng-7021	70	5	condition	condition	NOUN
fumecheng-7021	70	6	for	for	ADP
fumecheng-7021	70	7	the	the	DET
fumecheng-7021	70	8	deformed	deform	VERB
fumecheng-7021	70	9	particle	particle	NOUN
fumecheng-7021	70	10	in	in	ADP
fumecheng-7021	70	11	this	this	DET
fumecheng-7021	70	12	case	case	NOUN
fumecheng-7021	70	13	becomes	become	VERB
fumecheng-7021	70	14	up	up	ADP
fumecheng-7021	70	15	up	up	ADP
fumecheng-7021	70	16	low	low	ADJ
fumecheng-7021	70	17	low	low	ADJ
fumecheng-7021	70	18	up	up	ADP
fumecheng-7021	70	19	up	up	ADV
fumecheng-7021	70	20	low	low	ADJ
fumecheng-7021	70	21	low	low	ADJ
fumecheng-7021	70	22	up	up	ADP
fumecheng-7021	70	23	up	up	ADV
fumecheng-7021	70	24	low	low	ADJ
fumecheng-7021	70	25	low	low	ADJ
fumecheng-7021	70	26	up	up	ADP
fumecheng-7021	70	27	up	up	ADP
fumecheng-7021	70	28	low	low	ADJ
fumecheng-7021	70	29	low	low	ADJ
fumecheng-7021	70	30	(	(	PUNCT
fumecheng-7021	70	31	,	,	PUNCT
fumecheng-7021	70	32	)	)	PUNCT
fumecheng-7021	70	33	d	d	NOUN
fumecheng-7021	70	34	(	(	PUNCT
fumecheng-7021	70	35	,	,	PUNCT
fumecheng-7021	70	36	)	)	PUNCT
fumecheng-7021	70	37	d	d	NOUN
fumecheng-7021	70	38	0	0	PUNCT
fumecheng-7021	70	39	(	(	PUNCT
fumecheng-7021	70	40	,	,	PUNCT
fumecheng-7021	70	41	)	)	PUNCT
fumecheng-7021	70	42	d	d	NOUN
fumecheng-7021	70	43	(	(	PUNCT
fumecheng-7021	70	44	,	,	PUNCT
fumecheng-7021	70	45	)	)	PUNCT
fumecheng-7021	70	46	d	d	NOUN
fumecheng-7021	70	47	0	0	PUNCT
fumecheng-7021	70	48	(	(	PUNCT
fumecheng-7021	70	49	,	,	PUNCT
fumecheng-7021	70	50	)	)	PUNCT
fumecheng-7021	70	51	d	d	NOUN
fumecheng-7021	70	52	(	(	PUNCT
fumecheng-7021	70	53	,	,	PUNCT
fumecheng-7021	70	54	)	)	PUNCT
fumecheng-7021	70	55	d	d	NOUN
fumecheng-7021	70	56	(	(	PUNCT
fumecheng-7021	70	57	,	,	PUNCT
fumecheng-7021	70	58	)	)	PUNCT
fumecheng-7021	70	59	d	d	NOUN
fumecheng-7021	70	60	(	(	PUNCT
fumecheng-7021	70	61	,	,	PUNCT
fumecheng-7021	70	62	)	)	PUNCT
fumecheng-7021	71	1	d	d	NOUN
fumecheng-7021	71	2	0	0	NUM
fumecheng-7021	72	1	z	z	NOUN
fumecheng-7021	72	2	x	x	X
fumecheng-7021	73	1	f	f	X
fumecheng-7021	73	2	p	p	X
fumecheng-7021	73	3	x	x	X
fumecheng-7021	73	4	y	y	PROPN
fumecheng-7021	73	5	a	a	DET
fumecheng-7021	73	6	p	p	X
fumecheng-7021	73	7	x	x	X
fumecheng-7021	73	8	y	y	PROPN
fumecheng-7021	73	9	a	a	DET
fumecheng-7021	73	10	f	f	X
fumecheng-7021	73	11	x	x	X
fumecheng-7021	73	12	y	y	PROPN
fumecheng-7021	73	13	a	a	X
fumecheng-7021	73	14	x	x	X
fumecheng-7021	73	15	y	y	PROPN
fumecheng-7021	73	16	a	a	PROPN
fumecheng-7021	73	17	m	m	NOUN
fumecheng-7021	73	18	p	p	X
fumecheng-7021	73	19	x	x	X
fumecheng-7021	73	20	y	y	NOUN
fumecheng-7021	73	21	x	x	X
fumecheng-7021	73	22	a	a	DET
fumecheng-7021	73	23	p	p	X
fumecheng-7021	73	24	x	x	X
fumecheng-7021	73	25	y	y	NOUN
fumecheng-7021	73	26	x	x	PROPN
fumecheng-7021	73	27	a	a	X
fumecheng-7021	73	28	x	x	X
fumecheng-7021	73	29	y	y	NOUN
fumecheng-7021	73	30	z	z	PROPN
fumecheng-7021	73	31	a	a	X
fumecheng-7021	73	32	x	x	X
fumecheng-7021	73	33	y	y	PROPN
fumecheng-7021	73	34	z	z	PROPN
fumecheng-7021	73	35	a	a	DET
fumecheng-7021	73	36			NOUN
fumecheng-7021	73	37			NOUN
fumecheng-7021	73	38			NOUN
fumecheng-7021	73	39			ADV
fumecheng-7021	73	40			ADV
fumecheng-7021	73	41	=	=	SYM
fumecheng-7021	73	42	+	+	CCONJ
fumecheng-7021	73	43	=	=	SYM
fumecheng-7021	73	44			X
fumecheng-7021	73	45	=	=	SYM
fumecheng-7021	73	46	+	+	CCONJ
fumecheng-7021	73	47	=	=	SYM
fumecheng-7021	73	48			X
fumecheng-7021	73	49	=	=	SYM
fumecheng-7021	73	50	+	+	PUNCT
fumecheng-7021	74	1	+	+	PUNCT
fumecheng-7021	74	2	+	+	NUM
fumecheng-7021	74	3	=	=	NOUN
fumecheng-7021	74	4			NOUN
fumecheng-7021	74	5			X
fumecheng-7021	74	6			NOUN
fumecheng-7021	74	7			X
fumecheng-7021	74	8			X
fumecheng-7021	74	9			X
fumecheng-7021	74	10			X
fumecheng-7021	74	11			X
fumecheng-7021	74	12	.	.	PUNCT
fumecheng-7021	75	1	(	(	PUNCT
fumecheng-7021	75	2	6	6	X
fumecheng-7021	75	3	)	)	PUNCT
fumecheng-7021	75	4	the	the	DET
fumecheng-7021	75	5	third	third	ADJ
fumecheng-7021	75	6	equation	equation	NOUN
fumecheng-7021	75	7	in	in	ADP
fumecheng-7021	75	8	(	(	PUNCT
fumecheng-7021	75	9	6	6	NUM
fumecheng-7021	75	10	)	)	PUNCT
fumecheng-7021	75	11	is	be	AUX
fumecheng-7021	75	12	the	the	DET
fumecheng-7021	75	13	equilibrium	equilibrium	NOUN
fumecheng-7021	75	14	condition	condition	NOUN
fumecheng-7021	75	15	for	for	ADP
fumecheng-7021	75	16	the	the	DET
fumecheng-7021	75	17	moment	moment	NOUN
fumecheng-7021	75	18	of	of	ADP
fumecheng-7021	75	19	the	the	DET
fumecheng-7021	75	20	normal	normal	ADJ
fumecheng-7021	75	21	and	and	CCONJ
fumecheng-7021	75	22	tangential	tangential	ADJ
fumecheng-7021	75	23	stresses	stress	NOUN
fumecheng-7021	75	24	around	around	ADP
fumecheng-7021	75	25	the	the	DET
fumecheng-7021	75	26	centroid	centroid	NOUN
fumecheng-7021	75	27	of	of	ADP
fumecheng-7021	75	28	particle	particle	NOUN
fumecheng-7021	75	29	.	.	PUNCT
fumecheng-7021	76	1	it	it	PRON
fumecheng-7021	76	2	is	be	AUX
fumecheng-7021	76	3	noted	note	VERB
fumecheng-7021	76	4	that	that	SCONJ
fumecheng-7021	76	5	the	the	DET
fumecheng-7021	76	6	centroid	centroid	NOUN
fumecheng-7021	76	7	may	may	AUX
fumecheng-7021	76	8	change	change	VERB
fumecheng-7021	76	9	a	a	DET
fumecheng-7021	76	10	bit	bit	NOUN
fumecheng-7021	76	11	due	due	ADP
fumecheng-7021	76	12	to	to	ADP
fumecheng-7021	76	13	the	the	DET
fumecheng-7021	76	14	deformation	deformation	NOUN
fumecheng-7021	76	15	during	during	ADP
fumecheng-7021	76	16	the	the	DET
fumecheng-7021	76	17	loading	loading	NOUN
fumecheng-7021	76	18	.	.	PUNCT
fumecheng-7021	77	1	the	the	DET
fumecheng-7021	77	2	stresses	stress	NOUN
fumecheng-7021	77	3	in	in	ADP
fumecheng-7021	77	4	contact	contact	NOUN
fumecheng-7021	77	5	have	have	VERB
fumecheng-7021	77	6	to	to	PART
fumecheng-7021	77	7	be	be	AUX
fumecheng-7021	77	8	numerically	numerically	ADV
fumecheng-7021	77	9	calculated	calculate	VERB
fumecheng-7021	77	10	using	use	VERB
fumecheng-7021	77	11	the	the	DET
fumecheng-7021	77	12	bem	bem	PROPN
fumecheng-7021	77	13	.	.	PUNCT
fumecheng-7021	78	1	for	for	ADP
fumecheng-7021	78	2	a	a	DET
fumecheng-7021	78	3	clear	clear	ADJ
fumecheng-7021	78	4	description	description	NOUN
fumecheng-7021	78	5	of	of	ADP
fumecheng-7021	78	6	numerical	numerical	PROPN
fumecheng-7021	78	7	simulation	simulation	PROPN
fumecheng-7021	78	8	,	,	PUNCT
fumecheng-7021	78	9	we	we	PRON
fumecheng-7021	78	10	mention	mention	VERB
fumecheng-7021	78	11	two	two	NUM
fumecheng-7021	78	12	available	available	ADJ
fumecheng-7021	78	13	basic	basic	ADJ
fumecheng-7021	78	14	functions	function	NOUN
fumecheng-7021	78	15	in	in	ADP
fumecheng-7021	78	16	the	the	DET
fumecheng-7021	78	17	bem	bem	NOUN
fumecheng-7021	78	18	:	:	PUNCT
fumecheng-7021	78	19	(	(	PUNCT
fumecheng-7021	78	20	1	1	X
fumecheng-7021	78	21	)	)	PUNCT
fumecheng-7021	78	22	normal	normal	ADJ
fumecheng-7021	78	23	pressure	pressure	NOUN
fumecheng-7021	78	24	distribution	distribution	NOUN
fumecheng-7021	78	25	p	p	NOUN
fumecheng-7021	78	26	can	can	AUX
fumecheng-7021	78	27	be	be	AUX
fumecheng-7021	78	28	calculated	calculate	VERB
fumecheng-7021	78	29	with	with	ADP
fumecheng-7021	78	30	given	give	VERB
fumecheng-7021	78	31	indentation	indentation	NOUN
fumecheng-7021	78	32	depth	depth	NOUN
fumecheng-7021	78	33	d	d	NOUN
fumecheng-7021	78	34	and	and	CCONJ
fumecheng-7021	78	35	the	the	DET
fumecheng-7021	78	36	geometry	geometry	NOUN
fumecheng-7021	78	37	of	of	ADP
fumecheng-7021	78	38	indenter	indenter	NOUN
fumecheng-7021	78	39	(	(	PUNCT
fumecheng-7021	78	40	particle	particle	NOUN
fumecheng-7021	78	41	in	in	ADP
fumecheng-7021	78	42	this	this	DET
fumecheng-7021	78	43	study	study	NOUN
fumecheng-7021	78	44	)	)	PUNCT
fumecheng-7021	78	45	;	;	PUNCT
fumecheng-7021	78	46	(	(	PUNCT
fumecheng-7021	78	47	2	2	X
fumecheng-7021	78	48	)	)	PUNCT
fumecheng-7021	78	49	tangential	tangential	ADJ
fumecheng-7021	78	50	stress	stress	NOUN
fumecheng-7021	78	51	τ	τ	PROPN
fumecheng-7021	78	52	can	can	AUX
fumecheng-7021	78	53	be	be	AUX
fumecheng-7021	78	54	calculated	calculate	VERB
fumecheng-7021	78	55	with	with	ADP
fumecheng-7021	78	56	the	the	DET
fumecheng-7021	78	57	given	give	VERB
fumecheng-7021	78	58	tangential	tangential	ADJ
fumecheng-7021	78	59	displacement	displacement	NOUN
fumecheng-7021	78	60	.	.	PUNCT
fumecheng-7021	79	1	the	the	DET
fumecheng-7021	79	2	latter	latter	ADJ
fumecheng-7021	79	3	one	one	NOUN
fumecheng-7021	79	4	has	have	AUX
fumecheng-7021	79	5	been	be	AUX
fumecheng-7021	79	6	already	already	ADV
fumecheng-7021	79	7	applied	apply	VERB
fumecheng-7021	79	8	to	to	ADP
fumecheng-7021	79	9	the	the	DET
fumecheng-7021	79	10	partial	partial	NOUN
fumecheng-7021	79	11	sliding	slide	VERB
fumecheng-7021	79	12	with	with	ADP
fumecheng-7021	79	13	the	the	DET
fumecheng-7021	79	14	coulomb	coulomb	NOUN
fumecheng-7021	79	15	’s	’s	PART
fumecheng-7021	79	16	law	law	NOUN
fumecheng-7021	79	17	of	of	ADP
fumecheng-7021	79	18	friction	friction	NOUN
fumecheng-7021	79	19	:	:	PUNCT
fumecheng-7021	79	20	under	under	ADP
fumecheng-7021	79	21	the	the	DET
fumecheng-7021	79	22	normal	normal	ADJ
fumecheng-7021	79	23	load	load	NOUN
fumecheng-7021	79	24	a	a	DET
fumecheng-7021	79	25	deformable	deformable	ADJ
fumecheng-7021	79	26	body	body	NOUN
fumecheng-7021	79	27	is	be	AUX
fumecheng-7021	79	28	pressed	press	VERB
fumecheng-7021	79	29	on	on	ADP
fumecheng-7021	79	30	a	a	DET
fumecheng-7021	79	31	rigid	rigid	ADJ
fumecheng-7021	79	32	plane	plane	NOUN
fumecheng-7021	79	33	and	and	CCONJ
fumecheng-7021	79	34	then	then	ADV
fumecheng-7021	79	35	the	the	DET
fumecheng-7021	79	36	plane	plane	NOUN
fumecheng-7021	79	37	moves	move	VERB
fumecheng-7021	79	38	a	a	DET
fumecheng-7021	79	39	bit	bit	NOUN
fumecheng-7021	79	40	in	in	ADP
fumecheng-7021	79	41	tangential	tangential	ADJ
fumecheng-7021	79	42	direction	direction	NOUN
fumecheng-7021	79	43	;	;	PUNCT
fumecheng-7021	79	44	then	then	ADV
fumecheng-7021	79	45	the	the	DET
fumecheng-7021	79	46	tangential	tangential	ADJ
fumecheng-7021	79	47	displacement	displacement	NOUN
fumecheng-7021	79	48	of	of	ADP
fumecheng-7021	79	49	the	the	DET
fumecheng-7021	79	50	body	body	NOUN
fumecheng-7021	79	51	at	at	ADP
fumecheng-7021	79	52	the	the	DET
fumecheng-7021	79	53	contact	contact	NOUN
fumecheng-7021	79	54	area	area	NOUN
fumecheng-7021	79	55	can	can	AUX
fumecheng-7021	79	56	be	be	AUX
fumecheng-7021	79	57	calculated	calculate	VERB
fumecheng-7021	79	58	as	as	ADV
fumecheng-7021	79	59	well	well	ADV
fumecheng-7021	79	60	as	as	ADP
fumecheng-7021	79	61	the	the	DET
fumecheng-7021	79	62	tangential	tangential	ADJ
fumecheng-7021	79	63	stress	stress	NOUN
fumecheng-7021	79	64	.	.	PUNCT
fumecheng-7021	80	1	as	as	SCONJ
fumecheng-7021	80	2	shown	show	VERB
fumecheng-7021	80	3	in	in	ADP
fumecheng-7021	80	4	fig	fig	NOUN
fumecheng-7021	80	5	.	.	PUNCT
fumecheng-7021	81	1	2	2	NUM
fumecheng-7021	81	2	with	with	ADP
fumecheng-7021	81	3	an	an	DET
fumecheng-7021	81	4	example	example	NOUN
fumecheng-7021	81	5	of	of	ADP
fumecheng-7021	81	6	a	a	DET
fumecheng-7021	81	7	tilted	tilted	ADJ
fumecheng-7021	81	8	ellipsoid	ellipsoid	NOUN
fumecheng-7021	81	9	,	,	PUNCT
fumecheng-7021	81	10	there	there	PRON
fumecheng-7021	81	11	will	will	AUX
fumecheng-7021	81	12	be	be	AUX
fumecheng-7021	81	13	a	a	DET
fumecheng-7021	81	14	stick	stick	NOUN
fumecheng-7021	81	15	region	region	NOUN
fumecheng-7021	81	16	in	in	ADP
fumecheng-7021	81	17	the	the	DET
fumecheng-7021	81	18	middle	middle	NOUN
fumecheng-7021	81	19	of	of	ADP
fumecheng-7021	81	20	contact	contact	NOUN
fumecheng-7021	81	21	area	area	NOUN
fumecheng-7021	81	22	and	and	CCONJ
fumecheng-7021	81	23	a	a	DET
fumecheng-7021	81	24	relative	relative	ADJ
fumecheng-7021	81	25	slip	slip	NOUN
fumecheng-7021	81	26	region	region	NOUN
fumecheng-7021	81	27	at	at	ADP
fumecheng-7021	81	28	the	the	DET
fumecheng-7021	81	29	boundary	boundary	NOUN
fumecheng-7021	81	30	of	of	ADP
fumecheng-7021	81	31	contact	contact	NOUN
fumecheng-7021	81	32	(	(	PUNCT
fumecheng-7021	81	33	fig	fig	NOUN
fumecheng-7021	81	34	.	.	PUNCT
fumecheng-7021	81	35	2b	2b	NUM
fumecheng-7021	81	36	)	)	PUNCT
fumecheng-7021	81	37	.	.	PUNCT
fumecheng-7021	82	1	the	the	DET
fumecheng-7021	82	2	criterion	criterion	NOUN
fumecheng-7021	82	3	can	can	AUX
fumecheng-7021	82	4	be	be	AUX
fumecheng-7021	82	5	formulated	formulate	VERB
fumecheng-7021	82	6	as	as	SCONJ
fumecheng-7021	82	7	follows	follow	VERB
fumecheng-7021	82	8	:	:	PUNCT
fumecheng-7021	82	9	when	when	SCONJ
fumecheng-7021	82	10	the	the	DET
fumecheng-7021	82	11	tangential	tangential	ADJ
