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The mortar finite element method for Bingham fluids

Published online by Cambridge University Press:  15 April 2002

Patrick Hild*
Affiliation:
Laboratoire de Mathématiques, Université de Savoie, CNRS EP 2067, 73376 Le Bourget-du-Lac, France. ([email protected])
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Abstract

This paper deals with the flow problem of aviscous plastic fluid in a cylindrical pipe. In order toapproximate this problem governed by a variational inequality, we apply the nonconforming mortar finite element method. By using appropriate techniques, we are able to prove the convergence of the method and to obtain the same convergence rate as in the conforming case.

Type
Research Article
Copyright
© EDP Sciences, SMAI, 2001

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