Modeling multicrack propagation by the fast multipole symmetric Galerkin BEM

Anicet Dansou 1 Saida Mouhoubi 1 Cyrille Chazallon 1 Marc Bonnet 2
2 POEMS - Propagation des Ondes : Étude Mathématique et Simulation
Inria Saclay - Ile de France, UMA - Unité de Mathématiques Appliquées, CNRS - Centre National de la Recherche Scientifique : UMR7231
Abstract : The Fast Multipole Method coupled with the Symmetric Galerkin BEM is employed in this work to simulate fatigue crack growth. The resulted crack propagation code is accelerated with a fast matrix update, a parallel implementation and a sparse matrix format. By using multiple nodes, this code accommodates also multiple surface-breaking cracks. The numerical tests presented herein allow the propagation of multiple cracks in single or multilayer domains.
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Anicet Dansou, Saida Mouhoubi, Cyrille Chazallon, Marc Bonnet. Modeling multicrack propagation by the fast multipole symmetric Galerkin BEM. Engineering Analysis with Boundary Elements, Elsevier, 2019, 106, pp.309-319. ⟨10.1016/j.enganabound.2019.05.019⟩. ⟨hal-02145098⟩

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