Direct method of solving the Dirichlet problem for the Helmholtz equation on a triangular grid in a rectangle

zbMath1054.65108MaRDI QIDQ1878753

E. S. Nikolaev

Publication date: 8 September 2004

Published in: Moscow University Computational Mathematics and Cybernetics (Search for Journal in Brave)

zbMATH Keywords

Dirichlet problemfinite difference methodnumerical methodsHelmholtz equationtriangular griddirect methodsnon-wave Helmholtz equationstructured triangular grid

Mathematics Subject Classification ID

Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Mesh generation, refinement, and adaptive methods for boundary value problems involving PDEs (65N50) Finite difference methods for boundary value problems involving PDEs (65N06) Direct numerical methods for linear systems and matrix inversion (65F05)

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