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Damage and Discrete Crack Propagation Modelling : Some Results and Challenges For 2d And 3d Configurations

Abstract : In this paper we present a technique to model damage and fracture mechanics using remeshing in 2D and 3D configurations. We use the finite element software FORGE2® and FORGE3® which can deal with elastic, elastoplastic and elastic-viscoplastic materials in large deformation. Coupled damage models (Lemaître and Gurson) have been implemented to model the progressive mechanical degradation of the material during its deformation. Once damage reaches a critical value, fracture has to be modelled. 2D remeshing technique and crack propagation criteria are presented to model automatic discrete crack propagation for different configurations. Extension to 3D modelling of fracture is also discussed.
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Pierre-Olivier Bouchard. Damage and Discrete Crack Propagation Modelling : Some Results and Challenges For 2d And 3d Configurations. ICF11 - International Conference on Fracture, Mar 2005, Turin, Italy. 6 p. ⟨hal-00581798⟩

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