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Enhanced multiscale restriction-smoothed basis (MsRSB) preconditioning with applications to porous media flow and geomechanics

dc.contributor.authorBosma, Sebastian B.M.
dc.contributor.authorKlevtsov, Sergey
dc.contributor.authorMøyner, Olav
dc.contributor.authorCastelletto, Nicola
dc.date.accessioned2022-08-26T17:43:08Z
dc.date.available2022-08-26T17:43:08Z
dc.date.created2021-04-07T11:59:34Z
dc.date.issued2021
dc.identifier.citationJournal of Computational Physics. 2021, 428, 109934.en_US
dc.identifier.issn0021-9991
dc.identifier.urihttps://hdl.handle.net/11250/3013930
dc.description.abstractA novel method to enable application of the Multiscale Restricted Smoothed Basis (MsRSB) method to non M-matrices is presented. The original MsRSB method is enhanced with a filtering strategy enforcing M-matrix properties to enable the robust application of MsRSB as a preconditioner. Through applications to porous media flow and linear elastic geomechanics, the method is proven to be effective for scalar and vector problems with multipoint finite volume (FV) and finite element (FE) discretization schemes, respectively. Realistic complex (un)structured two- and three-dimensional test cases are considered to illustrate the method's performance.en_US
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/deed.no*
dc.subjectMultiscale methodsen_US
dc.subjectMsRSBen_US
dc.subjectMultipoint flux approximationen_US
dc.subjectFinite element methoden_US
dc.subjectPreconditioningen_US
dc.subjectGeomechanicsen_US
dc.titleEnhanced multiscale restriction-smoothed basis (MsRSB) preconditioning with applications to porous media flow and geomechanicsen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionacceptedVersionen_US
dc.source.volume428en_US
dc.source.journalJournal of Computational Physicsen_US
dc.identifier.doi10.1016/j.jcp.2020.109934
dc.identifier.cristin1902675
dc.source.articlenumber109934en_US
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode2


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Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal
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