The model pre-processing, level set update, stress intensity factor calculation and crack propagation analysis are conducted by employing COMSOL's built-in features in conjunction with external MATLAB functions through COMSOL LiveLink. The Linear Elastic Fracture Mechanics (LEFM) is exclusively adopted for the crack analysis. To this end, for each set of enrichment functions, an additional Solid Mechanics module is incorporated into the numerical framework, coupled with compatible modifications to the internal variables. An enrichment strategy is proposed, consistent with the structure of the software. Download a PDF of the paper titled An eXtended Finite Element Method Implementation in COMSOL Multiphysics: Solid Mechanics, by Ahmad Jafari and 3 other authors Download PDF Abstract:This paper presents the first time implementation of the eXtended Finite Element Method (XFEM) in the general purpose commercial software COMSOL Multiphysics.
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