Reference : An energy momentum conserving algorithm using the variational formulation of visco-pl...
Scientific journals : Article
Engineering, computing & technology : Mechanical engineering
http://hdl.handle.net/2268/332
An energy momentum conserving algorithm using the variational formulation of visco-plastic updates
English
Noels, Ludovic mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > LTAS - Milieux continus et thermomécanique >]
Stainier, Laurent [Université de Liège - ULg > Département d'aérospatiale et mécanique > LTAS - Milieux continus et thermomécanique >]
Ponthot, Jean-Philippe mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire >]
2006
International Journal for Numerical Methods in Engineering
John Wiley & Sons Ltd
65
6
904–942
Yes (verified by ORBi)
International
0029-5981
Chichester
[en] energy conserving ; momentum conserving ; dynamics ; variational formulation ; elastoplasticity ; finite-elements rnethod
[en] 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. Copyright (c) 2005 John Wiley
Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
Researchers
http://hdl.handle.net/2268/332
10.1002/nme.1480
http://dx.doi.org/10.1002/nme.1480

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