Evaluating Local Approximations of the <em>L</em>²-Orthogonal Projection Between Non-Nested Finite Element Spaces

DOI10.4208/NMTMA.2014.1218NMzbMath1324.65009OpenAlexW4237861770MaRDI QIDQ5260339

Thomas Dickopf, Rolf H. Krause

Publication date: 29 June 2015

Published in: Numerical Mathematics: Theory, Methods and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4208/nmtma.2014.1218nm

zbMATH Keywords

interpolationfinite elementsunstructured meshestransfer operatorsnon-nested spacesPetrov-Galerkin variational equation

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Numerical interpolation (65D05) Mesh generation, refinement, and adaptive methods for boundary value problems involving PDEs (65N50)

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