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Locally optimal unstructured finite element meshes in 3 dimensions

By R. Mahmood and P.K. Jimack

Abstract

This paper investigates the adaptive finite element solution of a general class of variational problems in three dimensions using a combination of node movement, edge swapping, face swapping and node insertion. The adaptive strategy proposed is a generalization of previous work in two dimensions and is based upon the construction of a hierarchy of locally optimal meshes.\ud \ud Results presented, both for a single equation and a system of coupled equations, suggest that this approach is able to produce better meshes of tetrahedra than those obtained by more conventional adaptive strategies and in a relatively efficient manner

Publisher: Elsevier Ltd.
Year: 2004
OAI identifier: oai:eprints.whiterose.ac.uk:1758

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