An additive subspace preconditioning method for the iterative solution of some problems with extreme contrasts in coefficients

DOI10.1515/JNMA-2014-0013zbMath1309.65034OpenAlexW2071128778MaRDI QIDQ477398

Owe Axelsson

Publication date: 9 December 2014

Published in: Journal of Numerical Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1515/jnma-2014-0013

zbMATH Keywords

preconditioningsmall eigenvaluesadditive subspace

Mathematics Subject Classification ID

Flows in porous media; filtration; seepage (76S05) 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) Numerical solution of discretized equations for boundary value problems involving PDEs (65N22) Preconditioners for iterative methods (65F08)

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