摘要
Inthisstudy,asemi-analyticalformulationbasedontheScaledBoundaryFiniteElementMethod(SBFEM)wasproposedandusedtoobtainthesolutionforthecharacteristicsofatwo-dimensionaldam-reservoirsystemwithabsorptivereservoirbottominthefrequencydomain.Forsimplicity,thedamwitharbitraryupstreamfaceswasassumedtoberigidandwassubjectedtoahorizontalgroundacceleration,whilethereservoirwithabsorptivebottomwasassumedtobesemi-infinite.Thereservoirwasdividedintotwosub-domains:anear-fieldsub-domainandafar-fieldsub-domain.Thenear-fieldsub-domainwitharbitrarygeometrywasmodelledbytheFiniteElementMethod(FEM),whiletheeffectsofthefar-fieldsub-domainwhichwasassumedtobehorizontalweredescribedbyasemi-analyticalformation.Thesemi-analyticalformulationinvolvedtheeffectofabsorptivereservoirbottom,aswellastheradiationdampingeffectofasemi-infinitereservoir.AFEM/SBFEMcouplingformulationwaspresentedtosolvedam-reservoircoupledproblems.Theaccuracyandefficiencyofthecouplingformulationweredemonstratedbycomputingsomebenchmarkexamples.Highlyaccurateresultsareproducedevenifthenear-fieldsub-domainisverysmall.
出版日期
2008年06月16日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)