fumecheng-7021	82	12	stress	stress	NOUN
fumecheng-7021	82	13	is	be	AUX
fumecheng-7021	82	14	smaller	small	ADJ
fumecheng-7021	82	15	than	than	ADP
fumecheng-7021	82	16	normal	normal	ADJ
fumecheng-7021	82	17	stress	stress	NOUN
fumecheng-7021	82	18	multiplying	multiply	VERB
fumecheng-7021	82	19	the	the	DET
fumecheng-7021	82	20	coefficient	coefficient	NOUN
fumecheng-7021	82	21	of	of	ADP
fumecheng-7021	82	22	friction	friction	NOUN
fumecheng-7021	82	23	τ<p	τ<p	PROPN
fumecheng-7021	82	24	,	,	PUNCT
fumecheng-7021	82	25	the	the	DET
fumecheng-7021	82	26	incremental	incremental	ADJ
fumecheng-7021	82	27	tangential	tangential	ADJ
fumecheng-7021	82	28	displacement	displacement	NOUN
fumecheng-7021	82	29	of	of	ADP
fumecheng-7021	82	30	the	the	DET
fumecheng-7021	82	31	surface	surface	NOUN
fumecheng-7021	82	32	in	in	ADP
fumecheng-7021	82	33	contact	contact	NOUN
fumecheng-7021	82	34	area	area	NOUN
fumecheng-7021	82	35	ux	ux	PROPN
fumecheng-7021	82	36	is	be	AUX
fumecheng-7021	82	37	equal	equal	ADJ
fumecheng-7021	82	38	to	to	ADP
fumecheng-7021	82	39	that	that	PRON
fumecheng-7021	82	40	of	of	ADP
fumecheng-7021	82	41	indenter	indenter	PROPN
fumecheng-7021	82	42	ux0	ux0	PROPN
fumecheng-7021	82	43	.	.	PUNCT
fumecheng-7021	83	1	these	these	DET
fumecheng-7021	83	2	elements	element	NOUN
fumecheng-7021	83	3	are	be	AUX
fumecheng-7021	83	4	in	in	ADP
fumecheng-7021	83	5	the	the	DET
fumecheng-7021	83	6	stick	stick	NOUN
fumecheng-7021	83	7	region	region	NOUN
fumecheng-7021	83	8	.	.	PUNCT
fumecheng-7021	84	1	otherwise	otherwise	ADV
fumecheng-7021	84	2	,	,	PUNCT
fumecheng-7021	84	3	the	the	DET
fumecheng-7021	84	4	elements	element	NOUN
fumecheng-7021	84	5	are	be	AUX
fumecheng-7021	84	6	in	in	ADP
fumecheng-7021	84	7	a	a	DET
fumecheng-7021	84	8	state	state	NOUN
fumecheng-7021	84	9	of	of	ADP
fumecheng-7021	84	10	slip	slip	NOUN
fumecheng-7021	84	11	:	:	PUNCT
fumecheng-7021	84	12	0	0	NUM
fumecheng-7021	84	13	,	,	PUNCT
fumecheng-7021	84	14	in	in	ADP
fumecheng-7021	84	15	stick	stick	PROPN
fumecheng-7021	84	16	region	region	NOUN
fumecheng-7021	84	17	,	,	PUNCT
fumecheng-7021	84	18	in	in	ADP
fumecheng-7021	84	19	slip	slip	NOUN
fumecheng-7021	84	20	region	region	NOUN
fumecheng-7021	84	21			NOUN
fumecheng-7021	84	22			NOUN
fumecheng-7021	84	23			PUNCT
fumecheng-7021	84	24	=	=	PUNCT
fumecheng-7021	84	25			X
fumecheng-7021	85	1	=	=	PUNCT
fumecheng-7021	85	2	x	x	SYM
fumecheng-7021	85	3	xu	xu	PROPN
fumecheng-7021	85	4	u	u	PROPN
fumecheng-7021	85	5	p	p	X
fumecheng-7021	85	6	.	.	PUNCT
fumecheng-7021	86	1	(	(	PUNCT
fumecheng-7021	86	2	7	7	X
fumecheng-7021	86	3	)	)	PUNCT
fumecheng-7021	86	4	a	a	PRON
fumecheng-7021	86	5	)	)	PUNCT
fumecheng-7021	86	6	b	b	NOUN
fumecheng-7021	86	7	)	)	PUNCT
fumecheng-7021	86	8	c	c	NOUN
fumecheng-7021	86	9	)	)	PUNCT
fumecheng-7021	86	10	fig	fig	NOUN
fumecheng-7021	86	11	.	.	PUNCT
fumecheng-7021	87	1	2	2	NUM
fumecheng-7021	87	2	simulation	simulation	NOUN
fumecheng-7021	87	3	example	example	NOUN
fumecheng-7021	87	4	of	of	ADP
fumecheng-7021	87	5	partial	partial	ADJ
fumecheng-7021	87	6	sliding	sliding	NOUN
fumecheng-7021	87	7	of	of	ADP
fumecheng-7021	87	8	a	a	DET
fumecheng-7021	87	9	deformable	deformable	ADJ
fumecheng-7021	87	10	ellipsoid	ellipsoid	NOUN
fumecheng-7021	87	11	on	on	ADP
fumecheng-7021	87	12	a	a	DET
fumecheng-7021	87	13	rigid	rigid	ADJ
fumecheng-7021	87	14	plane	plane	NOUN
fumecheng-7021	87	15	(	(	PUNCT
fumecheng-7021	87	16	a	a	NOUN
fumecheng-7021	87	17	)	)	PUNCT
fumecheng-7021	87	18	illustration	illustration	NOUN
fumecheng-7021	87	19	of	of	ADP
fumecheng-7021	87	20	contact	contact	NOUN
fumecheng-7021	87	21	:	:	PUNCT
fumecheng-7021	87	22	the	the	DET
fumecheng-7021	87	23	plane	plane	NOUN
fumecheng-7021	87	24	has	have	VERB
fumecheng-7021	87	25	a	a	DET
fumecheng-7021	87	26	contact	contact	NOUN
fumecheng-7021	87	27	with	with	ADP
fumecheng-7021	87	28	ellipsoid	ellipsoid	PROPN
fumecheng-7021	87	29	under	under	ADP
fumecheng-7021	87	30	the	the	DET
fumecheng-7021	87	31	normal	normal	ADJ
fumecheng-7021	87	32	load	load	NOUN
fumecheng-7021	87	33	and	and	CCONJ
fumecheng-7021	87	34	then	then	ADV
fumecheng-7021	87	35	moves	move	VERB
fumecheng-7021	87	36	a	a	DET
fumecheng-7021	87	37	little	little	ADJ
fumecheng-7021	87	38	in	in	ADP
fumecheng-7021	87	39	tangential	tangential	ADJ
fumecheng-7021	87	40	direction	direction	NOUN
fumecheng-7021	87	41	.	.	PUNCT
fumecheng-7021	88	1	there	there	PRON
fumecheng-7021	88	2	is	be	VERB
fumecheng-7021	88	3	a	a	DET
fumecheng-7021	88	4	stick	stick	NOUN
fumecheng-7021	88	5	(	(	PUNCT
fumecheng-7021	88	6	black	black	NOUN
fumecheng-7021	88	7	)	)	PUNCT
fumecheng-7021	88	8	and	and	CCONJ
fumecheng-7021	88	9	a	a	DET
fumecheng-7021	88	10	slip	slip	NOUN
fumecheng-7021	88	11	(	(	PUNCT
fumecheng-7021	88	12	gray	gray	ADJ
fumecheng-7021	88	13	)	)	PUNCT
fumecheng-7021	88	14	region	region	NOUN
fumecheng-7021	88	15	in	in	ADP
fumecheng-7021	88	16	contact	contact	NOUN
fumecheng-7021	88	17	area	area	NOUN
fumecheng-7021	88	18	(	(	PUNCT
fumecheng-7021	88	19	b	b	NOUN
fumecheng-7021	88	20	)	)	PUNCT
fumecheng-7021	88	21	.	.	PUNCT
fumecheng-7021	89	1	the	the	DET
fumecheng-7021	89	2	tangential	tangential	ADJ
fumecheng-7021	89	3	stress	stress	NOUN
fumecheng-7021	89	4	distribution	distribution	NOUN
fumecheng-7021	89	5	is	be	AUX
fumecheng-7021	89	6	shown	show	VERB
fumecheng-7021	89	7	in	in	ADP
fumecheng-7021	89	8	(	(	PUNCT
fumecheng-7021	89	9	c	c	NOUN
fumecheng-7021	89	10	)	)	PUNCT
fumecheng-7021	89	11	simulation	simulation	NOUN
fumecheng-7021	89	12	of	of	ADP
fumecheng-7021	89	13	a	a	DET
fumecheng-7021	89	14	single	single	ADJ
fumecheng-7021	89	15	third	third	ADJ
fumecheng-7021	89	16	-	-	PUNCT
fumecheng-7021	89	17	body	body	NOUN
fumecheng-7021	89	18	particle	particle	NOUN
fumecheng-7021	89	19	in	in	ADP
fumecheng-7021	89	20	frictional	frictional	ADJ
fumecheng-7021	89	21	contact	contact	NOUN
fumecheng-7021	89	22	541	541	NUM
fumecheng-7021	89	23	we	we	PRON
fumecheng-7021	89	24	consider	consider	VERB
fumecheng-7021	89	25	a	a	DET
fumecheng-7021	89	26	soft	soft	ADJ
fumecheng-7021	89	27	particle	particle	NOUN
fumecheng-7021	89	28	squeezed	squeeze	VERB
fumecheng-7021	89	29	by	by	ADP
fumecheng-7021	89	30	two	two	NUM
fumecheng-7021	89	31	plates	plate	NOUN
fumecheng-7021	89	32	.	.	PUNCT
fumecheng-7021	90	1	the	the	DET
fumecheng-7021	90	2	external	external	ADJ
fumecheng-7021	90	3	normal	normal	ADJ
fumecheng-7021	90	4	loading	loading	NOUN
fumecheng-7021	90	5	on	on	ADP
fumecheng-7021	90	6	plates	plate	NOUN
fumecheng-7021	90	7	is	be	AUX
fumecheng-7021	90	8	given	give	VERB
fumecheng-7021	90	9	and	and	CCONJ
fumecheng-7021	90	10	the	the	DET
fumecheng-7021	90	11	two	two	NUM
fumecheng-7021	90	12	parallel	parallel	ADJ
fumecheng-7021	90	13	plates	plate	NOUN
fumecheng-7021	90	14	are	be	AUX
fumecheng-7021	90	15	fixed	fix	VERB
fumecheng-7021	90	16	in	in	ADP
fumecheng-7021	90	17	horizontal	horizontal	ADJ
fumecheng-7021	90	18	direction	direction	NOUN
fumecheng-7021	90	19	so	so	SCONJ
fumecheng-7021	90	20	they	they	PRON
fumecheng-7021	90	21	can	can	AUX
fumecheng-7021	90	22	move	move	VERB
fumecheng-7021	90	23	only	only	ADV
fumecheng-7021	90	24	in	in	ADP
fumecheng-7021	90	25	vertical	vertical	ADJ
fumecheng-7021	90	26	direction	direction	NOUN
fumecheng-7021	90	27	.	.	PUNCT
fumecheng-7021	91	1	with	with	ADP
fumecheng-7021	91	2	the	the	DET
fumecheng-7021	91	3	existing	exist	VERB
fumecheng-7021	91	4	functions	function	NOUN
fumecheng-7021	91	5	described	describe	VERB
fumecheng-7021	91	6	above	above	ADP
fumecheng-7021	91	7	we	we	PRON
fumecheng-7021	91	8	can	can	AUX
fumecheng-7021	91	9	further	far	ADV
fumecheng-7021	91	10	realize	realize	VERB
fumecheng-7021	91	11	the	the	DET
fumecheng-7021	91	12	following	follow	VERB
fumecheng-7021	91	13	calculations	calculation	NOUN
fumecheng-7021	91	14	iteratively	iteratively	ADV
fumecheng-7021	91	15	:	:	PUNCT
fumecheng-7021	91	16	(	(	PUNCT
fumecheng-7021	91	17	1	1	X
fumecheng-7021	91	18	)	)	PUNCT
fumecheng-7021	91	19	the	the	DET
fumecheng-7021	91	20	deformation	deformation	NOUN
fumecheng-7021	91	21	of	of	ADP
fumecheng-7021	91	22	particle	particle	NOUN
fumecheng-7021	91	23	and	and	CCONJ
fumecheng-7021	91	24	normal	normal	ADJ
fumecheng-7021	91	25	stresses	stress	NOUN
fumecheng-7021	91	26	can	can	AUX
fumecheng-7021	91	27	be	be	AUX
fumecheng-7021	91	28	obtained	obtain	VERB
fumecheng-7021	91	29	with	with	ADP
fumecheng-7021	91	30	the	the	DET
fumecheng-7021	91	31	given	give	VERB
fumecheng-7021	91	32	normal	normal	ADJ
fumecheng-7021	91	33	force	force	NOUN
fumecheng-7021	91	34	;	;	PUNCT
fumecheng-7021	91	35	(	(	PUNCT
fumecheng-7021	91	36	2	2	X
fumecheng-7021	91	37	)	)	PUNCT
fumecheng-7021	91	38	the	the	DET
fumecheng-7021	91	39	tangential	tangential	ADJ
fumecheng-7021	91	40	stress	stress	NOUN
fumecheng-7021	91	41	and	and	CCONJ
fumecheng-7021	91	42	a	a	DET
fumecheng-7021	91	43	stick	stick	NOUN
fumecheng-7021	91	44	and	and	CCONJ
fumecheng-7021	91	45	slip	slip	NOUN
fumecheng-7021	91	46	region	region	NOUN
fumecheng-7021	91	47	can	can	AUX
fumecheng-7021	91	48	be	be	AUX
fumecheng-7021	91	49	calculated	calculate	VERB
fumecheng-7021	91	50	with	with	ADP
fumecheng-7021	91	51	the	the	DET
fumecheng-7021	91	52	given	give	VERB
fumecheng-7021	91	53	tangential	tangential	ADJ
fumecheng-7021	91	54	force	force	NOUN
fumecheng-7021	91	55	under	under	ADP
fumecheng-7021	91	56	the	the	DET
fumecheng-7021	91	57	coulomb	coulomb	NOUN
fumecheng-7021	91	58	’s	’s	PART
fumecheng-7021	91	59	law	law	NOUN
fumecheng-7021	91	60	of	of	ADP
fumecheng-7021	91	61	friction	friction	NOUN
fumecheng-7021	91	62	(	(	PUNCT
fumecheng-7021	91	63	as	as	SCONJ
fumecheng-7021	91	64	shown	show	VERB
fumecheng-7021	91	65	in	in	ADP
fumecheng-7021	91	66	fig	fig	NOUN
fumecheng-7021	91	67	.	.	PUNCT
fumecheng-7021	92	1	2	2	NUM
fumecheng-7021	92	2	)	)	PUNCT
fumecheng-7021	92	3	.	.	PUNCT
fumecheng-7021	93	1	in	in	ADP
fumecheng-7021	93	2	more	more	ADJ
fumecheng-7021	93	3	detail	detail	NOUN
fumecheng-7021	93	4	,	,	PUNCT
fumecheng-7021	93	5	the	the	DET
fumecheng-7021	93	6	simulation	simulation	NOUN
fumecheng-7021	93	7	of	of	ADP
fumecheng-7021	93	8	particle	particle	NOUN
fumecheng-7021	93	9	contact	contact	NOUN
fumecheng-7021	93	10	is	be	AUX
fumecheng-7021	93	11	the	the	DET
fumecheng-7021	93	12	following	following	NOUN
fumecheng-7021	93	13	.	.	PUNCT
fumecheng-7021	94	1	under	under	ADP
fumecheng-7021	94	2	known	know	VERB
fumecheng-7021	94	3	external	external	ADJ
fumecheng-7021	94	4	load	load	NOUN
fumecheng-7021	94	5	fz	fz	VERB
fumecheng-7021	94	6	the	the	DET
fumecheng-7021	94	7	normal	normal	ADJ
fumecheng-7021	94	8	stresses	stress	NOUN
fumecheng-7021	94	9	and	and	CCONJ
fumecheng-7021	94	10	contact	contact	NOUN
fumecheng-7021	94	11	areas	area	NOUN
fumecheng-7021	94	12	on	on	ADP
fumecheng-7021	94	13	upper	upper	ADJ
fumecheng-7021	94	14	and	and	CCONJ
fumecheng-7021	94	15	lower	low	ADJ
fumecheng-7021	94	16	interfaces	interface	NOUN
fumecheng-7021	94	17	pup	pup	ADJ
fumecheng-7021	94	18	,	,	PUNCT
fumecheng-7021	94	19	plow	plow	NOUN
fumecheng-7021	94	20	,	,	PUNCT
fumecheng-7021	94	21	aup	aup	PROPN
fumecheng-7021	94	22	,	,	PUNCT
fumecheng-7021	94	23	alow	alow	NOUN
fumecheng-7021	94	24	and	and	CCONJ
fumecheng-7021	94	25	deformation	deformation	NOUN
fumecheng-7021	94	26	of	of	ADP
fumecheng-7021	94	27	particle	particle	NOUN
fumecheng-7021	94	28	can	can	AUX
fumecheng-7021	94	29	be	be	AUX
fumecheng-7021	94	30	easily	easily	ADV
fumecheng-7021	94	31	calculated	calculate	VERB
fumecheng-7021	94	32	,	,	PUNCT
fumecheng-7021	94	33	also	also	ADV
fumecheng-7021	94	34	the	the	DET
fumecheng-7021	94	35	moment	moment	NOUN
fumecheng-7021	94	36	of	of	ADP
fumecheng-7021	94	37	normal	normal	ADJ
fumecheng-7021	94	38	pressures	pressure	NOUN
fumecheng-7021	94	39	p	p	NOUN
fumecheng-7021	94	40	up	up	ADP
fumecheng-7021	94	41	up	up	ADP
fumecheng-7021	94	42	low	low	ADJ
fumecheng-7021	94	43	low	low	ADJ
fumecheng-7021	94	44	(	(	PUNCT
fumecheng-7021	94	45	,	,	PUNCT
fumecheng-7021	94	46	)	)	PUNCT
fumecheng-7021	94	47	d	d	NOUN
fumecheng-7021	94	48	(	(	PUNCT
fumecheng-7021	94	49	,	,	PUNCT
fumecheng-7021	94	50	)	)	PUNCT
fumecheng-7021	95	1	dm	dm	PROPN
fumecheng-7021	95	2	p	p	X
fumecheng-7021	95	3	x	x	PUNCT
fumecheng-7021	95	4	y	y	NOUN
fumecheng-7021	95	5	x	x	X
fumecheng-7021	95	6	a	a	DET
fumecheng-7021	95	7	p	p	X
fumecheng-7021	95	8	x	x	X
fumecheng-7021	95	9	y	y	NOUN
