id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-374	Procházka, P. P.; Kugblenu, M. G.	Certain Discrete Element Methods in Problems of Fracture Mechanics	2002	9	.pdf	application/pdf	7693	302	65	Assuming uniform distribution of the boundary quantities (displacements ui(x) and tractions pi(x), i 1, 2, and volume weight forces bi to be uniform in the domain �, and position- ing the points of observation � successively at the points �s, which are the centers of the boundary abscissas of the hexago- nal elements, a simplified version of (1) is written as: � � � �1 2 1 2 1 u p u u p ss is k t i s ik i s ikd d� � � ��� �� * *, ,x x x x� � �� � � 6 1 2 1 2 1 6 � �� � � � � � � � b u k t For displacements inside the element domain � it holds: � � � �u p u u p is k	cache/ap-374.pdf	txt/ap-374.txt