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dc.contributor.authorAiraksinen, Tuomas
dc.contributor.authorPennanen, Anssi
dc.contributor.authorToivanen, Jari
dc.date.accessioned2011-01-12T10:17:34Z
dc.date.available2011-01-12T10:17:34Z
dc.date.issued2009
dc.identifier.citationAiraksinen, T., Pennanen, A. & Toivanen, J. (2009). A damping preconditioner for time-harmonic wave equations in fluid and elastic material. Journal of Computational Physics, 228 (5), 1466-1479. doi:10.1016/j.jcp.2008.10.036
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/25782
dc.description.abstractA physical damping is considered as a preconditioning technique for acoustic and elastic wave scattering. The earlier preconditioners for the Helmholtz equation are generalized for elastic materials and three-dimensional domains. An algebraic multigrid method is used in approximating the inverse of damped operators. Several numerical experiments demonstrate the behavior of the method in complicated two-dimensional and three-dimensional domains.
dc.language.isoeng
dc.publisherElsevier
dc.relation.ispartofJournal of Computational Physics
dc.subject.otherAlgebraic multigrid method, Finite element method, GMRES, Helmholtz equation, Navier equation, Preconditioner
dc.subject.otherHelmholtz equation
dc.subject.otherNavier equation
dc.subject.otherAlgebraic multigrid method
dc.subject.otherGMRES
dc.subject.otherPreconditioning
dc.subject.otherFinite element method
dc.titleA damping preconditioner for time-harmonic wave equations in fluid and elastic material
dc.typeArticle
dc.identifier.urnURN:NBN:fi:jyu-20112211789
dc.contributor.laitosTietotekniikan laitosfi
dc.contributor.laitosFaculty of Information Technologyen
dc.contributor.oppiaineTietotekniikkafi
dc.type.urihttp://purl.org/eprint/type/SubmittedJournalArticle
dc.identifier.doidoi:10.1016/j.jcp.2008.10.036
dc.date.updated2011-01-12T10:17:34Z
dc.type.coarjournal article
dc.description.reviewstatuspeerReviewed
dc.type.versionacceptedVersion
dc.rights.copyright© Elsevier
dc.rights.accesslevelopenAccessfi


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