An adaptive finite element algorithm for contact problems in plasticity

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  • Technische Universität Darmstadt
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Details

OriginalspracheEnglisch
Seiten (von - bis)88-97
Seitenumfang10
FachzeitschriftComputational mechanics
Jahrgang17
Ausgabenummer1-2
PublikationsstatusVeröffentlicht - Dez. 1995
Extern publiziertJa

Abstract

Due to the fact that in contact problems the contact area is not known a priori, a sufficient discretization to obtain a convergent finite element solution cannot be supplied from the outset. Therefore it is necessary to use adaptive finite element methods to adjust automatically the mesh sizes not only in the bodies under consideration but also in the contact zone. In this paper we develop an adaptive method for geometrically linear contact problems, which also includes elastoplastic material behavior. The radial return algorithm is used to derive the error estimator for one time increment of the solution process. The error estimator is based on the Zienkiewicz-Zhu projection scheme, which is extended to account for the special situation in the contact interface.

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An adaptive finite element algorithm for contact problems in plasticity. / Wriggers, Peter; Scherf, O.
in: Computational mechanics, Jahrgang 17, Nr. 1-2, 12.1995, S. 88-97.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

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