Abstract
In this paper, a methodology to compute the three-dimensional J-integral by the domain integral method using the quadratic tetrahedral finite element for the absence of crack face tractions is presented. We carefully examined the properties of the domain integral method and propose a methodology that can deal with cracks with arbitrary curvatures and kinks in three-dimensional space without any crack surface integral terms. Some example problems are presented and the accuracy of present J-integral method is critically discussed.
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