Algebraic multigrid/fictitious domain preconditioners on quasihierarchical triangular grids

DOI10.1515/RNAM.1994.9.3.201zbMath0820.65021OpenAlexW2049087455MaRDI QIDQ4697716

Yuri A. Kuznetsov, Yuriĭ R. Hakopian

Publication date: 8 May 1995

Published in: Russian Journal of Numerical Analysis and Mathematical Modelling (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1515/rnam.1994.9.3.201

zbMATH Keywords

algorithmfinite elementcondition numberalgebraic multigridfictitious domain methodLaplacian operatorChebyshev iterationhierarchical preconditioner

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

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