fumecheng-7021	95	10	x	x	PUNCT
fumecheng-7021	95	11	a=	a=	VERB
fumecheng-7021	96	1	+	+	ADJ
fumecheng-7021	96	2			NOUN
fumecheng-7021	96	3			X
fumecheng-7021	96	4	.	.	PUNCT
fumecheng-7021	97	1	(	(	PUNCT
fumecheng-7021	97	2	8)	8)	NUM
fumecheng-7021	97	3	if	if	SCONJ
fumecheng-7021	97	4	the	the	DET
fumecheng-7021	97	5	coefficients	coefficient	NOUN
fumecheng-7021	97	6	of	of	ADP
fumecheng-7021	97	7	friction	friction	NOUN
fumecheng-7021	97	8	in	in	ADP
fumecheng-7021	97	9	the	the	DET
fumecheng-7021	97	10	upper	upper	ADJ
fumecheng-7021	97	11	and	and	CCONJ
fumecheng-7021	97	12	lower	low	ADJ
fumecheng-7021	97	13	interfaces	interface	NOUN
fumecheng-7021	97	14	are	be	AUX
fumecheng-7021	97	15	the	the	DET
fumecheng-7021	97	16	same	same	ADJ
fumecheng-7021	97	17	,	,	PUNCT
fumecheng-7021	97	18	μup	μup	NOUN
fumecheng-7021	97	19	=	=	SYM
fumecheng-7021	97	20	μlow	μlow	NOUN
fumecheng-7021	97	21	=	=	SYM
fumecheng-7021	97	22	μ	μ	PROPN
fumecheng-7021	97	23	,	,	PUNCT
fumecheng-7021	97	24	one	one	PRON
fumecheng-7021	97	25	can	can	AUX
fumecheng-7021	97	26	simply	simply	ADV
fumecheng-7021	97	27	check	check	VERB
fumecheng-7021	97	28	whether	whether	SCONJ
fumecheng-7021	97	29	the	the	DET
fumecheng-7021	97	30	particle	particle	NOUN
fumecheng-7021	97	31	would	would	AUX
fumecheng-7021	97	32	rotate	rotate	VERB
fumecheng-7021	97	33	.	.	PUNCT
fumecheng-7021	98	1	the	the	DET
fumecheng-7021	98	2	moment	moment	NOUN
fumecheng-7021	98	3	of	of	ADP
fumecheng-7021	98	4	normal	normal	ADJ
fumecheng-7021	98	5	load	load	NOUN
fumecheng-7021	98	6	urges	urge	VERB
fumecheng-7021	98	7	the	the	DET
fumecheng-7021	98	8	particle	particle	NOUN
fumecheng-7021	98	9	to	to	PART
fumecheng-7021	98	10	rotate	rotate	VERB
fumecheng-7021	98	11	,	,	PUNCT
fumecheng-7021	98	12	but	but	CCONJ
fumecheng-7021	98	13	the	the	DET
fumecheng-7021	98	14	frictional	frictional	ADJ
fumecheng-7021	98	15	force	force	NOUN
fumecheng-7021	98	16	in	in	ADP
fumecheng-7021	98	17	tangential	tangential	ADJ
fumecheng-7021	98	18	direction	direction	NOUN
fumecheng-7021	98	19	will	will	AUX
fumecheng-7021	98	20	hinder	hinder	VERB
fumecheng-7021	98	21	this	this	DET
fumecheng-7021	98	22	movement	movement	NOUN
fumecheng-7021	98	23	.	.	PUNCT
fumecheng-7021	99	1	because	because	SCONJ
fumecheng-7021	99	2	the	the	DET
fumecheng-7021	99	3	plates	plate	NOUN
fumecheng-7021	99	4	are	be	AUX
fumecheng-7021	99	5	rigid	rigid	ADJ
fumecheng-7021	99	6	,	,	PUNCT
fumecheng-7021	99	7	the	the	DET
fumecheng-7021	99	8	moment	moment	NOUN
fumecheng-7021	99	9	arms	arm	NOUN
fumecheng-7021	99	10	of	of	ADP
fumecheng-7021	99	11	tangential	tangential	ADJ
fumecheng-7021	99	12	stress	stress	NOUN
fumecheng-7021	99	13	are	be	AUX
fumecheng-7021	99	14	the	the	DET
fumecheng-7021	99	15	same	same	ADJ
fumecheng-7021	99	16	in	in	ADP
fumecheng-7021	99	17	each	each	DET
fumecheng-7021	99	18	contact	contact	NOUN
fumecheng-7021	99	19	interface	interface	NOUN
fumecheng-7021	99	20	.	.	PUNCT
fumecheng-7021	100	1	the	the	DET
fumecheng-7021	100	2	state	state	NOUN
fumecheng-7021	100	3	of	of	ADP
fumecheng-7021	100	4	particle	particle	NOUN
fumecheng-7021	100	5	can	can	AUX
fumecheng-7021	100	6	be	be	AUX
fumecheng-7021	100	7	determined	determine	VERB
fumecheng-7021	100	8	by	by	ADP
fumecheng-7021	100	9	comparing	compare	VERB
fumecheng-7021	100	10	the	the	DET
fumecheng-7021	100	11	tangential	tangential	ADJ
fumecheng-7021	100	12	force	force	NOUN
fumecheng-7021	100	13	needed	need	VERB
fumecheng-7021	100	14	for	for	ADP
fumecheng-7021	100	15	rotation	rotation	NOUN
fumecheng-7021	100	16	fʹx	fʹx	PROPN
fumecheng-7021	100	17	which	which	PRON
fumecheng-7021	100	18	is	be	AUX
fumecheng-7021	100	19	equal	equal	ADJ
fumecheng-7021	100	20	to	to	ADP
fumecheng-7021	100	21	'	'	PUNCT
fumecheng-7021	100	22	1	1	NUM
fumecheng-7021	100	23	2	2	NUM
fumecheng-7021	100	24	,	,	PUNCT
fumecheng-7021	100	25	(	(	PUNCT
fumecheng-7021	100	26	)	)	PUNCT
fumecheng-7021	101	1	p	p	X
fumecheng-7021	101	2	x	x	X
fumecheng-7021	101	3	m	m	VERB
fumecheng-7021	101	4	f	f	NOUN
fumecheng-7021	101	5	z	z	NOUN
fumecheng-7021	101	6	z	z	NOUN
fumecheng-7021	101	7	=	=	SYM
fumecheng-7021	101	8	−	−	PROPN
fumecheng-7021	101	9	(	(	PUNCT
fumecheng-7021	101	10	9	9	NUM
fumecheng-7021	101	11	)	)	PUNCT
fumecheng-7021	101	12	and	and	CCONJ
fumecheng-7021	101	13	maximal	maximal	ADJ
fumecheng-7021	101	14	achievable	achievable	ADJ
fumecheng-7021	101	15	tangential	tangential	ADJ
fumecheng-7021	101	16	force	force	NOUN
fumecheng-7021	101	17	μfz	μfz	X
fumecheng-7021	101	18	(	(	PUNCT
fumecheng-7021	101	19	sliding	slide	VERB
fumecheng-7021	101	20	frictional	frictional	ADJ
fumecheng-7021	101	21	force	force	NOUN
fumecheng-7021	101	22	):	):	PUNCT
fumecheng-7021	101	23	particle	particle	NOUN
fumecheng-7021	101	24	will	will	AUX
fumecheng-7021	101	25	rotate	rotate	VERB
fumecheng-7021	101	26	,	,	PUNCT
fumecheng-7021	101	27	if	if	SCONJ
fumecheng-7021	101	28			PROPN
fumecheng-7021	101	29	x	x	VERB
fumecheng-7021	101	30	zf	zf	PROPN
fumecheng-7021	101	31	f	f	PROPN
fumecheng-7021	101	32	,	,	PUNCT
fumecheng-7021	101	33	(	(	PUNCT
fumecheng-7021	101	34	10	10	NUM
fumecheng-7021	101	35	)	)	PUNCT
fumecheng-7021	101	36	where	where	SCONJ
fumecheng-7021	101	37	z1	z1	VERB
fumecheng-7021	101	38	-	-	PUNCT
fumecheng-7021	101	39	z2	z2	PROPN
fumecheng-7021	101	40	is	be	AUX
fumecheng-7021	101	41	the	the	DET
fumecheng-7021	101	42	moment	moment	NOUN
fumecheng-7021	101	43	arm	arm	NOUN
fumecheng-7021	101	44	of	of	ADP
fumecheng-7021	101	45	tangential	tangential	ADJ
fumecheng-7021	101	46	forces	force	NOUN
fumecheng-7021	101	47	.	.	PUNCT
fumecheng-7021	102	1	if	if	SCONJ
fumecheng-7021	102	2	the	the	DET
fumecheng-7021	102	3	condition	condition	NOUN
fumecheng-7021	102	4	(	(	PUNCT
fumecheng-7021	102	5	10	10	NUM
fumecheng-7021	102	6	)	)	PUNCT
fumecheng-7021	102	7	is	be	AUX
fumecheng-7021	102	8	not	not	PART
fumecheng-7021	102	9	met	meet	VERB
fumecheng-7021	102	10	,	,	PUNCT
fumecheng-7021	102	11	the	the	DET
fumecheng-7021	102	12	particle	particle	NOUN
fumecheng-7021	102	13	will	will	AUX
fumecheng-7021	102	14	generally	generally	ADV
fumecheng-7021	102	15	keep	keep	VERB
fumecheng-7021	102	16	unmoved	unmoved	ADJ
fumecheng-7021	102	17	but	but	CCONJ
fumecheng-7021	102	18	a	a	DET
fumecheng-7021	102	19	partial	partial	ADJ
fumecheng-7021	102	20	sliding	sliding	NOUN
fumecheng-7021	102	21	exists	exist	NOUN
fumecheng-7021	102	22	.	.	PUNCT
fumecheng-7021	103	1	then	then	ADV
fumecheng-7021	103	2	the	the	DET
fumecheng-7021	103	3	tangential	tangential	ADJ
fumecheng-7021	103	4	stress	stress	NOUN
fumecheng-7021	103	5	distribution	distribution	NOUN
fumecheng-7021	103	6	and	and	CCONJ
fumecheng-7021	103	7	a	a	DET
fumecheng-7021	103	8	stick	stick	NOUN
fumecheng-7021	103	9	and	and	CCONJ
fumecheng-7021	103	10	slip	slip	NOUN
fumecheng-7021	103	11	region	region	NOUN
fumecheng-7021	103	12	can	can	AUX
fumecheng-7021	103	13	be	be	AUX
fumecheng-7021	103	14	calculated	calculate	VERB
fumecheng-7021	103	15	with	with	ADP
fumecheng-7021	103	16	tangential	tangential	ADJ
fumecheng-7021	103	17	force	force	NOUN
fumecheng-7021	103	18	fʹx	fʹx	PROPN
fumecheng-7021	103	19	in	in	ADP
fumecheng-7021	103	20	eq	eq	ADP
fumecheng-7021	103	21	.	.	PUNCT
fumecheng-7021	104	1	(	(	PUNCT
fumecheng-7021	104	2	9	9	NUM
fumecheng-7021	104	3	)	)	PUNCT
fumecheng-7021	104	4	.	.	PUNCT
fumecheng-7021	105	1	for	for	ADP
fumecheng-7021	105	2	different	different	ADJ
fumecheng-7021	105	3	coefficients	coefficient	NOUN
fumecheng-7021	105	4	of	of	ADP
fumecheng-7021	105	5	friction	friction	NOUN
fumecheng-7021	105	6	,	,	PUNCT
fumecheng-7021	105	7	the	the	DET
fumecheng-7021	105	8	criterion	criterion	NOUN
fumecheng-7021	105	9	is	be	AUX
fumecheng-7021	105	10	basically	basically	ADV
fumecheng-7021	105	11	same	same	ADJ
fumecheng-7021	105	12	.	.	PUNCT
fumecheng-7021	106	1	the	the	DET
fumecheng-7021	106	2	tangential	tangential	ADJ
fumecheng-7021	106	3	force	force	NOUN
fumecheng-7021	106	4	needed	need	VERB
fumecheng-7021	106	5	for	for	ADP
fumecheng-7021	106	6	rotation	rotation	NOUN
fumecheng-7021	106	7	fʹx	fʹx	PROPN
fumecheng-7021	106	8	is	be	AUX
fumecheng-7021	106	9	still	still	ADV
fumecheng-7021	106	10	obtained	obtain	VERB
fumecheng-7021	106	11	from	from	ADP
fumecheng-7021	106	12	the	the	DET
fumecheng-7021	106	13	results	result	NOUN
fumecheng-7021	106	14	of	of	ADP
fumecheng-7021	106	15	normal	normal	ADJ
fumecheng-7021	106	16	contact	contact	NOUN
fumecheng-7021	106	17	in	in	ADP
fumecheng-7021	106	18	eq	eq	ADP
fumecheng-7021	106	19	.	.	PUNCT
fumecheng-7021	107	1	(	(	PUNCT
fumecheng-7021	107	2	9	9	NUM
fumecheng-7021	107	3	)	)	PUNCT
fumecheng-7021	107	4	;	;	PUNCT
fumecheng-7021	107	5	then	then	ADV
fumecheng-7021	107	6	by	by	ADP
fumecheng-7021	107	7	comparing	compare	VERB
fumecheng-7021	107	8	it	it	PRON
fumecheng-7021	107	9	with	with	ADP
fumecheng-7021	107	10	the	the	DET
fumecheng-7021	107	11	value	value	NOUN
fumecheng-7021	107	12	of	of	ADP
fumecheng-7021	107	13	μfz	μfz	NUM
fumecheng-7021	107	14	for	for	ADP
fumecheng-7021	107	15	the	the	DET
fumecheng-7021	107	16	upper	upper	ADJ
fumecheng-7021	107	17	and	and	CCONJ
fumecheng-7021	107	18	lower	low	ADJ
fumecheng-7021	107	19	interfaces	interface	NOUN
fumecheng-7021	107	20	,	,	PUNCT
fumecheng-7021	107	21	respectively	respectively	ADV
fumecheng-7021	107	22	,	,	PUNCT
fumecheng-7021	107	23	the	the	DET
fumecheng-7021	107	24	state	state	NOUN
fumecheng-7021	107	25	of	of	ADP
fumecheng-7021	107	26	particle	particle	NOUN
fumecheng-7021	107	27	is	be	AUX
fumecheng-7021	107	28	determined	determine	VERB
fumecheng-7021	107	29	:	:	PUNCT
fumecheng-7021	107	30	up	up	ADP
fumecheng-7021	107	31	low	low	ADJ
fumecheng-7021	107	32	up	up	ADP
fumecheng-7021	107	33	low	low	ADV
fumecheng-7021	107	34	up	up	ADP
fumecheng-7021	107	35	low	low	ADV
fumecheng-7021	107	36	up	up	ADP
fumecheng-7021	107	37	and	and	CCONJ
fumecheng-7021	107	38	,	,	PUNCT
fumecheng-7021	107	39	rotation	rotation	NOUN
fumecheng-7021	107	40	and	and	CCONJ
fumecheng-7021	107	41	,	,	PUNCT
fumecheng-7021	107	42	rolling	roll	VERB
fumecheng-7021	107	43	around	around	ADP
fumecheng-7021	107	44	upper	upper	ADJ
fumecheng-7021	107	45	contact	contact	NOUN
fumecheng-7021	107	46	spot	spot	NOUN
fumecheng-7021	107	47	and	and	CCONJ
fumecheng-7021	107	48	,	,	PUNCT
fumecheng-7021	107	49	rolling	roll	VERB
fumecheng-7021	107	50	around	around	ADP
fumecheng-7021	107	51	lower	low	ADJ
fumecheng-7021	107	52	contact	contact	NOUN
fumecheng-7021	107	53	spot	spot	NOUN
fumecheng-7021	108	1	a	a	DET
fumecheng-7021	108	2	x	x	X
fumecheng-7021	108	3	z	z	NOUN
fumecheng-7021	108	4	x	x	X
fumecheng-7021	108	5	z	z	NOUN
fumecheng-7021	108	6	x	x	X
fumecheng-7021	108	7	z	z	NOUN
fumecheng-7021	108	8	x	x	X
fumecheng-7021	108	9	z	z	NOUN
fumecheng-7021	108	10	x	x	X
fumecheng-7021	108	11	z	z	NOUN
fumecheng-7021	108	12	x	x	X
fumecheng-7021	108	13	z	z	NOUN
fumecheng-7021	108	14	x	x	X
fumecheng-7021	108	15	z	z	NOUN
fumecheng-7021	108	16	f	f	X
fumecheng-7021	109	1	f	f	X
fumecheng-7021	109	2	f	f	X
fumecheng-7021	110	1	f	f	X
fumecheng-7021	110	2	f	f	X
fumecheng-7021	111	1	f	f	X
fumecheng-7021	111	2	f	f	X
fumecheng-7021	112	1	f	f	X
fumecheng-7021	112	2	f	f	X
fumecheng-7021	113	1	f	f	X
fumecheng-7021	113	2	f	f	PROPN
fumecheng-7021	113	3	f	f	PROPN
fumecheng-7021	113	4	f	f	PROPN
fumecheng-7021	113	5	f	f	PROPN
fumecheng-7021	113	6			NOUN
fumecheng-7021	113	7			NOUN
fumecheng-7021	113	8			NOUN
fumecheng-7021	113	9			NOUN
fumecheng-7021	113	10			NOUN
fumecheng-7021	113	11			NOUN
fumecheng-7021	113	12			NOUN
fumecheng-7021	113	13			CCONJ
fumecheng-7021	113	14			PROPN
fumecheng-7021	114	1			PROPN
fumecheng-7021	114	2			CCONJ
fumecheng-7021	114	3			PROPN
fumecheng-7021	114	4			PROPN
fumecheng-7021	114	5			ADV
fumecheng-7021	114	6			NOUN
fumecheng-7021	115	1			PROPN
fumecheng-7021	115	2			PROPN
fumecheng-7021	115	3			PROPN
fumecheng-7021	115	4	lownd	lownd	VERB
fumecheng-7021	115	5	,	,	PUNCT
fumecheng-7021	115	6	sticking	stick	VERB
fumecheng-7021	115	7	x	x	X
fumecheng-7021	115	8	zf	zf	PROPN
fumecheng-7021	115	9	f	f	PROPN
fumecheng-7021	115	10			PROPN
fumecheng-7021	115	11	.	.	PUNCT
fumecheng-7021	116	1	(	(	PUNCT
fumecheng-7021	116	2	11	11	X
fumecheng-7021	116	3	)	)	PUNCT
fumecheng-7021	116	4	it	it	PRON
fumecheng-7021	116	5	is	be	AUX
fumecheng-7021	116	6	noted	note	VERB
fumecheng-7021	116	7	that	that	SCONJ
fumecheng-7021	116	8	the	the	DET
fumecheng-7021	116	9	contact	contact	NOUN
