A Preconditioner for the FETI-DP Formulation with Mortar Methods in Two Dimensions

DOI10.1137/S0036142903423381zbMath1080.65117MaRDI QIDQ5698738

Chang-Ock Lee, Hyea Hyun Kim

Publication date: 28 October 2005

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

zbMATH Keywords

finite elementsnumerical examplesdiscontinuous coefficientspreconditioningparallel computationcondition numberelliptic boundary value problemsnonmatching gridsfinite element tearing and interconnectingmortar methodsdual-primal method

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) Parallel numerical computation (65Y05)

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