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2014 | OriginalPaper | Buchkapitel

Preconditioning Iterative Substructuring Methods Using Inexact Local Solvers

verfasst von : Piotr Krzyzanowski

Erschienen in: Parallel Processing and Applied Mathematics

Verlag: Springer Berlin Heidelberg

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Abstract

We consider several block preconditioners for iterative substructuring algorithms with inexact subdomain solvers, including incomplete Cholesky and V-cycle multigrid. Numerical results show that block triangular preconditioners are very competitive and in certain cases outperform presently used preconditioners based on full block triangular decomposition.

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Metadaten
Titel
Preconditioning Iterative Substructuring Methods Using Inexact Local Solvers
verfasst von
Piotr Krzyzanowski
Copyright-Jahr
2014
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-642-55195-6_45