fumecheng-7021	116	10	spot	spot	NOUN
fumecheng-7021	116	11	is	be	AUX
fumecheng-7021	116	12	an	an	DET
fumecheng-7021	116	13	area	area	NOUN
fumecheng-7021	116	14	in	in	ADP
fumecheng-7021	116	15	this	this	DET
fumecheng-7021	116	16	case	case	NOUN
fumecheng-7021	116	17	,	,	PUNCT
fumecheng-7021	116	18	so	so	CCONJ
fumecheng-7021	116	19	if	if	SCONJ
fumecheng-7021	116	20	the	the	DET
fumecheng-7021	116	21	body	body	NOUN
fumecheng-7021	116	22	size	size	NOUN
fumecheng-7021	116	23	is	be	AUX
fumecheng-7021	116	24	much	much	ADV
fumecheng-7021	116	25	larger	large	ADJ
fumecheng-7021	116	26	than	than	ADP
fumecheng-7021	116	27	the	the	DET
fumecheng-7021	116	28	size	size	NOUN
fumecheng-7021	116	29	of	of	ADP
fumecheng-7021	116	30	contact	contact	NOUN
fumecheng-7021	116	31	,	,	PUNCT
fumecheng-7021	116	32	one	one	PRON
fumecheng-7021	116	33	can	can	AUX
fumecheng-7021	116	34	simply	simply	ADV
fumecheng-7021	116	35	let	let	VERB
fumecheng-7021	116	36	the	the	DET
fumecheng-7021	116	37	particle	particle	NOUN
fumecheng-7021	116	38	roll	roll	NOUN
fumecheng-7021	116	39	around	around	ADP
fumecheng-7021	116	40	the	the	DET
fumecheng-7021	116	41	center	center	NOUN
fumecheng-7021	116	42	of	of	ADP
fumecheng-7021	116	43	the	the	DET
fumecheng-7021	116	44	sticking	stick	VERB
fumecheng-7021	116	45	area	area	NOUN
fumecheng-7021	116	46	.	.	PUNCT
fumecheng-7021	117	1	542	542	NUM
fumecheng-7021	117	2	q.	q.	NOUN
fumecheng-7021	117	3	li	li	PROPN
fumecheng-7021	117	4	3	3	X
fumecheng-7021	117	5	.	.	PUNCT
fumecheng-7021	118	1	examples	example	NOUN
fumecheng-7021	118	2	of	of	ADP
fumecheng-7021	118	3	numerical	numerical	ADJ
fumecheng-7021	118	4	simulation	simulation	NOUN
fumecheng-7021	118	5	in	in	ADP
fumecheng-7021	118	6	this	this	DET
fumecheng-7021	118	7	section	section	NOUN
fumecheng-7021	118	8	,	,	PUNCT
fumecheng-7021	118	9	we	we	PRON
fumecheng-7021	118	10	illustrate	illustrate	VERB
fumecheng-7021	118	11	the	the	DET
fumecheng-7021	118	12	above	above	ADJ
fumecheng-7021	118	13	method	method	NOUN
fumecheng-7021	118	14	with	with	ADP
fumecheng-7021	118	15	a	a	DET
fumecheng-7021	118	16	few	few	ADJ
fumecheng-7021	118	17	examples	example	NOUN
fumecheng-7021	118	18	.	.	PUNCT
fumecheng-7021	119	1	3.1	3.1	NUM
fumecheng-7021	119	2	.	.	PUNCT
fumecheng-7021	119	3	cases	case	NOUN
fumecheng-7021	119	4	with	with	ADP
fumecheng-7021	119	5	the	the	DET
fumecheng-7021	119	6	same	same	ADJ
fumecheng-7021	119	7	coefficients	coefficient	NOUN
fumecheng-7021	119	8	of	of	ADP
fumecheng-7021	119	9	friction	friction	NOUN
fumecheng-7021	119	10	firstly	firstly	ADV
fumecheng-7021	119	11	,	,	PUNCT
fumecheng-7021	119	12	a	a	DET
fumecheng-7021	119	13	simple	simple	ADJ
fumecheng-7021	119	14	case	case	NOUN
fumecheng-7021	119	15	with	with	ADP
fumecheng-7021	119	16	the	the	DET
fumecheng-7021	119	17	same	same	ADJ
fumecheng-7021	119	18	coefficients	coefficient	NOUN
fumecheng-7021	119	19	of	of	ADP
fumecheng-7021	119	20	friction	friction	NOUN
fumecheng-7021	119	21	is	be	AUX
fumecheng-7021	119	22	simulated	simulate	VERB
fumecheng-7021	119	23	,	,	PUNCT
fumecheng-7021	119	24	μup	μup	NOUN
fumecheng-7021	119	25	=	=	SYM
fumecheng-7021	119	26	μlow	μlow	NOUN
fumecheng-7021	119	27	=	=	SYM
fumecheng-7021	119	28	μ	μ	PROPN
fumecheng-7021	119	29	.	.	PUNCT
fumecheng-7021	120	1	the	the	DET
fumecheng-7021	120	2	particle	particle	NOUN
fumecheng-7021	120	3	has	have	VERB
fumecheng-7021	120	4	only	only	ADV
fumecheng-7021	120	5	two	two	NUM
fumecheng-7021	120	6	states	state	NOUN
fumecheng-7021	120	7	:	:	PUNCT
fumecheng-7021	120	8	rotation	rotation	NOUN
fumecheng-7021	120	9	or	or	CCONJ
fumecheng-7021	120	10	keeping	keep	VERB
fumecheng-7021	120	11	unmoved	unmoved	ADJ
fumecheng-7021	120	12	.	.	PUNCT
fumecheng-7021	121	1	in	in	ADP
fumecheng-7021	121	2	the	the	DET
fumecheng-7021	121	3	simulation	simulation	NOUN
fumecheng-7021	121	4	external	external	ADJ
fumecheng-7021	121	5	normal	normal	ADJ
fumecheng-7021	121	6	load	load	NOUN
fumecheng-7021	121	7	fn	fn	NOUN
fumecheng-7021	121	8	is	be	AUX
fumecheng-7021	121	9	set	set	VERB
fumecheng-7021	121	10	to	to	PART
fumecheng-7021	121	11	increase	increase	VERB
fumecheng-7021	121	12	linearly	linearly	ADV
fumecheng-7021	121	13	.	.	PUNCT
fumecheng-7021	122	1	the	the	DET
fumecheng-7021	122	2	particle	particle	NOUN
fumecheng-7021	122	3	has	have	VERB
fumecheng-7021	122	4	a	a	DET
fumecheng-7021	122	5	“	"	PUNCT
fumecheng-7021	122	6	potato	potato	NOUN
fumecheng-7021	122	7	”	"	PUNCT
fumecheng-7021	122	8	shape	shape	NOUN
fumecheng-7021	122	9	and	and	CCONJ
fumecheng-7021	122	10	its	its	PRON
fumecheng-7021	122	11	geometry	geometry	NOUN
fumecheng-7021	122	12	is	be	AUX
fumecheng-7021	122	13	symmetric	symmetric	ADJ
fumecheng-7021	122	14	with	with	ADP
fumecheng-7021	122	15	respect	respect	NOUN
fumecheng-7021	122	16	to	to	ADP
fumecheng-7021	122	17	the	the	DET
fumecheng-7021	122	18	shown	show	VERB
fumecheng-7021	122	19	plane	plane	NOUN
fumecheng-7021	122	20	.	.	PUNCT
fumecheng-7021	123	1	it	it	PRON
fumecheng-7021	123	2	is	be	AUX
fumecheng-7021	123	3	numerically	numerically	ADV
fumecheng-7021	123	4	generated	generate	VERB
fumecheng-7021	123	5	by	by	ADP
fumecheng-7021	123	6	superposition	superposition	NOUN
fumecheng-7021	123	7	of	of	ADP
fumecheng-7021	123	8	ellipsoid	ellipsoid	NOUN
fumecheng-7021	123	9	and	and	CCONJ
fumecheng-7021	123	10	sine	sine	ADJ
fumecheng-7021	123	11	waves	wave	NOUN
fumecheng-7021	123	12	with	with	ADP
fumecheng-7021	123	13	comparable	comparable	ADJ
fumecheng-7021	123	14	wavelength	wavelength	NOUN
fumecheng-7021	123	15	and	and	CCONJ
fumecheng-7021	123	16	amplitude	amplitude	NOUN
fumecheng-7021	123	17	.	.	PUNCT
fumecheng-7021	124	1	in	in	ADP
fumecheng-7021	124	2	each	each	DET
fumecheng-7021	124	3	compression	compression	NOUN
fumecheng-7021	124	4	step	step	NOUN
fumecheng-7021	124	5	,	,	PUNCT
fumecheng-7021	124	6	the	the	DET
fumecheng-7021	124	7	contact	contact	NOUN
fumecheng-7021	124	8	area	area	NOUN
fumecheng-7021	124	9	,	,	PUNCT
fumecheng-7021	124	10	a	a	DET
fumecheng-7021	124	11	stick	stick	NOUN
fumecheng-7021	124	12	and	and	CCONJ
fumecheng-7021	124	13	slip	slip	NOUN
fumecheng-7021	124	14	region	region	NOUN
fumecheng-7021	124	15	and	and	CCONJ
fumecheng-7021	124	16	the	the	DET
fumecheng-7021	124	17	tangential	tangential	ADJ
fumecheng-7021	124	18	force	force	NOUN
fumecheng-7021	124	19	are	be	AUX
fumecheng-7021	124	20	calculated	calculate	VERB
fumecheng-7021	124	21	.	.	PUNCT
fumecheng-7021	125	1	fig	fig	NOUN
fumecheng-7021	125	2	.	.	PUNCT
fumecheng-7021	126	1	3a	3a	PROPN
fumecheng-7021	126	2	shows	show	VERB
fumecheng-7021	126	3	the	the	DET
fumecheng-7021	126	4	dependence	dependence	NOUN
fumecheng-7021	126	5	of	of	ADP
fumecheng-7021	126	6	the	the	DET
fumecheng-7021	126	7	ratio	ratio	NOUN
fumecheng-7021	126	8	of	of	ADP
fumecheng-7021	126	9	tangential	tangential	ADJ
fumecheng-7021	126	10	force	force	NOUN
fumecheng-7021	126	11	and	and	CCONJ
fumecheng-7021	126	12	normal	normal	ADJ
fumecheng-7021	126	13	force	force	NOUN
fumecheng-7021	126	14	multiplied	multiply	VERB
fumecheng-7021	126	15	by	by	ADP
fumecheng-7021	126	16	coefficient	coefficient	NOUN
fumecheng-7021	126	17	of	of	ADP
fumecheng-7021	126	18	friction	friction	NOUN
fumecheng-7021	126	19	ft/(fn	ft/(fn	PROPN
fumecheng-7021	126	20	)	)	PUNCT
fumecheng-7021	126	21	on	on	ADP
fumecheng-7021	126	22	the	the	DET
fumecheng-7021	126	23	compression	compression	NOUN
fumecheng-7021	126	24	distance	distance	NOUN
fumecheng-7021	126	25	.	.	PUNCT
fumecheng-7021	127	1	the	the	DET
fumecheng-7021	127	2	distance	distance	NOUN
fumecheng-7021	127	3	of	of	ADP
fumecheng-7021	127	4	the	the	DET
fumecheng-7021	127	5	horizontal	horizontal	ADJ
fumecheng-7021	127	6	coordinate	coordinate	NOUN
fumecheng-7021	127	7	is	be	AUX
fumecheng-7021	127	8	normalized	normalize	VERB
fumecheng-7021	127	9	by	by	ADP
fumecheng-7021	127	10	initial	initial	ADJ
fumecheng-7021	127	11	gap	gap	NOUN
fumecheng-7021	127	12	d0	d0	NOUN
fumecheng-7021	127	13	.	.	PUNCT
fumecheng-7021	128	1	the	the	DET
fumecheng-7021	128	2	value	value	NOUN
fumecheng-7021	128	3	of	of	ADP
fumecheng-7021	128	4	ft/(fn	ft/(fn	PROPN
fumecheng-7021	128	5	)	)	PUNCT
fumecheng-7021	128	6	indicates	indicate	VERB
fumecheng-7021	128	7	the	the	DET
fumecheng-7021	128	8	state	state	NOUN
fumecheng-7021	128	9	of	of	ADP
fumecheng-7021	128	10	particle	particle	NOUN
fumecheng-7021	128	11	:	:	PUNCT
fumecheng-7021	128	12	ft/(fn)<1	ft/(fn)<1	NUM
fumecheng-7021	128	13	(	(	PUNCT
fumecheng-7021	128	14	gray	gray	ADJ
fumecheng-7021	128	15	region	region	NOUN
fumecheng-7021	128	16	)	)	PUNCT
fumecheng-7021	128	17	for	for	ADP
fumecheng-7021	128	18	a	a	DET
fumecheng-7021	128	19	general	general	ADJ
fumecheng-7021	128	20	sticking	stick	VERB
fumecheng-7021	128	21	state	state	NOUN
fumecheng-7021	128	22	(	(	PUNCT
fumecheng-7021	128	23	actually	actually	ADV
fumecheng-7021	128	24	in	in	ADP
fumecheng-7021	128	25	a	a	DET
fumecheng-7021	128	26	partial	partial	ADJ
fumecheng-7021	128	27	sticking	stick	VERB
fumecheng-7021	128	28	state	state	NOUN
fumecheng-7021	128	29	)	)	PUNCT
fumecheng-7021	128	30	,	,	PUNCT
fumecheng-7021	128	31	and	and	CCONJ
fumecheng-7021	128	32	ft/(fn)=1	ft/(fn)=1	PROPN
fumecheng-7021	128	33	(	(	PUNCT
fumecheng-7021	128	34	red	red	ADJ
fumecheng-7021	128	35	line	line	NOUN
fumecheng-7021	128	36	)	)	PUNCT
fumecheng-7021	128	37	for	for	ADP
fumecheng-7021	128	38	rotation	rotation	NOUN
fumecheng-7021	128	39	.	.	PUNCT
fumecheng-7021	129	1	it	it	PRON
fumecheng-7021	129	2	is	be	AUX
fumecheng-7021	129	3	seen	see	VERB
fumecheng-7021	129	4	that	that	SCONJ
fumecheng-7021	129	5	the	the	DET
fumecheng-7021	129	6	particle	particle	NOUN
fumecheng-7021	129	7	is	be	AUX
fumecheng-7021	129	8	in	in	ADP
fumecheng-7021	129	9	a	a	DET
fumecheng-7021	129	10	state	state	NOUN
fumecheng-7021	129	11	of	of	ADP
fumecheng-7021	129	12	stick	stick	NOUN
fumecheng-7021	129	13	at	at	ADP
fumecheng-7021	129	14	the	the	DET
fumecheng-7021	129	15	first	first	ADJ
fumecheng-7021	129	16	contact	contact	NOUN
fumecheng-7021	129	17	under	under	ADP
fumecheng-7021	129	18	a	a	DET
fumecheng-7021	129	19	very	very	ADV
fumecheng-7021	129	20	tiny	tiny	ADJ
fumecheng-7021	129	21	load	load	NOUN
fumecheng-7021	129	22	.	.	PUNCT
fumecheng-7021	130	1	if	if	SCONJ
fumecheng-7021	130	2	the	the	DET
fumecheng-7021	130	3	particle	particle	NOUN
fumecheng-7021	130	4	is	be	AUX
fumecheng-7021	130	5	rigid	rigid	ADJ
fumecheng-7021	130	6	,	,	PUNCT
fumecheng-7021	130	7	it	it	PRON
fumecheng-7021	130	8	will	will	AUX
fumecheng-7021	130	9	always	always	ADV
fumecheng-7021	130	10	stay	stay	VERB
fumecheng-7021	130	11	in	in	ADP
fumecheng-7021	130	12	this	this	DET
fumecheng-7021	130	13	state	state	NOUN
fumecheng-7021	130	14	no	no	ADV
fumecheng-7021	130	15	matter	matter	ADV
fumecheng-7021	130	16	how	how	SCONJ
fumecheng-7021	130	17	large	large	ADJ
fumecheng-7021	130	18	the	the	DET
fumecheng-7021	130	19	load	load	NOUN
fumecheng-7021	130	20	is	be	AUX
fumecheng-7021	130	21	.	.	PUNCT
fumecheng-7021	131	1	but	but	CCONJ
fumecheng-7021	131	2	in	in	ADP
fumecheng-7021	131	3	this	this	DET
fumecheng-7021	131	4	case	case	NOUN
fumecheng-7021	131	5	of	of	ADP
fumecheng-7021	131	6	a	a	DET
fumecheng-7021	131	7	soft	soft	ADJ
fumecheng-7021	131	8	body	body	NOUN
fumecheng-7021	131	9	,	,	PUNCT
fumecheng-7021	131	10	we	we	PRON
fumecheng-7021	131	11	can	can	AUX
fumecheng-7021	131	12	see	see	VERB
fumecheng-7021	131	13	that	that	SCONJ
fumecheng-7021	131	14	the	the	DET
fumecheng-7021	131	15	particle	particle	NOUN
fumecheng-7021	131	16	has	have	VERB
fumecheng-7021	131	17	a	a	DET
fumecheng-7021	131	18	few	few	ADJ
fumecheng-7021	131	19	rotations	rotation	NOUN
fumecheng-7021	131	20	during	during	ADP
fumecheng-7021	131	21	the	the	DET
fumecheng-7021	131	22	compression	compression	NOUN
fumecheng-7021	131	23	.	.	PUNCT
fumecheng-7021	132	1	observing	observe	VERB
fumecheng-7021	132	2	states	state	NOUN
fumecheng-7021	132	3	a	a	PRON
fumecheng-7021	132	4	and	and	CCONJ
fumecheng-7021	132	5	b	b	NOUN
fumecheng-7021	132	6	marked	mark	VERB
fumecheng-7021	132	7	in	in	ADP
fumecheng-7021	132	8	the	the	DET
fumecheng-7021	132	9	curve	curve	NOUN
fumecheng-7021	132	10	(	(	PUNCT
fumecheng-7021	132	11	or	or	CCONJ
fumecheng-7021	132	12	similar	similar	ADJ
fumecheng-7021	132	13	series	series	NOUN
fumecheng-7021	132	14	c	c	PROPN
fumecheng-7021	132	15	-	-	PUNCT
fumecheng-7021	132	16	d	d	NOUN
