Variable order, directional ℋ2-matrices for Helmholtz problems with complex frequency

DOI10.1093/imanum/draa046OpenAlexW3112190863MaRDI QIDQ5077078

Maria Lopez-Fernandez, Steffen Börm, Stefan A. Sauter

Publication date: 17 May 2022

Published in: IMA Journal of Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1903.02803

zbMATH Keywords

boundary integral operatorhierarchical matricesHelmholtz equation in lossy media

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) PDEs in connection with optics and electromagnetic theory (35Q60) Variational methods applied to PDEs (35A15) Error bounds for boundary value problems involving PDEs (65N15) Finite difference methods for initial value and initial-boundary value problems involving PDEs (65M06) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Boundary element methods for boundary value problems involving PDEs (65N38) PDEs in connection with mechanics of deformable solids (35Q74) PDEs on time scales (35R07)

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