An arc-length method for controlled cohesive crack propagation using high-order XFEM and Irwin’s crack closure integral
Abstract
Numerical modeling of cohesive crack growth in quasi-brittle materials is challenging, primarily due to the combination of (i) nonlinearity associated with the fracture process zone (FPZ), (ii) arbitrary directions to which a crack may propagate, and (iii) snap-back or snap-through instabilities encountered in the response of the structure. To address these challenges, we propose a novel arc-length method that can follow the equilibrium path of...
Paper Details
Title
An arc-length method for controlled cohesive crack propagation using high-order XFEM and Irwin’s crack closure integral
Published Date
Aug 1, 2018
Volume
199
Pages
235 - 256
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