fumecheng-7021	132	17	-	-	PUNCT
fumecheng-7021	132	18	e	e	NOUN
fumecheng-7021	132	19	)	)	PUNCT
fumecheng-7021	132	20	and	and	CCONJ
fumecheng-7021	132	21	corresponding	correspond	VERB
fumecheng-7021	132	22	contact	contact	NOUN
fumecheng-7021	132	23	areas	area	NOUN
fumecheng-7021	132	24	in	in	ADP
fumecheng-7021	132	25	fig.3b	fig.3b	NUM
fumecheng-7021	132	26	,	,	PUNCT
fumecheng-7021	132	27	the	the	DET
fumecheng-7021	132	28	particle	particle	NOUN
fumecheng-7021	132	29	has	have	VERB
fumecheng-7021	132	30	the	the	DET
fumecheng-7021	132	31	following	follow	VERB
fumecheng-7021	132	32	behavior	behavior	NOUN
fumecheng-7021	132	33	:	:	PUNCT
fumecheng-7021	132	34	initially	initially	ADV
fumecheng-7021	132	35	it	it	PRON
fumecheng-7021	132	36	is	be	AUX
fumecheng-7021	132	37	in	in	ADP
fumecheng-7021	132	38	a	a	DET
fumecheng-7021	132	39	state	state	NOUN
fumecheng-7021	132	40	of	of	ADP
fumecheng-7021	132	41	sticking	stick	VERB
fumecheng-7021	132	42	,	,	PUNCT
fumecheng-7021	132	43	then	then	ADV
fumecheng-7021	132	44	the	the	DET
fumecheng-7021	132	45	tangential	tangential	ADJ
fumecheng-7021	132	46	force	force	NOUN
fumecheng-7021	132	47	increases	increase	VERB
fumecheng-7021	132	48	during	during	ADP
fumecheng-7021	132	49	compression	compression	NOUN
fumecheng-7021	132	50	and	and	CCONJ
fumecheng-7021	132	51	approaching	approach	VERB
fumecheng-7021	132	52	to	to	ADP
fumecheng-7021	132	53	the	the	DET
fumecheng-7021	132	54	value	value	NOUN
fumecheng-7021	132	55	of	of	ADP
fumecheng-7021	132	56	fn	fn	PROPN
fumecheng-7021	132	57	while	while	SCONJ
fumecheng-7021	132	58	the	the	DET
fumecheng-7021	132	59	sticking	stick	VERB
fumecheng-7021	132	60	region	region	NOUN
fumecheng-7021	132	61	in	in	ADP
fumecheng-7021	132	62	the	the	DET
fumecheng-7021	132	63	contact	contact	NOUN
fumecheng-7021	132	64	area	area	NOUN
fumecheng-7021	132	65	shrinks	shrink	VERB
fumecheng-7021	132	66	until	until	SCONJ
fumecheng-7021	132	67	rotation	rotation	NOUN
fumecheng-7021	132	68	occurs	occur	VERB
fumecheng-7021	132	69	.	.	PUNCT
fumecheng-7021	133	1	this	this	DET
fumecheng-7021	133	2	phenomenon	phenomenon	NOUN
fumecheng-7021	133	3	repeats	repeat	VERB
fumecheng-7021	133	4	several	several	ADJ
fumecheng-7021	133	5	times	time	NOUN
fumecheng-7021	133	6	and	and	CCONJ
fumecheng-7021	133	7	finally	finally	ADV
fumecheng-7021	133	8	the	the	DET
fumecheng-7021	133	9	particle	particle	NOUN
fumecheng-7021	133	10	stays	stay	VERB
fumecheng-7021	133	11	“	"	PUNCT
fumecheng-7021	133	12	stable	stable	ADJ
fumecheng-7021	133	13	”	"	PUNCT
fumecheng-7021	133	14	between	between	ADP
fumecheng-7021	133	15	the	the	DET
fumecheng-7021	133	16	plates	plate	NOUN
fumecheng-7021	133	17	while	while	SCONJ
fumecheng-7021	133	18	the	the	DET
fumecheng-7021	133	19	tangential	tangential	ADJ
fumecheng-7021	133	20	force	force	NOUN
fumecheng-7021	133	21	decreases	decrease	VERB
fumecheng-7021	133	22	(	(	PUNCT
fumecheng-7021	133	23	state	state	NOUN
fumecheng-7021	133	24	f	f	PROPN
fumecheng-7021	133	25	)	)	PUNCT
fumecheng-7021	133	26	.	.	PUNCT
fumecheng-7021	134	1	a	a	DET
fumecheng-7021	134	2	)	)	PUNCT
fumecheng-7021	134	3	b	b	NOUN
fumecheng-7021	134	4	)	)	PUNCT
fumecheng-7021	134	5	fig	fig	NOUN
fumecheng-7021	134	6	.	.	PUNCT
fumecheng-7021	135	1	3	3	NUM
fumecheng-7021	135	2	simulation	simulation	NOUN
fumecheng-7021	135	3	of	of	ADP
fumecheng-7021	135	4	a	a	DET
fumecheng-7021	135	5	single	single	ADJ
fumecheng-7021	135	6	particle	particle	NOUN
fumecheng-7021	135	7	in	in	ADP
fumecheng-7021	135	8	compression	compression	NOUN
fumecheng-7021	135	9	:	:	PUNCT
fumecheng-7021	135	10	(	(	PUNCT
fumecheng-7021	135	11	a	a	X
fumecheng-7021	135	12	)	)	PUNCT
fumecheng-7021	135	13	dependence	dependence	NOUN
fumecheng-7021	135	14	of	of	ADP
fumecheng-7021	135	15	ft/(fn	ft/(fn	PROPN
fumecheng-7021	135	16	)	)	PUNCT
fumecheng-7021	135	17	on	on	ADP
fumecheng-7021	135	18	the	the	DET
fumecheng-7021	135	19	compression	compression	NOUN
fumecheng-7021	135	20	distance	distance	NOUN
fumecheng-7021	135	21	;	;	PUNCT
fumecheng-7021	135	22	(	(	PUNCT
fumecheng-7021	135	23	b	b	X
fumecheng-7021	135	24	)	)	PUNCT
fumecheng-7021	135	25	contact	contact	NOUN
fumecheng-7021	135	26	configurations	configuration	NOUN
fumecheng-7021	135	27	corresponding	correspond	VERB
fumecheng-7021	135	28	to	to	ADP
fumecheng-7021	135	29	the	the	DET
fumecheng-7021	135	30	states	state	NOUN
fumecheng-7021	135	31	marked	mark	VERB
fumecheng-7021	135	32	in	in	ADP
fumecheng-7021	135	33	fig.3a	fig.3a	PROPN
fumecheng-7021	135	34	examples	example	NOUN
fumecheng-7021	135	35	with	with	ADP
fumecheng-7021	135	36	smaller	small	ADJ
fumecheng-7021	135	37	values	value	NOUN
fumecheng-7021	135	38	of	of	ADP
fumecheng-7021	135	39	coefficient	coefficient	NOUN
fumecheng-7021	135	40	of	of	ADP
fumecheng-7021	135	41	friction	friction	NOUN
fumecheng-7021	135	42	are	be	AUX
fumecheng-7021	135	43	shown	show	VERB
fumecheng-7021	135	44	in	in	ADP
fumecheng-7021	135	45	fig	fig	NOUN
fumecheng-7021	135	46	.	.	PUNCT
fumecheng-7021	136	1	4	4	X
fumecheng-7021	136	2	.	.	X
fumecheng-7021	136	3	other	other	ADJ
fumecheng-7021	136	4	parameters	parameter	NOUN
fumecheng-7021	136	5	remain	remain	VERB
fumecheng-7021	136	6	unchanged	unchanged	ADJ
fumecheng-7021	136	7	.	.	PUNCT
fumecheng-7021	137	1	it	it	PRON
fumecheng-7021	137	2	is	be	AUX
fumecheng-7021	137	3	observed	observe	VERB
fumecheng-7021	137	4	that	that	SCONJ
fumecheng-7021	137	5	the	the	DET
fumecheng-7021	137	6	particle	particle	NOUN
fumecheng-7021	137	7	rotates	rotate	VERB
fumecheng-7021	137	8	at	at	ADP
fumecheng-7021	137	9	the	the	DET
fumecheng-7021	137	10	first	first	ADJ
fumecheng-7021	137	11	contact	contact	NOUN
fumecheng-7021	137	12	:	:	PUNCT
fumecheng-7021	137	13	after	after	SCONJ
fumecheng-7021	137	14	the	the	DET
fumecheng-7021	137	15	rotation	rotation	NOUN
fumecheng-7021	137	16	by	by	ADP
fumecheng-7021	137	17	an	an	DET
fumecheng-7021	137	18	angle	angle	NOUN
fumecheng-7021	137	19	6	6	NOUN
fumecheng-7021	137	20	in	in	ADP
fumecheng-7021	137	21	the	the	DET
fumecheng-7021	137	22	case	case	NOUN
fumecheng-7021	137	23	of	of	ADP
fumecheng-7021	137	24	=0.3	=0.3	PROPN
fumecheng-7021	137	25	and	and	CCONJ
fumecheng-7021	137	26	angle	angle	VERB
fumecheng-7021	137	27	9	9	NOUN
fumecheng-7021	137	28	in	in	ADP
fumecheng-7021	137	29	the	the	DET
fumecheng-7021	137	30	case	case	NOUN
fumecheng-7021	137	31	of	of	ADP
fumecheng-7021	137	32	=0.2	=0.2	PROPN
fumecheng-7021	137	33	it	it	PRON
fumecheng-7021	137	34	comes	come	VERB
fumecheng-7021	137	35	into	into	ADP
fumecheng-7021	137	36	the	the	DET
fumecheng-7021	137	37	state	state	NOUN
fumecheng-7021	137	38	of	of	ADP
fumecheng-7021	137	39	sticking	stick	VERB
fumecheng-7021	137	40	.	.	PUNCT
fumecheng-7021	138	1	for	for	ADP
fumecheng-7021	138	2	=0.2	=0.2	PROPN
fumecheng-7021	138	3	the	the	DET
fumecheng-7021	138	4	sticking	stick	VERB
fumecheng-7021	138	5	state	state	NOUN
fumecheng-7021	138	6	keeps	keep	VERB
fumecheng-7021	138	7	in	in	ADP
fumecheng-7021	138	8	the	the	DET
fumecheng-7021	138	9	whole	whole	ADJ
fumecheng-7021	138	10	compression	compression	NOUN
fumecheng-7021	138	11	process	process	NOUN
fumecheng-7021	138	12	after	after	ADP
fumecheng-7021	138	13	the	the	DET
fumecheng-7021	138	14	simulation	simulation	NOUN
fumecheng-7021	138	15	of	of	ADP
fumecheng-7021	138	16	a	a	DET
fumecheng-7021	138	17	single	single	ADJ
fumecheng-7021	138	18	third	third	ADJ
fumecheng-7021	138	19	-	-	PUNCT
fumecheng-7021	138	20	body	body	NOUN
fumecheng-7021	138	21	particle	particle	NOUN
fumecheng-7021	138	22	in	in	ADP
fumecheng-7021	138	23	frictional	frictional	ADJ
fumecheng-7021	138	24	contact	contact	NOUN
fumecheng-7021	138	25	543	543	NUM
fumecheng-7021	138	26	initial	initial	ADJ
fumecheng-7021	138	27	rotation	rotation	NOUN
fumecheng-7021	138	28	.	.	PUNCT
fumecheng-7021	139	1	it	it	PRON
fumecheng-7021	139	2	is	be	AUX
fumecheng-7021	139	3	noted	note	VERB
fumecheng-7021	139	4	that	that	SCONJ
fumecheng-7021	139	5	the	the	DET
fumecheng-7021	139	6	tangential	tangential	ADJ
fumecheng-7021	139	7	force	force	NOUN
fumecheng-7021	139	8	in	in	ADP
fumecheng-7021	139	9	this	this	DET
fumecheng-7021	139	10	case	case	NOUN
fumecheng-7021	139	11	becomes	become	VERB
fumecheng-7021	139	12	negative	negative	ADJ
fumecheng-7021	139	13	at	at	ADP
fumecheng-7021	139	14	the	the	DET
fumecheng-7021	139	15	larger	large	ADJ
fumecheng-7021	139	16	load	load	NOUN
fumecheng-7021	139	17	,	,	PUNCT
fumecheng-7021	139	18	which	which	PRON
fumecheng-7021	139	19	indicates	indicate	VERB
fumecheng-7021	139	20	that	that	SCONJ
fumecheng-7021	139	21	the	the	DET
fumecheng-7021	139	22	tangential	tangential	ADJ
fumecheng-7021	139	23	force	force	NOUN
fumecheng-7021	139	24	decreases	decrease	VERB
fumecheng-7021	139	25	during	during	ADP
fumecheng-7021	139	26	compression	compression	NOUN
fumecheng-7021	139	27	and	and	CCONJ
fumecheng-7021	139	28	will	will	AUX
fumecheng-7021	139	29	act	act	VERB
fumecheng-7021	139	30	on	on	ADP
fumecheng-7021	139	31	the	the	DET
fumecheng-7021	139	32	surface	surface	NOUN
fumecheng-7021	139	33	in	in	ADP
fumecheng-7021	139	34	the	the	DET
fumecheng-7021	139	35	opposite	opposite	ADJ
fumecheng-7021	139	36	direction	direction	NOUN
fumecheng-7021	139	37	.	.	PUNCT
fumecheng-7021	140	1	a	a	DET
fumecheng-7021	140	2	)	)	PUNCT
fumecheng-7021	140	3	b	b	NOUN
fumecheng-7021	140	4	)	)	PUNCT
fumecheng-7021	140	5	fig	fig	NOUN
fumecheng-7021	140	6	.	.	PUNCT
fumecheng-7021	141	1	4	4	NUM
fumecheng-7021	141	2	examples	example	NOUN
fumecheng-7021	141	3	with	with	ADP
fumecheng-7021	141	4	smaller	small	ADJ
fumecheng-7021	141	5	coefficient	coefficient	NOUN
fumecheng-7021	141	6	of	of	ADP
fumecheng-7021	141	7	friction	friction	NOUN
fumecheng-7021	141	8	:	:	PUNCT
fumecheng-7021	141	9	(	(	PUNCT
fumecheng-7021	141	10	a	a	X
fumecheng-7021	141	11	)	)	PUNCT
fumecheng-7021	141	12	=0.3	=0.3	PROPN
fumecheng-7021	141	13	;	;	PUNCT
fumecheng-7021	141	14	(	(	PUNCT
fumecheng-7021	141	15	b	b	X
fumecheng-7021	141	16	)	)	PUNCT
fumecheng-7021	141	17	=0.2	=0.2	PROPN
fumecheng-7021	141	18	3.2	3.2	NUM
fumecheng-7021	141	19	.	.	PUNCT
fumecheng-7021	142	1	cases	case	NOUN
fumecheng-7021	142	2	with	with	ADP
fumecheng-7021	142	3	different	different	ADJ
fumecheng-7021	142	4	coefficients	coefficient	NOUN
fumecheng-7021	142	5	of	of	ADP
fumecheng-7021	142	6	friction	friction	NOUN
fumecheng-7021	142	7	now	now	ADV
fumecheng-7021	142	8	we	we	PRON
fumecheng-7021	142	9	consider	consider	VERB
fumecheng-7021	142	10	a	a	DET
fumecheng-7021	142	11	case	case	NOUN
fumecheng-7021	142	12	with	with	ADP
fumecheng-7021	142	13	different	different	ADJ
fumecheng-7021	142	14	coefficients	coefficient	NOUN
fumecheng-7021	142	15	of	of	ADP
fumecheng-7021	142	16	friction	friction	NOUN
fumecheng-7021	142	17	,	,	PUNCT
fumecheng-7021	142	18	up=0.2	up=0.2	PUNCT
fumecheng-7021	142	19	and	and	CCONJ
fumecheng-7021	142	20	low=0.4	low=0.4	X
fumecheng-7021	142	21	.	.	PUNCT
fumecheng-7021	143	1	the	the	DET
fumecheng-7021	143	2	external	external	ADJ
fumecheng-7021	143	3	normal	normal	ADJ
fumecheng-7021	143	4	loading	loading	NOUN
fumecheng-7021	143	5	is	be	AUX
fumecheng-7021	143	6	the	the	DET
fumecheng-7021	143	7	following	following	NOUN
fumecheng-7021	143	8	:	:	PUNCT
fumecheng-7021	143	9	the	the	DET
fumecheng-7021	143	10	normal	normal	ADJ
fumecheng-7021	143	11	force	force	NOUN
fumecheng-7021	143	12	keeps	keep	VERB
fumecheng-7021	143	13	constant	constant	ADJ
fumecheng-7021	143	14	till	till	SCONJ
fumecheng-7021	143	15	the	the	DET
fumecheng-7021	143	16	particle	particle	NOUN
fumecheng-7021	143	17	reaches	reach	VERB
fumecheng-7021	143	18	a	a	DET
fumecheng-7021	143	19	stable	stable	ADJ
fumecheng-7021	143	20	state	state	NOUN
fumecheng-7021	143	21	and	and	CCONJ
fumecheng-7021	143	22	then	then	ADV
fumecheng-7021	143	23	increases	increase	VERB
fumecheng-7021	143	24	linearly	linearly	ADV
fumecheng-7021	143	25	.	.	PUNCT
fumecheng-7021	144	1	from	from	ADP
fumecheng-7021	144	2	fig	fig	NOUN
fumecheng-7021	144	3	.	.	PUNCT
fumecheng-7021	145	1	5a	5a	NUM
fumecheng-7021	145	2	it	it	PRON
fumecheng-7021	145	3	is	be	AUX
fumecheng-7021	145	4	seen	see	VERB
fumecheng-7021	145	5	that	that	SCONJ
fumecheng-7021	145	6	under	under	ADP
fumecheng-7021	145	7	the	the	DET
fumecheng-7021	145	8	load	load	NOUN
fumecheng-7021	145	9	the	the	DET
fumecheng-7021	145	10	upper	upper	ADJ
fumecheng-7021	145	11	interface	interface	NOUN
fumecheng-7021	145	12	is	be	AUX
