A Neumann-Dirichlet preconditioner for a FETI-DP formulation of the two-dimensional Stokes problem with mortar methods

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dc.contributor.authorKim, Hyea Hyunko
dc.contributor.authorLee, Chang-Ockko
dc.date.accessioned2009-02-17T06:21:44Z-
dc.date.available2009-02-17T06:21:44Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2006-
dc.identifier.citationSIAM JOURNAL ON SCIENTIFIC COMPUTING, v.28, no.3, pp.1133 - 1152-
dc.identifier.issn1064-8275-
dc.identifier.urihttp://hdl.handle.net/10203/8510-
dc.description.abstractA FETI-DP (dual-primal finite element tearing and interconnecting) formulation for the two- dimensional Stokes problem with mortar methods is considered. Separate sets of unknowns are used for velocity on interfaces, and the mortar constraints are enforced on the velocity unknowns by Lagrange multipliers. Average constraints on edges are further introduced as primal constraints to solve the Stokes problem correctly and to obtain a scalable FETI-DP algorithm. A Neumann Dirichlet preconditioner is shown to give a condition number bound, Cmax(i=1),...,N{(1 + log( H-i/ h(i)))(2)}, where H-i and h(i) are the subdomain size and the mesh size, respectively, and the constant C is independent of the mesh parameters H-i and h(i).-
dc.description.sponsorshipThis work was partially supported by KRF-2002-070-C00004 and KOSEF R01-2000-00008.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherSIAM PUBLICATIONS-
dc.titleA Neumann-Dirichlet preconditioner for a FETI-DP formulation of the two-dimensional Stokes problem with mortar methods-
dc.typeArticle-
dc.identifier.wosid000239701100016-
dc.identifier.scopusid2-s2.0-34249045693-
dc.type.rimsART-
dc.citation.volume28-
dc.citation.issue3-
dc.citation.beginningpage1133-
dc.citation.endingpage1152-
dc.citation.publicationnameSIAM JOURNAL ON SCIENTIFIC COMPUTING-
dc.identifier.doi10.1137/030601119-
dc.contributor.localauthorLee, Chang-Ock-
dc.contributor.nonIdAuthorKim, Hyea Hyun-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorFETI-DP-
dc.subject.keywordAuthormortar methods-
dc.subject.keywordAuthorNeumann-Dirichlet preconditioner-
dc.subject.keywordAuthorStokes problem-
dc.subject.keywordPlusELLIPTIC PROBLEMS-
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