A FETI-DP Preconditioner with A Special Scaling for Mortar Discretization of Elliptic Problems with Discontinuous Coefficients

DOI10.1137/040616401zbMath1113.65108OpenAlexW2055343229MaRDI QIDQ5470958

Maksymilian Dryja, Nina Dokeva, Wlodek Proskurowski

Publication date: 2 June 2006

Published in: SIAM Journal on Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://semanticscholar.org/paper/2cd4f51f089fc711035b6667f017567d41125966

zbMATH Keywords

convergencenumerical examplesscalingDomain decompositionsaddle-point problemnonmatching gridselliptic problems with discontinuous coefficientsmortar finite element methoddual-primal FETI preconditioner

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) PDEs with low regular coefficients and/or low regular data (35R05) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35)

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Discontinuous Galerkin least-squares finite element methods for singularly perturbed reaction-diffusion problems with discontinuous coefficients and boundary singularities ⋮ Substructuring preconditioners forh−pMortar FEM

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