fumecheng-7021	145	13	in	in	ADP
fumecheng-7021	145	14	a	a	DET
fumecheng-7021	145	15	slip	slip	NOUN
fumecheng-7021	145	16	state	state	NOUN
fumecheng-7021	145	17	where	where	SCONJ
fumecheng-7021	145	18	the	the	DET
fumecheng-7021	145	19	value	value	NOUN
fumecheng-7021	145	20	of	of	ADP
fumecheng-7021	145	21	ft/(upfn	ft/(upfn	NOUN
fumecheng-7021	145	22	)	)	PUNCT
fumecheng-7021	145	23	is	be	AUX
fumecheng-7021	145	24	one	one	NUM
fumecheng-7021	145	25	(	(	PUNCT
fumecheng-7021	145	26	blue	blue	ADJ
fumecheng-7021	145	27	curve	curve	NOUN
fumecheng-7021	145	28	with	with	ADP
fumecheng-7021	145	29	stars	star	NOUN
fumecheng-7021	145	30	)	)	PUNCT
fumecheng-7021	145	31	and	and	CCONJ
fumecheng-7021	145	32	lower	low	ADJ
fumecheng-7021	145	33	interface	interface	NOUN
fumecheng-7021	145	34	in	in	ADP
fumecheng-7021	145	35	a	a	DET
fumecheng-7021	145	36	sticking	stick	VERB
fumecheng-7021	145	37	state	state	NOUN
fumecheng-7021	145	38	where	where	SCONJ
fumecheng-7021	145	39	ft/(lowfn	ft/(lowfn	X
fumecheng-7021	145	40	)	)	PUNCT
fumecheng-7021	145	41	is	be	AUX
fumecheng-7021	145	42	smaller	small	ADJ
fumecheng-7021	145	43	than	than	ADP
fumecheng-7021	145	44	one	one	NUM
fumecheng-7021	145	45	and	and	CCONJ
fumecheng-7021	145	46	decreases	decrease	NOUN
fumecheng-7021	145	47	(	(	PUNCT
fumecheng-7021	145	48	red	red	ADJ
fumecheng-7021	145	49	curve	curve	NOUN
fumecheng-7021	145	50	with	with	ADP
fumecheng-7021	145	51	triangles	triangle	NOUN
fumecheng-7021	145	52	)	)	PUNCT
fumecheng-7021	145	53	.	.	PUNCT
fumecheng-7021	146	1	this	this	DET
fumecheng-7021	146	2	rolling	rolling	NOUN
fumecheng-7021	146	3	continues	continue	VERB
fumecheng-7021	146	4	to	to	ADP
fumecheng-7021	146	5	a	a	DET
fumecheng-7021	146	6	stable	stable	ADJ
fumecheng-7021	146	7	state	state	NOUN
fumecheng-7021	146	8	point	point	NOUN
fumecheng-7021	146	9	“	"	PUNCT
fumecheng-7021	146	10	b	b	NOUN
fumecheng-7021	146	11	”	"	PUNCT
fumecheng-7021	146	12	where	where	SCONJ
fumecheng-7021	146	13	the	the	DET
fumecheng-7021	146	14	particle	particle	NOUN
fumecheng-7021	146	15	sticks	stick	NOUN
fumecheng-7021	146	16	in	in	ADP
fumecheng-7021	146	17	both	both	DET
fumecheng-7021	146	18	interfaces	interface	NOUN
fumecheng-7021	146	19	(	(	PUNCT
fumecheng-7021	146	20	fig	fig	NOUN
fumecheng-7021	146	21	.	.	PUNCT
fumecheng-7021	147	1	5b	5b	NUM
fumecheng-7021	147	2	)	)	PUNCT
fumecheng-7021	147	3	.	.	PUNCT
fumecheng-7021	148	1	with	with	ADP
fumecheng-7021	148	2	an	an	DET
fumecheng-7021	148	3	increasing	increase	VERB
fumecheng-7021	148	4	normal	normal	ADJ
fumecheng-7021	148	5	loading	loading	NOUN
fumecheng-7021	148	6	the	the	DET
fumecheng-7021	148	7	particle	particle	NOUN
fumecheng-7021	148	8	is	be	AUX
fumecheng-7021	148	9	further	far	ADV
fumecheng-7021	148	10	compressed	compress	VERB
fumecheng-7021	148	11	without	without	ADP
fumecheng-7021	148	12	rotation	rotation	NOUN
fumecheng-7021	148	13	(	(	PUNCT
fumecheng-7021	148	14	state	state	NOUN
fumecheng-7021	148	15	c	c	PROPN
fumecheng-7021	148	16	)	)	PUNCT
fumecheng-7021	148	17	.	.	PUNCT
fumecheng-7021	149	1	a	a	DET
fumecheng-7021	149	2	)	)	PUNCT
fumecheng-7021	149	3	b	b	NOUN
fumecheng-7021	149	4	)	)	PUNCT
fumecheng-7021	149	5	fig	fig	NOUN
fumecheng-7021	149	6	.	.	PUNCT
fumecheng-7021	150	1	5	5	NUM
fumecheng-7021	150	2	simulation	simulation	NOUN
fumecheng-7021	150	3	examples	example	NOUN
fumecheng-7021	150	4	with	with	ADP
fumecheng-7021	150	5	different	different	ADJ
fumecheng-7021	150	6	coefficient	coefficient	NOUN
fumecheng-7021	150	7	of	of	ADP
fumecheng-7021	150	8	friction	friction	NOUN
fumecheng-7021	150	9	in	in	ADP
fumecheng-7021	150	10	the	the	DET
fumecheng-7021	150	11	upper	upper	ADJ
fumecheng-7021	150	12	and	and	CCONJ
fumecheng-7021	150	13	lower	low	ADJ
fumecheng-7021	150	14	interfaces	interface	NOUN
fumecheng-7021	150	15	.	.	PUNCT
fumecheng-7021	151	1	(	(	PUNCT
fumecheng-7021	151	2	a	a	X
fumecheng-7021	151	3	)	)	PUNCT
fumecheng-7021	151	4	state	state	NOUN
fumecheng-7021	151	5	of	of	ADP
fumecheng-7021	151	6	particle	particle	NOUN
fumecheng-7021	151	7	during	during	ADP
fumecheng-7021	151	8	the	the	DET
fumecheng-7021	151	9	loading	loading	NOUN
fumecheng-7021	151	10	;	;	PUNCT
fumecheng-7021	151	11	(	(	PUNCT
fumecheng-7021	151	12	b	b	X
fumecheng-7021	151	13	)	)	PUNCT
fumecheng-7021	151	14	three	three	NUM
fumecheng-7021	151	15	contact	contact	NOUN
fumecheng-7021	151	16	configurations	configuration	NOUN
fumecheng-7021	151	17	corresponding	correspond	VERB
fumecheng-7021	151	18	to	to	ADP
fumecheng-7021	151	19	the	the	DET
fumecheng-7021	151	20	states	state	NOUN
fumecheng-7021	151	21	marked	mark	VERB
fumecheng-7021	151	22	in	in	ADP
fumecheng-7021	151	23	fig	fig	NOUN
fumecheng-7021	151	24	.	.	PUNCT
fumecheng-7021	152	1	5(a	5(a	NUM
fumecheng-7021	152	2	)	)	PUNCT
fumecheng-7021	152	3	544	544	NUM
fumecheng-7021	152	4	q.	q.	NOUN
fumecheng-7021	152	5	li	li	PROPN
fumecheng-7021	152	6	4	4	X
fumecheng-7021	152	7	.	.	PUNCT
fumecheng-7021	152	8	conclusion	conclusion	NOUN
fumecheng-7021	152	9	we	we	PRON
fumecheng-7021	152	10	studied	study	VERB
fumecheng-7021	152	11	a	a	DET
fumecheng-7021	152	12	simple	simple	ADJ
fumecheng-7021	152	13	case	case	NOUN
fumecheng-7021	152	14	of	of	ADP
fumecheng-7021	152	15	third	third	ADJ
fumecheng-7021	152	16	body	body	NOUN
fumecheng-7021	152	17	particle	particle	NOUN
fumecheng-7021	152	18	:	:	PUNCT
fumecheng-7021	152	19	a	a	DET
fumecheng-7021	152	20	single	single	ADJ
fumecheng-7021	152	21	deformable	deformable	ADJ
fumecheng-7021	152	22	particle	particle	NOUN
fumecheng-7021	152	23	is	be	AUX
fumecheng-7021	152	24	compressed	compress	VERB
fumecheng-7021	152	25	by	by	ADP
fumecheng-7021	152	26	two	two	NUM
fumecheng-7021	152	27	parallel	parallel	ADJ
fumecheng-7021	152	28	plates	plate	NOUN
fumecheng-7021	152	29	.	.	PUNCT
fumecheng-7021	153	1	the	the	DET
fumecheng-7021	153	2	frictional	frictional	ADJ
fumecheng-7021	153	3	contact	contact	NOUN
fumecheng-7021	153	4	of	of	ADP
fumecheng-7021	153	5	the	the	DET
fumecheng-7021	153	6	particle	particle	NOUN
fumecheng-7021	153	7	was	be	AUX
fumecheng-7021	153	8	numerically	numerically	ADV
fumecheng-7021	153	9	simulated	simulate	VERB
fumecheng-7021	153	10	by	by	ADP
fumecheng-7021	153	11	the	the	DET
fumecheng-7021	153	12	fft	fft	PROPN
fumecheng-7021	153	13	-	-	PUNCT
fumecheng-7021	153	14	assisted	assist	VERB
fumecheng-7021	153	15	bem	bem	NOUN
fumecheng-7021	153	16	.	.	PUNCT
fumecheng-7021	154	1	unlike	unlike	ADP
fumecheng-7021	154	2	the	the	DET
fumecheng-7021	154	3	rigid	rigid	ADJ
fumecheng-7021	154	4	particle	particle	NOUN
fumecheng-7021	154	5	,	,	PUNCT
fumecheng-7021	154	6	the	the	DET
fumecheng-7021	154	7	soft	soft	ADJ
fumecheng-7021	154	8	particle	particle	NOUN
fumecheng-7021	154	9	during	during	ADP
fumecheng-7021	154	10	the	the	DET
fumecheng-7021	154	11	compression	compression	NOUN
fumecheng-7021	154	12	may	may	AUX
fumecheng-7021	154	13	change	change	VERB
fumecheng-7021	154	14	its	its	PRON
fumecheng-7021	154	15	state	state	NOUN
fumecheng-7021	154	16	,	,	PUNCT
fumecheng-7021	154	17	for	for	ADP
fumecheng-7021	154	18	example	example	NOUN
fumecheng-7021	154	19	from	from	ADP
fumecheng-7021	154	20	sticking	stick	VERB
fumecheng-7021	154	21	to	to	ADP
fumecheng-7021	154	22	rolling	rolling	NOUN
fumecheng-7021	154	23	.	.	PUNCT
fumecheng-7021	155	1	the	the	DET
fumecheng-7021	155	2	normal	normal	ADJ
fumecheng-7021	155	3	and	and	CCONJ
fumecheng-7021	155	4	tangential	tangential	ADJ
fumecheng-7021	155	5	stress	stress	NOUN
fumecheng-7021	155	6	distributions	distribution	NOUN
fumecheng-7021	155	7	,	,	PUNCT
fumecheng-7021	155	8	deformation	deformation	NOUN
fumecheng-7021	155	9	of	of	ADP
fumecheng-7021	155	10	the	the	DET
fumecheng-7021	155	11	particle	particle	NOUN
fumecheng-7021	155	12	,	,	PUNCT
fumecheng-7021	155	13	and	and	CCONJ
fumecheng-7021	155	14	stick	stick	VERB
fumecheng-7021	155	15	and	and	CCONJ
fumecheng-7021	155	16	slip	slip	NOUN
fumecheng-7021	155	17	regions	region	NOUN
fumecheng-7021	155	18	were	be	AUX
fumecheng-7021	155	19	calculated	calculate	VERB
fumecheng-7021	155	20	.	.	PUNCT
fumecheng-7021	156	1	by	by	ADP
fumecheng-7021	156	2	comparing	compare	VERB
fumecheng-7021	156	3	the	the	DET
fumecheng-7021	156	4	tangential	tangential	ADJ
fumecheng-7021	156	5	force	force	NOUN
fumecheng-7021	156	6	needed	need	VERB
fumecheng-7021	156	7	for	for	ADP
fumecheng-7021	156	8	slipping	slip	VERB
fumecheng-7021	156	9	and	and	CCONJ
fumecheng-7021	156	10	the	the	DET
fumecheng-7021	156	11	maximal	maximal	ADJ
fumecheng-7021	156	12	achievable	achievable	ADJ
fumecheng-7021	156	13	tangential	tangential	ADJ
fumecheng-7021	156	14	force	force	NOUN
fumecheng-7021	156	15	,	,	PUNCT
fumecheng-7021	156	16	the	the	DET
fumecheng-7021	156	17	state	state	NOUN
fumecheng-7021	156	18	of	of	ADP
fumecheng-7021	156	19	particle	particle	NOUN
fumecheng-7021	156	20	state	state	NOUN
fumecheng-7021	156	21	was	be	AUX
fumecheng-7021	156	22	determined	determine	VERB
fumecheng-7021	156	23	.	.	PUNCT
fumecheng-7021	157	1	applications	application	NOUN
fumecheng-7021	157	2	of	of	ADP
fumecheng-7021	157	3	this	this	DET
fumecheng-7021	157	4	method	method	NOUN
fumecheng-7021	157	5	were	be	AUX
fumecheng-7021	157	6	shown	show	VERB
fumecheng-7021	157	7	with	with	ADP
fumecheng-7021	157	8	a	a	DET
fumecheng-7021	157	9	few	few	ADJ
fumecheng-7021	157	10	examples	example	NOUN
fumecheng-7021	157	11	with	with	ADP
fumecheng-7021	157	12	the	the	DET
fumecheng-7021	157	13	same	same	ADJ
fumecheng-7021	157	14	and	and	CCONJ
fumecheng-7021	157	15	different	different	ADJ
fumecheng-7021	157	16	coefficients	coefficient	NOUN
fumecheng-7021	157	17	of	of	ADP
fumecheng-7021	157	18	friction	friction	NOUN
fumecheng-7021	157	19	in	in	ADP
fumecheng-7021	157	20	the	the	DET
fumecheng-7021	157	21	upper	upper	ADJ
fumecheng-7021	157	22	and	and	CCONJ
fumecheng-7021	157	23	lower	low	ADJ
fumecheng-7021	157	24	interfaces	interface	NOUN
fumecheng-7021	157	25	.	.	PUNCT
fumecheng-7021	158	1	this	this	DET
fumecheng-7021	158	2	method	method	NOUN
fumecheng-7021	158	3	can	can	AUX
fumecheng-7021	158	4	be	be	AUX
fumecheng-7021	158	5	further	far	ADV
fumecheng-7021	158	6	developed	develop	VERB
fumecheng-7021	158	7	for	for	ADP
fumecheng-7021	158	8	the	the	DET
fumecheng-7021	158	9	simulation	simulation	NOUN
fumecheng-7021	158	10	of	of	ADP
fumecheng-7021	158	11	kinematics	kinematic	NOUN
fumecheng-7021	158	12	of	of	ADP
fumecheng-7021	158	13	multiple	multiple	ADJ
fumecheng-7021	158	14	third	third	ADJ
fumecheng-7021	158	15	-	-	PUNCT
fumecheng-7021	158	16	body	body	NOUN
fumecheng-7021	158	17	particles	particle	NOUN
fumecheng-7021	158	18	including	include	VERB
fumecheng-7021	158	19	various	various	ADJ
fumecheng-7021	158	20	sizes	size	NOUN
fumecheng-7021	158	21	of	of	ADP
fumecheng-7021	158	22	particles	particle	NOUN
fumecheng-7021	158	23	.	.	PUNCT
fumecheng-7021	159	1	references	reference	NOUN
fumecheng-7021	159	2	1	1	NUM
fumecheng-7021	159	3	.	.	PUNCT
fumecheng-7021	160	1	greenwood	greenwood	PROPN
fumecheng-7021	160	2	,	,	PUNCT
fumecheng-7021	160	3	j.a	j.a	PROPN
fumecheng-7021	160	4	.	.	PROPN
fumecheng-7021	160	5	,	,	PUNCT
fumecheng-7021	160	6	2020	2020	NUM
fumecheng-7021	160	7	,	,	PUNCT
fumecheng-7021	160	8	metal	metal	NOUN
fumecheng-7021	160	9	transfer	transfer	NOUN
fumecheng-7021	160	10	and	and	CCONJ
fumecheng-7021	160	11	wear	wear	VERB
fumecheng-7021	160	12	,	,	PUNCT
fumecheng-7021	160	13	frontiers	frontier	NOUN
fumecheng-7021	160	14	in	in	ADP
fumecheng-7021	160	15	mechanical	mechanical	ADJ
fumecheng-7021	160	16	engineering	engineering	NOUN
fumecheng-7021	160	17	,	,	PUNCT
fumecheng-7021	160	18	6	6	NUM
fumecheng-7021	160	19	,	,	PUNCT
fumecheng-7021	160	20	62	62	NUM
fumecheng-7021	160	21	.	.	NOUN
fumecheng-7021	160	22	2	2	NUM
fumecheng-7021	160	23	.	.	X
fumecheng-7021	160	24	stempflé	stempflé	NOUN
fumecheng-7021	160	25	,	,	PUNCT
fumecheng-7021	160	26	p.	p.	PROPN
fumecheng-7021	160	27	,	,	PUNCT
fumecheng-7021	160	28	von	von	PROPN
fumecheng-7021	160	29	stebut	stebut	PROPN
fumecheng-7021	160	30	,	,	PUNCT
fumecheng-7021	160	31	j.	j.	PROPN
fumecheng-7021	160	32	,	,	PUNCT
fumecheng-7021	160	33	2006	2006	NUM
fumecheng-7021	160	34	,	,	PUNCT
fumecheng-7021	160	35	nano	nano	NOUN
fumecheng-7021	160	36	-	-	ADJ
fumecheng-7021	160	37	mechanical	mechanical	ADJ
fumecheng-7021	160	38	behaviour	behaviour	NOUN
fumecheng-7021	160	39	of	of	ADP
fumecheng-7021	160	40	the	the	DET
