流固耦合的论文Implicit fluid–structure coupling for simulation英文学习材料

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1、INTERNATIONALJOURNALFORNUMERICALMETHODSINFLUIDSInt.J.Numer.Meth.Fluids2002;40:467–478(DOI:10.1002/
d.306)Implicit
uid–structurecouplingforsimulationofcardiovascularproblemsJ.M.T.Penrose1;∗andC.J.Staples21DepartmentofMedicalPhysicsandClinicalEngineering;UniversityofShe

2、eld;RoyalHallamshireHospital;GlossopRoad;She
eldS102JF;U.K.2AEATechnologyEngineeringSoftware;Building8.19Harwell;Didcot;Oxon.OX11OQJ,U.K.SUMMARYAthree-dimensional(3-D)transientsolid–
uidcouplingsystemhasbeendevelopedinordertostudycardiovascularsystemsanddevices.Thesyst

3、emutilizedtwocommercialimplicitsolvers,whichex-changedboundaryparametersfromseparatemeshesoveracommoninterface.Facilitywasmadeforthespatialinterpolationoftheseexchangeparameterssothatthesolidand
uiddomainmeshesneednothavesimilardensityortopology.Stabilityalgorithmswere

4、addedtotheiterativecouplingprocess,aswerealgorithmstosmoothorentirelyremeshthe
uiddomaininteriorsubjecttothedeformationsimposedatthesolid–
uidinterface.Severalapplicationscenarioswereundertaken,wherebysimulationresultscouldbecomparedtoeitheranalyticalordetailedexperime

5、ntaldata.Itwashopedtheywouldalsooerfurtherinsightintotheoperationofanumberofclinicaldevices.Theresultsofthesecom-parisonsshowthatthesimulationofcomplexcardiacsystems,withnon-linearsolid–
uidinteractions,cannowbeachievedwithsucientaccuracytobeofsignicantbenettomanuf

6、acturers.Copyright?2002JohnWiley&Sons,Ltd.KEYWORDS:FEA;CFD;
uid–structurecoupling;cardiovascular1.INTRODUCTIONOvertheyears,implantableandextra-corporealdeviceshavesignicantlyimprovedthelife-expectancyandqualityoflifeofpatientssueringfromcardiovasculardisease.However,

7、therearealsosignicantproblemsandcomplicationsassociatedwithmanyofthesedevices.Thesecouldbepartiallyaddressedbybetterdesignworkarisingfromabetterunderstandingofthefunctionofthesedevices,andtheirinteractionwiththeirphysiologicalsurroundings[1].Simulationofthesesystemsca

8、nprovidevaluableinformationthatcanbefedbackintothedesignprocess.Thus,dierentmaterialsandgeometriescanbeevaluatedrela