An effective numerical method for the determination of wave fields in unbounded domains

zbMath0894.65055MaRDI QIDQ1385897

E. G. Komarov, Gennady V. Alekseev

Publication date: 23 June 1998

Published in: Doklady Mathematics (Search for Journal in Brave)

zbMATH Keywords

algorithmfinite element methodboundary value problemsoceanographyunbounded domainselliptic equationsHelmholtz equationSommerfeld radiation conditionrounding-off errorsdirect methodfinite-difference methodacousticswave fieldsartificial boundaryacoustic waveguideill-conditioned

Mathematics Subject Classification ID

Hydrology, hydrography, oceanography (86A05) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Hydro- and aero-acoustics (76Q05) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Direct numerical methods for linear systems and matrix inversion (65F05)

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