A FETI-DP FORMULATION FOR THE STOKES PROBLEM WITHOUT PRIMAL PRESSURE COMPONENTS

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dc.contributor.authorKim, Hyea Hyunko
dc.contributor.authorLee, Chang-Ockko
dc.contributor.authorPark, Eun-Heeko
dc.date.accessioned2013-03-09T14:02:17Z-
dc.date.available2013-03-09T14:02:17Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2010-
dc.identifier.citationSIAM JOURNAL ON NUMERICAL ANALYSIS, v.47, no.6, pp.4142 - 4162-
dc.identifier.issn0036-1429-
dc.identifier.urihttp://hdl.handle.net/10203/96550-
dc.description.abstractA scalable FETI-DP (dual-primal finite element tearing and interconnecting) algorithm for the Stokes problem that employs a lumped preconditioner is developed and analyzed. A pair of inf-sup stable velocity and pressure finite element spaces is used to obtain a discrete problem. Differently from previous approaches, no primal pressure unknowns are selected and only velocity primal unknowns at subdomain corners are selected. This leads to a symmetric and positive definite coarse problem matrix in the FETI-DP operator, while a larger and indefinite coarse problem appears in the previous approaches. In addition, its condition number bound is proved to be the same as the FETI-DP algorithm with a lumped preconditioner for elliptic problems. Numerical results are included.-
dc.languageEnglish-
dc.publisherSIAM PUBLICATIONS-
dc.titleA FETI-DP FORMULATION FOR THE STOKES PROBLEM WITHOUT PRIMAL PRESSURE COMPONENTS-
dc.typeArticle-
dc.identifier.wosid000277836100006-
dc.identifier.scopusid2-s2.0-77649087889-
dc.type.rimsART-
dc.citation.volume47-
dc.citation.issue6-
dc.citation.beginningpage4142-
dc.citation.endingpage4162-
dc.citation.publicationnameSIAM JOURNAL ON NUMERICAL ANALYSIS-
dc.identifier.doi10.1137/080731876-
dc.contributor.localauthorLee, Chang-Ock-
dc.contributor.nonIdAuthorKim, Hyea Hyun-
dc.contributor.nonIdAuthorPark, Eun-Hee-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorFETI-DP-
dc.subject.keywordAuthorStokes problem-
dc.subject.keywordAuthorlumped preconditioner-
dc.subject.keywordPlusLINEAR ELASTICITY-
dc.subject.keywordPlusBDDC-
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