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Superconvergence on a hybrid mesh for singularly perturbed problems with exponential layers
Author(s) -
Roos H.G.
Publication year - 2006
Publication title -
zamm ‐ journal of applied mathematics and mechanics / zeitschrift für angewandte mathematik und mechanik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.449
H-Index - 51
eISSN - 1521-4001
pISSN - 0044-2267
DOI - 10.1002/zamm.200510264
Subject(s) - superconvergence , discretization , polygon mesh , exponential function , mathematics , layer (electronics) , boundary (topology) , mathematical analysis , exponential decay , boundary layer , geometry , finite element method , physics , mechanics , materials science , composite material , thermodynamics , nuclear physics
We consider singularly‐perturbed model problems with exponential boundary layers and its discretization using finite elements on a layer adapted meshes using rectangles in the layer region and triangles outside. We study superconvergence properties of the method.