Preconditioner for a discrete Laplace operator on a condensed grid

DOI10.1134/S1995423913020067zbMath1299.65269OpenAlexW2052150331MaRDI QIDQ5407756

A. M. Matsokin

Publication date: 7 April 2014

Published in: Numerical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s1995423913020067

zbMATH Keywords

Poisson equationpreconditionerDirichlet boundary value problemrectangular gridtopologically equivalentcondensed gridfinite element method with piecewise-linear functions

Mathematics Subject Classification ID

Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) 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) Preconditioners for iterative methods (65F08)

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