A finite element calculation of stress intensity factors by a modified crack closure integral
Abstract
An efficient technique for evaluating stress intensity factors is presented. The method, based on the crack closure integral, can be used with a constant strain finite element stress analysis and a coarse grid. The technique also permits evaluation of both Mode I and Mode II stress intensity factors from the results of a single analysis. Example computations are performed for a double cantilever beam test specimen, a finite width strip with a...
Paper Details
Title
A finite element calculation of stress intensity factors by a modified crack closure integral
Published Date
Jan 1, 1977
Volume
9
Issue
4
Pages
931 - 938
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