Preconditioners for the dual-primal FETI methods on nonmatching grids: Numerical study

DOI10.1016/j.camwa.2006.03.008zbMath1136.65115OpenAlexW2041404898MaRDI QIDQ2475862

Chang-Ock Lee, Yeon-Woo Chang, Hyea Hyun Kim

Publication date: 11 March 2008

Published in: Computers \& Mathematics with Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.camwa.2006.03.008

zbMATH Keywords

numerical resultselliptic problemspreconditionersubstructuring methodnonmatching gridsFETI-DP methodmortar matching condition

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)

Cites Work

• Convergence of a substructuring method with Lagrange multipliers
• FETI and Neumann-Neumann iterative substructuring methods: Connections and new results
• A method of finite element tearing and interconnecting and its parallel solution algorithm
• Dual-Primal FETI Methods for Three-Dimensional Elliptic Problems with Heterogeneous Coefficients
• A Preconditioner for the FETI-DP Formulation with Mortar Methods in Two Dimensions
• Discretization methods and iterative solvers based on domain decomposition
• On the convergence of a dual-primal substructuring method
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