Overlapping additive Schwarz preconditioners for isotropic elliptic problems with degenerate coefficients

DOI10.1515/jnum.2007.012zbMath1134.65085OpenAlexW2091137255MaRDI QIDQ5432650

Sven Beuchler, S. V. Nepomnyashchikh

Publication date: 17 December 2007

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

Full work available at URL: https://doi.org/10.1515/jnum.2007.012

zbMATH Keywords

algorithmnumerical examplesdomain decompositionpreconditioningfinite elementconjugate gradient methoddegenerate boundary value problem

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Boundary value problems for second-order elliptic equations (35J25) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Degenerate elliptic equations (35J70) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35)

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