Two-level additive Schwarz preconditioners for \(P1\) nonconforming finite elements for nonsymmetric and indefinite problems

DOI10.1016/S0096-3003(96)00192-0zbMath0908.65110MaRDI QIDQ1126617

Yoon J. Yon, Do Young Kwak

Publication date: 4 March 1999

Published in: Applied Mathematics and Computation (Search for Journal in Brave)

zbMATH Keywords

convergencefinite elementspreconditionersGMRES methodadditive Schwarz methodnonsymmetric, indefinite elliptic boundary value problems

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

Cites Work

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• Nonconforming multigrid method for nonsymmetric and indefinite problems
• Variational Iterative Methods for Nonsymmetric Systems of Linear Equations
• An Observation Concerning Ritz-Galerkin Methods with Indefinite Bilinear Forms
• Two-level additive Schwarz preconditioners for nonconforming finite element methods

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