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Title: A parallel solver based on the dual Schur decomposition of general finite element matrices
Authors: Vanderstraeten, Denis ×
Keunings, Roland #
Issue Date: Jul-1998
Publisher: John wiley & sons ltd
Series Title: International journal for numerical methods in fluids vol:28 issue:1 pages:23-46
Abstract: A parallel solver based on domain decomposition is presented for the solution of large algebraic systems arising in the finite element discretization of mechanical problems. It is hybrid in the sense that it combines a direct factorization of the local subdomain problems with an iterative treatment of the interface system by a parallel GMRES algorithm. An important feature of the proposed solver is the use of a set of Lagrange multipliers to enforce continuity of the finite element unknowns at the interface. A projection step and a preconditioner are proposed to control the conditioning of the interface matrix.
ISSN: 0271-2091
Publication status: published
KU Leuven publication type: IT
Appears in Collections:NUMA, Numerical Analysis and Applied Mathematics Section
Department of Materials Engineering - miscellaneous
× corresponding author
# (joint) last author

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