98-26   Berichtsreihe des Mathematischen Seminars der Universität Kiel

Dietrich Braess, Maximilian Dryja, Wolfgang Hackbusch:

A Multigrid Method for Nonconforming FE-Discretisations with Application to Non-Matching Grids

Nonconforming finite element discretisations require special care in the construction of the prolongation and restriction in the multigrid process. In this paper, a general scheme is proposed, which guarantees the approximation property. As an example, the technique is applied to the discretisation by non-matching grids (mortar elements)

Mathematics Subject Classification (1991): 65F10, 65N55, 65N30

Bibliographical note: Computing 63: 1-25, 1998.

Keywords: Nonconforming finite element method, mortar, multigrid method

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