A coarse space for heterogeneous Helmholtz problems based on the Dirichlet-to-Neumann operator
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Publication:2517485
DOI10.1016/j.cam.2014.03.031zbMath1321.65172OpenAlexW2164119610MaRDI QIDQ2517485
Lea Conen, Frédéric Nataf, Victorita Dolean, Rolf H. Krause
Publication date: 26 August 2015
Published in: Journal of Computational and Applied Mathematics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/j.cam.2014.03.031
convergencenumerical examplewave propagationscatteringdomain decompositionHelmholtz equationpreconditionerDirichlet-to-Neumann operatorcoarse spacepiecewise linear finite elements
Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Stability and convergence of numerical methods for boundary value problems involving PDEs (65N12) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Preconditioners for iterative methods (65F08)
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