A regularized domain decomposition method with Lagrange multiplier

DOI10.1007/s10444-004-4094-4zbMath1115.65125OpenAlexW1969409060MaRDI QIDQ877781

Qiya Hu

Publication date: 3 May 2007

Published in: Advances in Computational Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10444-004-4094-4

zbMATH Keywords

Lagrange multipliersconvergenceiterative algorithmnumerical resultsregularizationdomain decompositioncondition numberconjugate gradient methoderror estimateinterface equationpreconditionernon-matching gridsmortar element

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)

Related Items (2)

An adaptive BDDC algorithm in variational form for mortar discretizations ⋮ A substructuring preconditioner with vertex-related interface solvers for elliptic-type equations in three dimensions

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