Revisiting generalized FEM: a Petrov-Galerkin enrichment based FEM interpolation for Helmholtz problem

DOI10.1007/s10092-018-0280-5zbMath1404.65272OpenAlexW2888236758MaRDI QIDQ1616102

Victor A. Kovtunenko, Karl Kunisch

Publication date: 31 October 2018

Published in: Calcolo (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10092-018-0280-5

zbMATH Keywords

Helmholtz equationGegenbauer polynomialsgeneralized FEMFEM interpolationPetrov-Galerkin enrichmentwavelets basis

Mathematics Subject Classification ID

Nontrigonometric harmonic analysis involving wavelets and other special systems (42C40) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Approximation by polynomials (41A10)

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