Application of an implicit variational-gradient method to the Dirichlet problem for the Helmholtz equation

zbMath0852.65097MaRDI QIDQ1921606

L. Yu. Lenivtseva, I. L. Kovalenko, A. I. Litvin, S. D. Simonzhenkov

Publication date: 15 December 1996

Published in: Computational Mathematics and Mathematical Physics (Search for Journal in Brave)

zbMATH Keywords

discrete Fourier transformHelmholtz equationimplicit variational gradient methodmethod of slowest descent

Mathematics Subject Classification ID

Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Iterative numerical methods for linear systems (65F10) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

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