Convergence analysis on multigrid methods for elliptic problems with large jumps in coefficients

DOI10.1093/IMANUM/DRU055zbMath1334.65182OpenAlexW2042540612MaRDI QIDQ3450694

Hui Zheng, Jin-biao Wu

Publication date: 6 November 2015

Published in: IMA Journal of Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1093/imanum/dru055

zbMATH Keywords

convergencemultigrid methodpreconditioned conjugate gradient methodnumerical resultnearly singular problemdiscrete harmonic extensionjump coefficient 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) Stability and convergence of numerical methods for boundary value problems involving PDEs (65N12) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) PDEs with low regular coefficients and/or low regular data (35R05)

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