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A domain decomposition method for discontinuous Galerkin discretizations of Helmholtz problems with plane waves and Lagrange multipliers

✍ Scribed by Charbel Farhat; Radek Tezaur; Jari Toivanen

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 296 KB
Volume: 78
Category: Article
ISSN: 0029-5981
DOI: 10.1002/nme.2534

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## Abstract An extension of the FETI‐H method is designed for the solution of acoustic scattering problems with multiple right‐hand sides. A new local pre‐conditioning of this domain decomposition method is also presented. The potential of the resulting iterative solver is demonstrated by numerical