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Type: Artigo de periódico
Title: Adaptive non-nested multigrid methods
Author: Bittencourt, ML
Douglas, CC
Feijoo, RA
Abstract: This paper presents some linear adaptive non-nested multigrid methods which are applied to linear elastic problems discretized with triangular and tetrahedral finite elements using unstructured and Delaunay mesh generators. The Zienkiewicz-Zhu error estimator and a h-refinement procedure are used to obtain the non-nested meshes used by the multigrid methods. We solve problems with a specified percentage error in the energy norm using the optimal performance of multigrid methods.
Subject: error estimation
finite element methods
Country: Inglaterra
Editor: Emerald
Rights: fechado
Identifier DOI: 10.1108/02644400210419030
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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