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With a new refinement paradigm towards anisotropic adaptive FEM on triangular meshes

Adaptive anisotropic refinement of finite element meshes allows to reduce the computational effort required to achieve a specified accuracy of the solution of a PDE problem.
We present a new approach to adaptive refinement and demonstrate that this allows to construct algorithms which generate very flexible and efficient anisotropically refined meshes, even improving the convergence order compared to adaptive isotropic refinement if the problem permits.:1 Introduction
2 Extension of FEM ansatz spaces
3 Optimality of the extension
4 Application 1: graded refinement
5 Application 2: anisotropic refinement in 2D
6 Numerical experiments
7 Conclusions and outlook

Identiferoai:union.ndltd.org:DRESDEN/oai:qucosa:de:qucosa:19955
Date15 October 2013
CreatorsSchneider, Rene
PublisherTechnische Universität Chemnitz
Source SetsHochschulschriftenserver (HSSS) der SLUB Dresden
LanguageEnglish
Detected LanguageEnglish
Typedoc-type:preprint, info:eu-repo/semantics/preprint, doc-type:Text
Rightsinfo:eu-repo/semantics/openAccess

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