fumecheng-7021	160	41	3rd	3rd	ADJ
fumecheng-7021	160	42	body	body	NOUN
fumecheng-7021	160	43	generated	generate	VERB
fumecheng-7021	160	44	in	in	ADP
fumecheng-7021	160	45	dry	dry	ADJ
fumecheng-7021	160	46	friction	friction	NOUN
fumecheng-7021	160	47	feedback	feedback	NOUN
fumecheng-7021	160	48	effect	effect	NOUN
fumecheng-7021	160	49	of	of	ADP
fumecheng-7021	160	50	the	the	DET
fumecheng-7021	160	51	3rd	3rd	ADJ
fumecheng-7021	160	52	body	body	NOUN
fumecheng-7021	160	53	and	and	CCONJ
fumecheng-7021	160	54	influence	influence	NOUN
fumecheng-7021	160	55	of	of	ADP
fumecheng-7021	160	56	the	the	DET
fumecheng-7021	160	57	surrounding	surround	VERB
fumecheng-7021	160	58	environment	environment	NOUN
fumecheng-7021	160	59	on	on	ADP
fumecheng-7021	160	60	the	the	DET
fumecheng-7021	160	61	tribology	tribology	NOUN
fumecheng-7021	160	62	of	of	ADP
fumecheng-7021	160	63	graphite	graphite	NOUN
fumecheng-7021	160	64	,	,	PUNCT
fumecheng-7021	160	65	wear	wear	NOUN
fumecheng-7021	160	66	,	,	PUNCT
fumecheng-7021	160	67	260	260	NUM
fumecheng-7021	160	68	,	,	PUNCT
fumecheng-7021	160	69	pp	pp	ADJ
fumecheng-7021	160	70	.	.	PUNCT
fumecheng-7021	161	1	601–614	601–614	NUM
fumecheng-7021	161	2	.	.	PUNCT
fumecheng-7021	162	1	3	3	X
fumecheng-7021	162	2	.	.	X
fumecheng-7021	162	3	pellegrin	pellegrin	NOUN
fumecheng-7021	162	4	,	,	PUNCT
fumecheng-7021	162	5	d.v.de	d.v.de	NOUN
fumecheng-7021	162	6	,	,	PUNCT
fumecheng-7021	162	7	torrance	torrance	NOUN
fumecheng-7021	162	8	,	,	PUNCT
fumecheng-7021	162	9	a.a	a.a	PROPN
fumecheng-7021	162	10	.	.	PROPN
fumecheng-7021	162	11	,	,	PUNCT
fumecheng-7021	162	12	haran	haran	PROPN
fumecheng-7021	162	13	,	,	PUNCT
fumecheng-7021	162	14	e.	e.	PROPN
fumecheng-7021	162	15	,	,	PUNCT
fumecheng-7021	162	16	2009	2009	NUM
fumecheng-7021	162	17	,	,	PUNCT
fumecheng-7021	162	18	wear	wear	VERB
fumecheng-7021	162	19	mechanisms	mechanism	NOUN
fumecheng-7021	162	20	and	and	CCONJ
fumecheng-7021	162	21	scale	scale	NOUN
fumecheng-7021	162	22	effects	effect	NOUN
fumecheng-7021	162	23	in	in	ADP
fumecheng-7021	162	24	two	two	NUM
fumecheng-7021	162	25	-	-	PUNCT
fumecheng-7021	162	26	body	body	NOUN
fumecheng-7021	162	27	abrasion	abrasion	NOUN
fumecheng-7021	162	28	,	,	PUNCT
fumecheng-7021	162	29	wear	wear	NOUN
fumecheng-7021	162	30	,	,	PUNCT
fumecheng-7021	162	31	266	266	NUM
fumecheng-7021	162	32	,	,	PUNCT
fumecheng-7021	162	33	pp	pp	ADJ
fumecheng-7021	162	34	.	.	PUNCT
fumecheng-7021	163	1	13–20	13–20	NUM
fumecheng-7021	163	2	.	.	PROPN
fumecheng-7021	163	3	4	4	NUM
fumecheng-7021	163	4	.	.	X
fumecheng-7021	163	5	ostermeyer	ostermeyer	PROPN
fumecheng-7021	163	6	,	,	PUNCT
fumecheng-7021	163	7	g.p	g.p	PROPN
fumecheng-7021	163	8	.	.	PROPN
fumecheng-7021	163	9	,	,	PUNCT
fumecheng-7021	163	10	2003	2003	NUM
fumecheng-7021	163	11	,	,	PUNCT
fumecheng-7021	163	12	on	on	ADP
fumecheng-7021	163	13	the	the	DET
fumecheng-7021	163	14	dynamics	dynamic	NOUN
fumecheng-7021	163	15	of	of	ADP
fumecheng-7021	163	16	the	the	DET
fumecheng-7021	163	17	friction	friction	NOUN
fumecheng-7021	163	18	coefficient	coefficient	NOUN
fumecheng-7021	163	19	,	,	PUNCT
fumecheng-7021	163	20	wear	wear	VERB
fumecheng-7021	163	21	,	,	PUNCT
fumecheng-7021	163	22	254	254	NUM
fumecheng-7021	163	23	,	,	PUNCT
fumecheng-7021	163	24	852–858	852–858	NUM
fumecheng-7021	163	25	.	.	NOUN
fumecheng-7021	164	1	5	5	NUM
fumecheng-7021	164	2	.	.	X
fumecheng-7021	164	3	müser	müser	PROPN
fumecheng-7021	164	4	,	,	PUNCT
fumecheng-7021	164	5	m.h	m.h	PROPN
fumecheng-7021	164	6	.	.	PROPN
fumecheng-7021	164	7	,	,	PUNCT
fumecheng-7021	164	8	wenning	wenning	NOUN
fumecheng-7021	164	9	,	,	PUNCT
fumecheng-7021	164	10	l.	l.	PROPN
fumecheng-7021	164	11	,	,	PUNCT
fumecheng-7021	164	12	robbins	robbins	PROPN
fumecheng-7021	164	13	,	,	PUNCT
fumecheng-7021	164	14	m.o	m.o	PROPN
fumecheng-7021	164	15	.	.	PROPN
fumecheng-7021	164	16	,	,	PUNCT
fumecheng-7021	164	17	2001	2001	NUM
fumecheng-7021	164	18	,	,	PUNCT
fumecheng-7021	164	19	simple	simple	ADJ
fumecheng-7021	164	20	microscopic	microscopic	ADJ
fumecheng-7021	164	21	theory	theory	NOUN
fumecheng-7021	164	22	of	of	ADP
fumecheng-7021	164	23	amonton	amonton	PROPN
fumecheng-7021	164	24	’s	’s	PART
fumecheng-7021	164	25	laws	law	NOUN
fumecheng-7021	164	26	for	for	ADP
fumecheng-7021	164	27	static	static	ADJ
fumecheng-7021	164	28	friction	friction	NOUN
fumecheng-7021	164	29	,	,	PUNCT
fumecheng-7021	164	30	physical	physical	ADJ
fumecheng-7021	164	31	review	review	NOUN
fumecheng-7021	164	32	letters	letter	NOUN
fumecheng-7021	164	33	,	,	PUNCT
fumecheng-7021	164	34	86	86	NUM
fumecheng-7021	164	35	,	,	PUNCT
fumecheng-7021	164	36	pp	pp	ADJ
fumecheng-7021	164	37	.	.	PUNCT
fumecheng-7021	165	1	1295–1298	1295–1298	NUM
fumecheng-7021	165	2	.	.	PUNCT
fumecheng-7021	166	1	6	6	NUM
fumecheng-7021	166	2	.	.	X
fumecheng-7021	166	3	shi	shi	PROPN
fumecheng-7021	166	4	,	,	PUNCT
fumecheng-7021	166	5	j.	j.	PROPN
fumecheng-7021	166	6	,	,	PUNCT
fumecheng-7021	166	7	chen	chen	PROPN
fumecheng-7021	166	8	,	,	PUNCT
fumecheng-7021	166	9	j.	j.	PROPN
fumecheng-7021	166	10	,	,	PUNCT
fumecheng-7021	166	11	wie	wie	PROPN
fumecheng-7021	166	12	,	,	PUNCT
fumecheng-7021	166	13	x.	x.	PROPN
fumecheng-7021	166	14	,	,	PUNCT
fumecheng-7021	166	15	fang	fang	PROPN
fumecheng-7021	166	16	,	,	PUNCT
fumecheng-7021	166	17	l.	l.	PROPN
fumecheng-7021	166	18	,	,	PUNCT
fumecheng-7021	166	19	sun	sun	PROPN
fumecheng-7021	166	20	,	,	PUNCT
fumecheng-7021	166	21	k.	k.	PROPN
fumecheng-7021	166	22	,	,	PUNCT
fumecheng-7021	166	23	sun	sun	PROPN
fumecheng-7021	166	24	,	,	PUNCT
fumecheng-7021	166	25	j.	j.	PROPN
fumecheng-7021	166	26	,	,	PUNCT
fumecheng-7021	166	27	han	han	PROPN
fumecheng-7021	166	28	,	,	PUNCT
fumecheng-7021	166	29	j.	j.	PROPN
fumecheng-7021	166	30	,	,	PUNCT
fumecheng-7021	166	31	2017	2017	NUM
fumecheng-7021	166	32	,	,	PUNCT
fumecheng-7021	166	33	influence	influence	NOUN
fumecheng-7021	166	34	of	of	ADP
fumecheng-7021	166	35	normal	normal	ADJ
fumecheng-7021	166	36	load	load	NOUN
fumecheng-7021	166	37	on	on	ADP
fumecheng-7021	166	38	the	the	DET
fumecheng-7021	166	39	three	three	NUM
fumecheng-7021	166	40	-	-	PUNCT
fumecheng-7021	166	41	body	body	NOUN
fumecheng-7021	166	42	abrasion	abrasion	NOUN
fumecheng-7021	166	43	behaviour	behaviour	NOUN
fumecheng-7021	166	44	of	of	ADP
fumecheng-7021	166	45	monocrystalline	monocrystalline	ADJ
fumecheng-7021	166	46	silicon	silicon	NOUN
fumecheng-7021	166	47	with	with	ADP
fumecheng-7021	166	48	ellipsoidal	ellipsoidal	ADJ
fumecheng-7021	166	49	particle	particle	NOUN
fumecheng-7021	166	50	,	,	PUNCT
fumecheng-7021	166	51	royal	royal	ADJ
fumecheng-7021	166	52	society	society	NOUN
fumecheng-7021	166	53	of	of	ADP
fumecheng-7021	166	54	chemistry	chemistry	NOUN
fumecheng-7021	166	55	advances	advance	NOUN
fumecheng-7021	166	56	,	,	PUNCT
fumecheng-7021	166	57	7	7	NUM
fumecheng-7021	166	58	,	,	PUNCT
fumecheng-7021	166	59	pp	pp	ADJ
fumecheng-7021	166	60	.	.	PUNCT
fumecheng-7021	167	1	30929–30940	30929–30940	NUM
fumecheng-7021	167	2	.	.	PUNCT
fumecheng-7021	168	1	7	7	X
fumecheng-7021	168	2	.	.	X
fumecheng-7021	168	3	fang	fang	PROPN
fumecheng-7021	168	4	,	,	PUNCT
fumecheng-7021	168	5	l.	l.	PROPN
fumecheng-7021	168	6	,	,	PUNCT
fumecheng-7021	168	7	liu	liu	PROPN
fumecheng-7021	168	8	,	,	PUNCT
fumecheng-7021	168	9	w.	w.	PROPN
fumecheng-7021	168	10	,	,	PUNCT
fumecheng-7021	168	11	du	du	PROPN
fumecheng-7021	168	12	,	,	PUNCT
fumecheng-7021	168	13	d.	d.	PROPN
fumecheng-7021	168	14	,	,	PUNCT
fumecheng-7021	168	15	zhang	zhang	PROPN
fumecheng-7021	168	16	,	,	PUNCT
fumecheng-7021	168	17	x.	x.	PROPN
fumecheng-7021	168	18	,	,	PUNCT
fumecheng-7021	168	19	xue	xue	PROPN
fumecheng-7021	168	20	,	,	PUNCT
fumecheng-7021	168	21	q.	q.	PROPN
fumecheng-7021	168	22	,	,	PUNCT
fumecheng-7021	168	23	2004	2004	NUM
fumecheng-7021	168	24	,	,	PUNCT
fumecheng-7021	168	25	predicting	predict	VERB
fumecheng-7021	168	26	three	three	NUM
fumecheng-7021	168	27	-	-	PUNCT
fumecheng-7021	168	28	body	body	NOUN
fumecheng-7021	168	29	abrasive	abrasive	NOUN
fumecheng-7021	168	30	wear	wear	NOUN
fumecheng-7021	168	31	using	use	VERB
fumecheng-7021	168	32	monte	monte	PROPN
fumecheng-7021	168	33	carlo	carlo	PROPN
fumecheng-7021	168	34	methods	method	NOUN
fumecheng-7021	168	35	,	,	PUNCT
fumecheng-7021	168	36	wear	wear	NOUN
fumecheng-7021	168	37	,	,	PUNCT
fumecheng-7021	168	38	256	256	NUM
fumecheng-7021	168	39	,	,	PUNCT
fumecheng-7021	168	40	pp	pp	ADJ
fumecheng-7021	168	41	.	.	PUNCT
fumecheng-7021	169	1	685–694	685–694	NUM
fumecheng-7021	169	2	.	.	NOUN
fumecheng-7021	169	3	8	8	NUM
fumecheng-7021	169	4	.	.	X
fumecheng-7021	169	5	tergeist	tergeist	NOUN
fumecheng-7021	169	6	,	,	PUNCT
fumecheng-7021	169	7	m.	m.	NOUN
fumecheng-7021	169	8	,	,	PUNCT
fumecheng-7021	169	9	müller	müller	PROPN
fumecheng-7021	169	10	,	,	PUNCT
fumecheng-7021	169	11	m.	m.	NOUN
fumecheng-7021	169	12	,	,	PUNCT
fumecheng-7021	169	13	ostermeyer	ostermeyer	NOUN
fumecheng-7021	169	14	,	,	PUNCT
fumecheng-7021	169	15	g.p	g.p	PROPN
fumecheng-7021	169	16	.	.	PROPN
fumecheng-7021	169	17	,	,	PUNCT
fumecheng-7021	169	18	2013	2013	NUM
fumecheng-7021	169	19	,	,	PUNCT
fumecheng-7021	169	20	modeling	modeling	NOUN
fumecheng-7021	169	21	of	of	ADP
fumecheng-7021	169	22	the	the	DET
fumecheng-7021	169	23	wear	wear	NOUN
fumecheng-7021	169	24	particle	particle	NOUN
fumecheng-7021	169	25	flow	flow	NOUN
fumecheng-7021	169	26	in	in	ADP
fumecheng-7021	169	27	tribological	tribological	ADJ
fumecheng-7021	169	28	contacts	contact	NOUN
fumecheng-7021	169	29	,	,	PUNCT
fumecheng-7021	169	30	proceeding	proceed	VERB
fumecheng-7021	169	31	in	in	ADP
fumecheng-7021	169	32	applied	apply	VERB
fumecheng-7021	169	33	mathematics	mathematic	NOUN
fumecheng-7021	169	34	and	and	CCONJ
fumecheng-7021	169	35	mechanics	mechanic	NOUN
fumecheng-7021	169	36	,	,	PUNCT
fumecheng-7021	169	37	13	13	NUM
fumecheng-7021	169	38	,	,	PUNCT
fumecheng-7021	169	39	pp	pp	ADJ
fumecheng-7021	169	40	.	.	PUNCT
fumecheng-7021	170	1	123–124	123–124	NUM
fumecheng-7021	170	2	.	.	NOUN
fumecheng-7021	171	1	9	9	NUM
fumecheng-7021	171	2	.	.	X
fumecheng-7021	171	3	deng	deng	PROPN
fumecheng-7021	171	4	,	,	PUNCT
fumecheng-7021	171	5	f.	f.	PROPN
fumecheng-7021	171	6	,	,	PUNCT
fumecheng-7021	171	7	tsekenis	tsekenis	PROPN
fumecheng-7021	171	8	,	,	PUNCT
fumecheng-7021	171	9	g.	g.	PROPN
fumecheng-7021	171	10	,	,	PUNCT
fumecheng-7021	171	11	rubinstein	rubinstein	PROPN
fumecheng-7021	171	12	,	,	PUNCT
fumecheng-7021	171	13	s.m	s.m	PROPN
fumecheng-7021	171	14	.	.	PROPN
fumecheng-7021	171	15	,	,	PUNCT
fumecheng-7021	171	16	2019	2019	NUM
fumecheng-7021	171	17	,	,	PUNCT
fumecheng-7021	171	18	simple	simple	ADJ
fumecheng-7021	171	19	law	law	NOUN
fumecheng-7021	171	20	for	for	ADP
fumecheng-7021	171	21	third	third	ADJ
fumecheng-7021	171	22	-	-	PUNCT
fumecheng-7021	171	23	body	body	NOUN
fumecheng-7021	171	24	friction	friction	NOUN
fumecheng-7021	171	25	,	,	PUNCT
fumecheng-7021	171	26	physical	physical	ADJ
fumecheng-7021	171	27	review	review	NOUN
fumecheng-7021	171	28	letters	letter	NOUN
fumecheng-7021	171	29	,	,	PUNCT
fumecheng-7021	171	30	122	122	NUM
fumecheng-7021	171	31	,	,	PUNCT
fumecheng-7021	171	32	135503	135503	NUM
fumecheng-7021	171	33	.	.	PUNCT
fumecheng-7021	172	1	10	10	NUM
fumecheng-7021	172	2	.	.	X
fumecheng-7021	173	1	popov	popov	PROPN
fumecheng-7021	173	2	,	,	PUNCT
fumecheng-7021	173	3	v.l	v.l	PROPN
fumecheng-7021	173	4	.	.	PROPN
fumecheng-7021	173	5	,	,	PUNCT
fumecheng-7021	173	6	2020	2020	NUM
fumecheng-7021	173	7	,	,	PUNCT
fumecheng-7021	173	8	coefficients	coefficient	NOUN
fumecheng-7021	173	9	of	of	ADP
fumecheng-7021	173	10	restitution	restitution	NOUN
fumecheng-7021	173	11	in	in	ADP
fumecheng-7021	173	12	normal	normal	ADJ
fumecheng-7021	173	13	adhesive	adhesive	ADJ
fumecheng-7021	173	14	impact	impact	NOUN
fumecheng-7021	173	15	between	between	ADP
fumecheng-7021	173	16	smooth	smooth	ADJ
fumecheng-7021	173	17	and	and	CCONJ
fumecheng-7021	173	18	rough	rough	ADJ
fumecheng-7021	173	19	elastic	elastic	ADJ
fumecheng-7021	173	20	bodies	body	NOUN
fumecheng-7021	173	21	,	,	PUNCT
fumecheng-7021	173	22	reports	report	NOUN
fumecheng-7021	173	23	in	in	ADP
fumecheng-7021	173	24	mechanical	mechanical	ADJ
fumecheng-7021	173	25	engineering	engineering	NOUN
fumecheng-7021	173	26	,	,	PUNCT
fumecheng-7021	173	27	1(1	1(1	NUM
fumecheng-7021	173	28	)	)	PUNCT
fumecheng-7021	173	29	,	,	PUNCT
