Substructuring preconditioners for the \(Q_ 1\) mortar element method

DOI10.1007/s002110050152zbMath0840.65122OpenAlexW2094281210MaRDI QIDQ1907118

Olivier Pironneau, Yves Achdou, Yuri A. Kuznetsov

Publication date: 30 June 1996

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

Full work available at URL: https://doi.org/10.1007/s002110050152

zbMATH Keywords

numerical resultsdomain decompositionsaddle point problemspreconditionersPoisson equationmortar element methodcondition numberssubstructuring preconditionerspreconditioned Uzawa algorithms

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) 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) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

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