Preconditioning Poincare-Steklov operators arising from domain decompositions with mortar multipliers

DOI10.1093/imanum/24.4.643zbMath1075.65144OpenAlexW2027772885MaRDI QIDQ4653110

Qiya Hu

Publication date: 28 February 2005

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

Full work available at URL: https://doi.org/10.1093/imanum/24.4.643

zbMATH Keywords

preconditioningcondition numbernonoverlapping domain decomposition methodnon-matching gridsPoincaré-Steklov operatorinexact solverfinite element tearing and interconnecting interface systemmortar multiplier

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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