Reference : An energy momentum conserving algorithm using the variational formulation of visco-plast...

	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Mechanical engineering
	To cite this reference:	http://hdl.handle.net/2268/332
	Discipline :	Engineering, computing & technology : Multidisciplinary, general & others

Title :	An energy momentum conserving algorithm using the variational formulation of visco-plastic updates
Language :	English
Author, co-author :	Noels, Ludovic [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 [Université de Liège - ULg > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire >]
Publication date :	2006
Journal title :	International Journal for Numerical Methods in Engineering
Publisher :	John Wiley & Sons Ltd
Volume :	65
Issue/season :	6
Pages :	904–942
Audience :	International
ISSN :	0029-5981
City :	Chichester
Keywords :	[en] energy conserving ; momentum conserving ; dynamics ; variational formulation ; elastoplasticity ; finite-elements rnethod
Abstract :	[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
Funders :	Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
Target :	Researchers
Permalink :	http://hdl.handle.net/2268/332
DOI :	10.1002/nme.1480
Other URL :	http://dx.doi.org/10.1002/nme.1480

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