Modélisation de l'endommagement ductile dynamique (Modeling of dynamic ductile damage)

Yves-Patrick Pellegrini (1) , Christophe Denoual (1) , Antoine Juanicotena (1) , Magali Arlery (1) , Gilles Roy (2) , Fabrice Llorca (2)

1 DAM/DIF - DAM Île-de-France
2 DAM/VALDUC - VALDUC

This article discusses some models of dynamic ductile damage used at the CEA-DAM, applied to spall experiments. In the context of hollow sphere models, the importance of viscous and inertial effecs is emphasized.

Mots clés: Ductile damage; plasticity; viscoplasticity; porous media; cavitation; Gurson model; spallation; inertia

Domaines: Science des matériaux [cond-mat.mtrl-sci]

Yves-Patrick Pellegrini, Christophe Denoual, Antoine Juanicotena, Magali Arlery, Gilles Roy, et al.. Modélisation de l'endommagement ductile dynamique (Modeling of dynamic ductile damage). Chocs, 2005, Numéro spécial 2005, pp.114-123. ⟨cea-00412987⟩