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dc.contributor.authorPage, Ana M.
dc.contributor.authorGrimstad, Gustav
dc.contributor.authorEiksund, Gudmund Reidar
dc.contributor.authorJostad, Hans Petter
dc.date.accessioned2018-12-10T07:04:52Z
dc.date.available2018-12-10T07:04:52Z
dc.date.created2018-11-23T11:56:33Z
dc.date.issued2018
dc.identifier.citationComputers and geotechnics. 2018, 106 314-326.nb_NO
dc.identifier.issn0266-352X
dc.identifier.urihttp://hdl.handle.net/11250/2576708
dc.description.abstractThis paper investigates numerically the impact of multidirectional cyclic loads on the response of a monopile in clay supporting an offshore wind turbine (OWT). The results indicate that multidirectional loading modifies the foundation stiffness and hysteretic damping, which affects the OWT eigenfrequencies and damping. Based on these results, a macro-element model to represent the monopile response in the time-domain integrated load simulations employed in OWT design is proposed and verified against finite element analyses (FEA). The verification indicates the macro-element can simulate the monopile response with almost the same accuracy as FEA, but with a considerable reduction in computational effort.
dc.language.isoengnb_NO
dc.titleA macro-element model for multidirectional cyclic lateral loading of monopiles in claynb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionsubmittedVersion
dc.source.pagenumber314-326nb_NO
dc.source.volume106nb_NO
dc.source.journalComputers and geotechnicsnb_NO
dc.identifier.doi10.1016/j.compgeo.2018.11.007
dc.identifier.cristin1634221
dc.relation.projectNorges forskningsråd: 243984nb_NO
cristin.unitcode7452,4,2,0
cristin.unitnameComputational Geomechanics (CGM)
cristin.ispublishedtrue
cristin.fulltextpreprint
cristin.qualitycode1


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