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Article Dans Une Revue International Journal for Numerical Methods in Engineering Année : 2006

An energy momentum conserving algorithm using the variational formulation of viscoplastic updates

Résumé

In this paper we use the variational formulation of elasto-plastic updates proposed by Ortiz and Stainier (Comput. Methods Appl. Mech. Eng. 1999; 171:419-444) in the context of consistent time integration schemes. We show that such a formulation is well suited to obtain a general expression Of energy momentum conserving algorithms. Moreover, we present numerical examples that illustrate the efficiency of our developments.
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Dates et versions

hal-01004988 , version 1 (18-11-2021)

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Paternité - Pas d'utilisation commerciale

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Ludovic Noels, Laurent Stainier, Jean-Philippe Ponthot. An energy momentum conserving algorithm using the variational formulation of viscoplastic updates. International Journal for Numerical Methods in Engineering, 2006, 65 (6), pp.904-942. ⟨10.1002/nme.1480⟩. ⟨hal-01004988⟩
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