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Attributs	Valeurs
type	work Article
Is Part Of	http://hub.abes.fr/edp/periodical/m2an/2004/volume_38/issue_1/w
Subject	Variational inequalities Variational methods http://msc2010.org/resources/MSC/2010/35J85 Signorini problem contact problems elliptic PDE. mixed finite element methods unilateral problems
Title	Mixed formulations for a class of variational inequalities
Date	2004-01-01(xsd:dateTime)
has manifestation of work	http://hub.abes.fr/edp/periodical/m2an/2004/volume_38/issue_1/m2an0304/m/web http://hub.abes.fr/edp/periodical/m2an/2004/volume_38/issue_1/m2an0304/m/print
related by	http://hub.abes.fr/edp/periodical/m2an/2004/volume_38/issue_1/m2an0304/authorship/1 http://hub.abes.fr/edp/periodical/m2an/2004/volume_38/issue_1/m2an0304/authorship/3 http://hub.abes.fr/edp/periodical/m2an/2004/volume_38/issue_1/m2an0304/authorship/2
Author	Bendali, Abderrahmane Laborde, Patrick Slimane, Leila
Abstract	A general setting is proposed for the mixed finite element approximations of elliptic differential problems involving a unilateral boundary condition. The treatment covers the Signorini problem as well as the unilateral contact problem with or without friction. Existence, uniqueness for both the continuous and the discrete problem as well as error estimates are established in a general framework. As an application, the approximation of the Signorini problem by the lowest order mixed finite element method of Raviart-Thomas is proved to converge with a quasi-optimal error bound.
article type	research-article
publisher identifier	m2an0304
Date Copyrighted	2004-01-01(xsd:dateTime)
Rights	© EDP Sciences, SMAI, 2004
Rights Holder	EDP Sciences, SMAI
is part of this journal	RAIRO. Analyse numérique
is primary topic of	http://hub.abes.fr/edp/periodical/m2an/2004/volume_38/issue_1/m2an0304/w/record

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