id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fis-1878	Vasco-Olmo, J.M.; Diaz, F.A.; James, M.N.; Christopher, C.J.; Patterson, E.A.	Experimental methodology for the quantification of crack tip plastic zone and shape from the analysis of displacement fields	2017	9	.pdf	application/pdf	5457	245	58	Crack tip stress fields are then defined as:                                                                          0 0 2 3 2 1 2 2 3 22 2 3 2 2 2 2 2 3 2 2 3 2 1 2 3 2 1 22 T sinsincos sincossin coscossin r K cossin sinsin sinsin cos r K III xy y x       DOI: 10.3221/IGF-ESIS.41.23 168 WILLIAMS’ CRACK TIP STRESS EXPANSION n the Williams’ series expansion, crack tip stress fields [10] are expressed as a function of a number of terms in the series, the series coefficients and a polar coordinate system with its origin at the crack tip: 	cache/fis-1878.pdf	txt/fis-1878.txt