Robust iterative methods for elliptic problems with highly varying coefficients in thin substructures

DOI10.1007/s002110050200zbMath0857.65033OpenAlexW1989526044MaRDI QIDQ1923298

Gabriel Wittum, Boris N. Khoromskij

Publication date: 20 February 1997

Published in: Numerische Mathematik (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s002110050200

zbMATH Keywords

convergencedomain decompositionfinite elementcondition numberpreconditionermultilevel techniquesfrequency filteringhighly varying coefficientssuccessive coarse grid correctionthin substructures

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) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35)

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Preconditioning for boundary element methods in domain decomposition

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