fumecheng-7021	173	30	pp	pp	ADP
fumecheng-7021	173	31	.	.	PUNCT
fumecheng-7021	174	1	103	103	NUM
fumecheng-7021	174	2	-	-	SYM
fumecheng-7021	174	3	109	109	NUM
fumecheng-7021	174	4	.	.	PUNCT
fumecheng-7021	175	1	11	11	NUM
fumecheng-7021	175	2	.	.	PUNCT
fumecheng-7021	176	1	wang	wang	PROPN
fumecheng-7021	176	2	,	,	PUNCT
fumecheng-7021	176	3	q.	q.	PROPN
fumecheng-7021	176	4	,	,	PUNCT
fumecheng-7021	176	5	sun	sun	PROPN
fumecheng-7021	176	6	,	,	PUNCT
fumecheng-7021	176	7	l.	l.	PROPN
fumecheng-7021	176	8	,	,	PUNCT
fumecheng-7021	176	9	zhang	zhang	PROPN
fumecheng-7021	176	10	,	,	PUNCT
fumecheng-7021	176	11	x.	x.	PROPN
fumecheng-7021	176	12	,	,	PUNCT
fumecheng-7021	176	13	liu	liu	PROPN
fumecheng-7021	176	14	,	,	PUNCT
fumecheng-7021	176	15	s.	s.	PROPN
fumecheng-7021	176	16	,	,	PUNCT
fumecheng-7021	176	17	zhu	zhu	PROPN
fumecheng-7021	176	18	d.	d.	PROPN
fumecheng-7021	176	19	,	,	PUNCT
fumecheng-7021	176	20	2020	2020	NUM
fumecheng-7021	176	21	,	,	PUNCT
fumecheng-7021	176	22	fft	fft	NOUN
fumecheng-7021	176	23	-	-	PUNCT
fumecheng-7021	176	24	based	base	VERB
fumecheng-7021	176	25	methods	method	NOUN
fumecheng-7021	176	26	for	for	ADP
fumecheng-7021	176	27	computational	computational	ADJ
fumecheng-7021	176	28	contact	contact	NOUN
fumecheng-7021	176	29	mechanics	mechanic	NOUN
fumecheng-7021	176	30	,	,	PUNCT
fumecheng-7021	176	31	frontiers	frontier	NOUN
fumecheng-7021	176	32	in	in	ADP
fumecheng-7021	176	33	mechanical	mechanical	ADJ
fumecheng-7021	176	34	engineering	engineering	NOUN
fumecheng-7021	176	35	,	,	PUNCT
fumecheng-7021	176	36	6	6	NUM
fumecheng-7021	176	37	,	,	PUNCT
fumecheng-7021	176	38	61	61	NUM
fumecheng-7021	176	39	.	.	NOUN
fumecheng-7021	176	40	12	12	NUM
fumecheng-7021	176	41	.	.	PUNCT
fumecheng-7021	177	1	putignano	putignano	PROPN
fumecheng-7021	177	2	,	,	PUNCT
fumecheng-7021	177	3	c.	c.	PROPN
fumecheng-7021	177	4	,	,	PUNCT
fumecheng-7021	177	5	afferrante	afferrante	NOUN
fumecheng-7021	177	6	,	,	PUNCT
fumecheng-7021	177	7	l.	l.	PROPN
fumecheng-7021	177	8	,	,	PUNCT
fumecheng-7021	177	9	carbone	carbone	NOUN
fumecheng-7021	177	10	,	,	PUNCT
fumecheng-7021	177	11	g.	g.	PROPN
fumecheng-7021	177	12	,	,	PUNCT
fumecheng-7021	177	13	demelio	demelio	PROPN
fumecheng-7021	177	14	,	,	PUNCT
fumecheng-7021	177	15	g.	g.	PROPN
fumecheng-7021	177	16	,	,	PUNCT
fumecheng-7021	177	17	2012	2012	NUM
fumecheng-7021	177	18	,	,	PUNCT
fumecheng-7021	177	19	a	a	DET
fumecheng-7021	177	20	new	new	ADJ
fumecheng-7021	177	21	efficient	efficient	ADJ
fumecheng-7021	177	22	numerical	numerical	ADJ
fumecheng-7021	177	23	method	method	NOUN
fumecheng-7021	177	24	for	for	ADP
fumecheng-7021	177	25	contact	contact	NOUN
fumecheng-7021	177	26	mechanics	mechanic	NOUN
fumecheng-7021	177	27	of	of	ADP
fumecheng-7021	177	28	rough	rough	ADJ
fumecheng-7021	177	29	surfaces	surface	NOUN
fumecheng-7021	177	30	,	,	PUNCT
fumecheng-7021	177	31	international	international	ADJ
fumecheng-7021	177	32	journal	journal	NOUN
fumecheng-7021	177	33	of	of	ADP
fumecheng-7021	177	34	solids	solid	NOUN
fumecheng-7021	177	35	and	and	CCONJ
fumecheng-7021	177	36	structures	structure	NOUN
fumecheng-7021	177	37	,	,	PUNCT
fumecheng-7021	177	38	49	49	NUM
fumecheng-7021	177	39	,	,	PUNCT
fumecheng-7021	177	40	pp	pp	ADJ
fumecheng-7021	177	41	.	.	PUNCT
fumecheng-7021	178	1	338–343	338–343	NUM
fumecheng-7021	178	2	.	.	PUNCT
fumecheng-7021	179	1	13	13	NUM
fumecheng-7021	179	2	.	.	PUNCT
fumecheng-7021	180	1	rey	rey	PROPN
fumecheng-7021	180	2	,	,	PUNCT
fumecheng-7021	180	3	v.	v.	PROPN
fumecheng-7021	180	4	,	,	PUNCT
fumecheng-7021	180	5	anciaux	anciaux	ADJ
fumecheng-7021	180	6	,	,	PUNCT
fumecheng-7021	180	7	g.	g.	PROPN
fumecheng-7021	180	8	,	,	PUNCT
fumecheng-7021	180	9	molinari	molinari	PROPN
fumecheng-7021	180	10	,	,	PUNCT
fumecheng-7021	180	11	j.f	j.f	PROPN
fumecheng-7021	180	12	.	.	PROPN
fumecheng-7021	180	13	,	,	PUNCT
fumecheng-7021	180	14	2017	2017	NUM
fumecheng-7021	180	15	,	,	PUNCT
fumecheng-7021	180	16	normal	normal	ADJ
fumecheng-7021	180	17	adhesive	adhesive	ADJ
fumecheng-7021	180	18	contact	contact	NOUN
fumecheng-7021	180	19	on	on	ADP
fumecheng-7021	180	20	rough	rough	ADJ
fumecheng-7021	180	21	surfaces	surface	NOUN
fumecheng-7021	180	22	:	:	PUNCT
fumecheng-7021	180	23	efficient	efficient	ADJ
fumecheng-7021	180	24	algorithm	algorithm	NOUN
fumecheng-7021	180	25	for	for	ADP
fumecheng-7021	180	26	fft	fft	NOUN
fumecheng-7021	180	27	-	-	PUNCT
fumecheng-7021	180	28	based	base	VERB
fumecheng-7021	180	29	bem	bem	NOUN
fumecheng-7021	180	30	resolution	resolution	NOUN
fumecheng-7021	180	31	,	,	PUNCT
fumecheng-7021	180	32	computational	computational	ADJ
fumecheng-7021	180	33	mechanics	mechanic	NOUN
fumecheng-7021	180	34	,	,	PUNCT
fumecheng-7021	180	35	60	60	NUM
fumecheng-7021	180	36	,	,	PUNCT
fumecheng-7021	180	37	pp	pp	ADJ
fumecheng-7021	180	38	.	.	PUNCT
fumecheng-7021	181	1	69–81	69–81	NUM
fumecheng-7021	181	2	.	.	PUNCT
fumecheng-7021	182	1	14	14	NUM
fumecheng-7021	182	2	.	.	PUNCT
fumecheng-7021	183	1	liu	liu	PROPN
fumecheng-7021	183	2	,	,	PUNCT
fumecheng-7021	183	3	s.	s.	PROPN
fumecheng-7021	183	4	,	,	PUNCT
fumecheng-7021	183	5	wang	wang	PROPN
fumecheng-7021	183	6	,	,	PUNCT
fumecheng-7021	183	7	q.	q.	PROPN
fumecheng-7021	183	8	,	,	PUNCT
fumecheng-7021	183	9	liu	liu	PROPN
fumecheng-7021	183	10	,	,	PUNCT
fumecheng-7021	183	11	g.	g.	PROPN
fumecheng-7021	183	12	,	,	PUNCT
fumecheng-7021	183	13	2000	2000	NUM
fumecheng-7021	183	14	,	,	PUNCT
fumecheng-7021	183	15	a	a	DET
fumecheng-7021	183	16	versatile	versatile	ADJ
fumecheng-7021	183	17	method	method	NOUN
fumecheng-7021	183	18	of	of	ADP
fumecheng-7021	183	19	discrete	discrete	ADJ
fumecheng-7021	183	20	convolution	convolution	NOUN
fumecheng-7021	183	21	and	and	CCONJ
fumecheng-7021	183	22	fft	fft	PROPN
fumecheng-7021	183	23	(	(	PUNCT
fumecheng-7021	183	24	dc	dc	PROPN
fumecheng-7021	183	25	-	-	PUNCT
fumecheng-7021	183	26	fft	fft	PROPN
fumecheng-7021	183	27	)	)	PUNCT
fumecheng-7021	183	28	for	for	ADP
fumecheng-7021	183	29	contact	contact	NOUN
fumecheng-7021	183	30	analyses	analysis	NOUN
fumecheng-7021	183	31	,	,	PUNCT
fumecheng-7021	183	32	wear	wear	NOUN
fumecheng-7021	183	33	,	,	PUNCT
fumecheng-7021	183	34	243	243	NUM
fumecheng-7021	183	35	,	,	PUNCT
fumecheng-7021	183	36	pp	pp	ADJ
fumecheng-7021	183	37	.	.	PUNCT
fumecheng-7021	184	1	101–111	101–111	NUM
fumecheng-7021	184	2	.	.	PUNCT
fumecheng-7021	185	1	15	15	NUM
fumecheng-7021	185	2	.	.	PUNCT
fumecheng-7021	186	1	li	li	PROPN
fumecheng-7021	186	2	,	,	PUNCT
fumecheng-7021	186	3	q.	q.	PROPN
fumecheng-7021	186	4	,	,	PUNCT
fumecheng-7021	186	5	pohrt	pohrt	PROPN
fumecheng-7021	186	6	,	,	PUNCT
fumecheng-7021	186	7	r.	r.	PROPN
fumecheng-7021	186	8	,	,	PUNCT
fumecheng-7021	186	9	lyashenko	lyashenko	PROPN
fumecheng-7021	186	10	,	,	PUNCT
fumecheng-7021	186	11	i.a	i.a	PROPN
fumecheng-7021	186	12	.	.	PROPN
fumecheng-7021	186	13	,	,	PUNCT
fumecheng-7021	186	14	popov	popov	PROPN
fumecheng-7021	186	15	,	,	PUNCT
fumecheng-7021	186	16	v.l	v.l	PROPN
fumecheng-7021	186	17	.	.	PROPN
fumecheng-7021	186	18	,	,	PUNCT
fumecheng-7021	186	19	2019	2019	NUM
fumecheng-7021	186	20	,	,	PUNCT
fumecheng-7021	186	21	boundary	boundary	ADJ
fumecheng-7021	186	22	element	element	NOUN
fumecheng-7021	186	23	method	method	NOUN
fumecheng-7021	186	24	for	for	ADP
fumecheng-7021	186	25	nonadhesive	nonadhesive	ADJ
fumecheng-7021	186	26	and	and	CCONJ
fumecheng-7021	186	27	adhesive	adhesive	ADJ
fumecheng-7021	186	28	contacts	contact	NOUN
fumecheng-7021	186	29	of	of	ADP
fumecheng-7021	186	30	a	a	DET
fumecheng-7021	186	31	coated	coat	VERB
fumecheng-7021	186	32	elastic	elastic	ADJ
fumecheng-7021	186	33	half	half	ADJ
fumecheng-7021	186	34	-	-	PUNCT
fumecheng-7021	186	35	space	space	NOUN
fumecheng-7021	186	36	,	,	PUNCT
fumecheng-7021	186	37	proc	proc	NOUN
fumecheng-7021	186	38	.	.	PUNCT
fumecheng-7021	187	1	inst	inst	PROPN
fumecheng-7021	187	2	.	.	PROPN
fumecheng-7021	187	3	mech	mech	PROPN
fumecheng-7021	187	4	.	.	PUNCT
fumecheng-7021	188	1	eng	eng	PROPN
fumecheng-7021	188	2	.	.	PUNCT
fumecheng-7021	189	1	part	part	PROPN
fumecheng-7021	189	2	j	j	PROPN
fumecheng-7021	189	3	j.	j.	PROPN
fumecheng-7021	189	4	eng	eng	PROPN
fumecheng-7021	189	5	.	.	PUNCT
fumecheng-7021	190	1	tribol	tribol	PROPN
fumecheng-7021	190	2	.	.	PROPN
fumecheng-7021	190	3	,	,	PUNCT
fumecheng-7021	190	4	234	234	NUM
fumecheng-7021	190	5	,	,	PUNCT
fumecheng-7021	190	6	pp	pp	ADJ
fumecheng-7021	190	7	.	.	PUNCT
fumecheng-7021	191	1	73–83	73–83	NUM
fumecheng-7021	191	2	.	.	NOUN
fumecheng-7021	192	1	16	16	NUM
fumecheng-7021	192	2	.	.	PUNCT
fumecheng-7021	193	1	li	li	PROPN
fumecheng-7021	193	2	,	,	PUNCT
fumecheng-7021	193	3	q.	q.	PROPN
fumecheng-7021	193	4	,	,	PUNCT
fumecheng-7021	193	5	popov	popov	PROPN
fumecheng-7021	193	6	,	,	PUNCT
fumecheng-7021	193	7	v.l	v.l	PROPN
fumecheng-7021	193	8	.	.	PROPN
fumecheng-7021	193	9	,	,	PUNCT
fumecheng-7021	193	10	2017	2017	NUM
fumecheng-7021	193	11	,	,	PUNCT
fumecheng-7021	193	12	boundary	boundary	ADJ
fumecheng-7021	193	13	element	element	NOUN
fumecheng-7021	193	14	method	method	NOUN
fumecheng-7021	193	15	for	for	ADP
fumecheng-7021	193	16	normal	normal	ADJ
fumecheng-7021	193	17	non	non	ADJ
fumecheng-7021	193	18	-	-	ADJ
fumecheng-7021	193	19	adhesive	adhesive	ADJ
fumecheng-7021	193	20	and	and	CCONJ
fumecheng-7021	193	21	adhesive	adhesive	ADJ
fumecheng-7021	193	22	contacts	contact	NOUN
fumecheng-7021	193	23	of	of	ADP
fumecheng-7021	193	24	power	power	NOUN
fumecheng-7021	193	25	-	-	PUNCT
fumecheng-7021	193	26	law	law	NOUN
fumecheng-7021	193	27	graded	grade	VERB
fumecheng-7021	193	28	elastic	elastic	ADJ
fumecheng-7021	193	29	materials	material	NOUN
fumecheng-7021	193	30	,	,	PUNCT
fumecheng-7021	193	31	computational	computational	ADJ
fumecheng-7021	193	32	mechanics	mechanic	NOUN
fumecheng-7021	193	33	,	,	PUNCT
fumecheng-7021	193	34	61	61	NUM
fumecheng-7021	193	35	,	,	PUNCT
fumecheng-7021	193	36	pp	pp	ADJ
fumecheng-7021	193	37	.	.	PUNCT
fumecheng-7021	194	1	319–329	319–329	NUM
fumecheng-7021	194	2	.	.	PUNCT
fumecheng-7021	195	1	17	17	NUM
fumecheng-7021	195	2	.	.	PUNCT
fumecheng-7021	195	3	benad	benad	PROPN
fumecheng-7021	195	4	,	,	PUNCT
fumecheng-7021	195	5	j.	j.	PROPN
fumecheng-7021	195	6	,	,	PUNCT
fumecheng-7021	195	7	2020	2020	NUM
fumecheng-7021	195	8	,	,	PUNCT
fumecheng-7021	195	9	calculation	calculation	NOUN
fumecheng-7021	195	10	of	of	ADP
fumecheng-7021	195	11	the	the	DET
fumecheng-7021	195	12	bem	bem	NOUN
fumecheng-7021	195	13	integrals	integral	NOUN
fumecheng-7021	195	14	on	on	ADP
fumecheng-7021	195	15	a	a	DET
fumecheng-7021	195	16	variable	variable	ADJ
fumecheng-7021	195	17	grid	grid	NOUN
fumecheng-7021	195	18	with	with	ADP
fumecheng-7021	195	19	the	the	DET
fumecheng-7021	195	20	fft	fft	PROPN
fumecheng-7021	195	21	,	,	PUNCT
fumecheng-7021	195	22	frontiers	frontier	NOUN
fumecheng-7021	195	23	in	in	ADP
fumecheng-7021	195	24	mechanical	mechanical	ADJ
fumecheng-7021	195	25	engineering	engineering	NOUN
fumecheng-7021	195	26	,	,	PUNCT
fumecheng-7021	195	27	6	6	NUM
fumecheng-7021	195	28	,	,	PUNCT
fumecheng-7021	195	29	32	32	NUM
fumecheng-7021	195	30	.	.	PUNCT
fumecheng-7021	195	31	18	18	NUM
fumecheng-7021	195	32	.	.	PUNCT
fumecheng-7021	196	1	bilz	bilz	PROPN
fumecheng-7021	196	2	,	,	PUNCT
fumecheng-7021	196	3	r.	r.	PROPN
fumecheng-7021	196	4	,	,	PUNCT
fumecheng-7021	196	5	de	de	PROPN
fumecheng-7021	196	6	payrebrune	payrebrune	PROPN
fumecheng-7021	196	7	,	,	PUNCT
fumecheng-7021	196	8	k.m	k.m	PROPN
fumecheng-7021	196	9	.	.	PROPN
fumecheng-7021	196	10	,	,	PUNCT
fumecheng-7021	196	11	2019	2019	NUM
fumecheng-7021	196	12	,	,	PUNCT
fumecheng-7021	196	13	analytical	analytical	ADJ
fumecheng-7021	196	14	investigation	investigation	NOUN
fumecheng-7021	196	15	of	of	ADP
fumecheng-7021	196	16	the	the	DET
fumecheng-7021	196	17	motion	motion	NOUN
fumecheng-7021	196	18	of	of	ADP
fumecheng-7021	196	19	lapping	lap	VERB
fumecheng-7021	196	20	particles	particle	NOUN
fumecheng-7021	196	21	,	,	PUNCT
fumecheng-7021	196	22	proceeding	proceed	VERB
fumecheng-7021	196	23	in	in	ADP
fumecheng-7021	196	24	applied	apply	VERB
fumecheng-7021	196	25	mathematics	mathematic	NOUN
fumecheng-7021	196	26	and	and	CCONJ
fumecheng-7021	196	27	mechanics	mechanic	NOUN
fumecheng-7021	196	28	,	,	PUNCT
fumecheng-7021	196	29	19	19	NUM
fumecheng-7021	196	30	,	,	PUNCT
fumecheng-7021	196	31	e201900076	e201900076	NOUN
fumecheng-7021	196	32	.	.	PUNCT