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Aitken's acceleration of the Restricted Additive Schwarz preconditioning using coarse approximations on the interface

Abstract : An enhancement of the restricted Additive Schwarz (RAS) preconditioning, based on the Aitken's acceleration of the convergence of the Schwarz method, is proposed. Its numerical performance is compared with the RAS preconditioning on the two dimensional Helmholtz problem.
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https://hal.archives-ouvertes.fr/hal-00951468
Contributor : Damien Tromeur-Dervout Connect in order to contact the contributor
Submitted on : Monday, February 24, 2014 - 5:29:51 PM
Last modification on : Friday, November 26, 2021 - 6:14:04 PM

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Thomas Dufaud, Damien Tromeur-Dervout. Aitken's acceleration of the Restricted Additive Schwarz preconditioning using coarse approximations on the interface. Comptes rendus hebdomadaires des séances de l'Académie des sciences, Gauthier-Villars, 2010, 348 (13-14), pp.821-824. ⟨10.1016/j.crma.2010.06.021⟩. ⟨hal-00951468⟩

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