A finite element approach for J(2) calculation in anisotropic materials

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Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/26309

Title:	A finite element approach for J(2) calculation in anisotropic materials
Authors:	Chang,JH;Pu,LP
Contributors:	土木工程研究所
Keywords:	STRESS
Date:	1997
Issue Date:	2010-06-29 17:10:28 (UTC+8)
Publisher:	中央大學
Abstract:	A numerical scheme, based on the concept of domain integral method, is developed for evaluation of J(2) in two-dimensional anisotropic linear elastic solids. The scheme is designed to be in conjunction with finite element solutions. Although the method is verified to be patch-independent, in a modified sense, the near tip region is always included in the calculation due to the nature of J(2). Special attention is addressed on appropriate modelling of the singular behavior around the crack tip area. The numerical examples show that J(2) can be calculated with good accuracy without using;any particular singular elements. The order of singularity of the strain energy density jump along the crack surfaces in the near tip region is also properly estimated. Copyright (C) 1996 Elsevier Science Ltd.
Relation:	COMPUTERS & STRUCTURES
Appears in Collections:	[Graduate Institute of Civil Engineering] journal & Dissertation

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