Flexible Multiple Semicoarsening for Three-Dimensional Singularly Perturbed Problems

DOI10.1137/S1064827596305829zbMath0913.65110MaRDI QIDQ4389315

Takumi Washio, Cornelis W. Oosterlee

Publication date: 12 May 1998

Published in: SIAM Journal on Scientific Computing (Search for Journal in Brave)

zbMATH Keywords

robustnesssingular perturbationconvection-diffusion problemsparallel computingfinite volumefinite differenceKrylov methodsgrid partitioningmultigrid preconditioner3D solverflexible semicoarsening

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Boundary value problems for second-order elliptic equations (35J25) Singular perturbations in context of PDEs (35B25) 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) Parallel numerical computation (65Y05) Finite difference methods for boundary value problems involving PDEs (65N06)

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