starccm+与Abaqus 耦合分析汇总Word文档格式.docx
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starccm+与Abaqus 耦合分析汇总Word文档格式.docx
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Mostofthefeaturesin
canbeusedinaco-simulation,includingcompressibleandincompressibleflow,laminarandturbulentflow,heattransfer,arichsetofmaterialoptions,andfree-surface,multi-species,andmultiphasedrivenflows.Theimplicitunsteadysolverisenabledforusewith
co-simulation.Formechanicalmovingboundaryproblems,theco-simulationtechniqueworkswiththemorphermotionmodeltosolvethetransportequations.Forfurtherdetails,refertothe
ModelingPhysics
sectionoftheUserGuide.
arealsoavailableforuseinaco-simulation,includingnonlinearmaterials,nonlineargeometriceffects,andcontact.Thefollowing
proceduressupportco-simulation:
staticstress/displacement,dynamic(implicitandexplicit),heattransfer(steady-stateandtransient),coupledtemperature-displacement,coupledthermal-electrical,andpiezoelectricanalysis.Theinterfacedomaincanbemodeledwithmostcontinuum,shell,andmembraneelements.
Co-simulationwith
supportswallboundaries,baffleboundaries,andporousbaffleboundariesascoupledboundaries.Inmostcases,youcanusewallboundaries.
Theuseofbaffleboundariesorporousbaffleboundariesisrecommendedformodelingthethermalresistanceorporosityofathinstructure.Inbothcases,thermalresistanceandporosityaremodeledwithinSTAR-CCM+,whereasAbaqus
modelsthestructuremechanicalresponsetothepressurefieldsentby
ApplicationsthatthisFSIcapabilitydoesnottargetinclude:
•FrequencydomainFSIproblems,includingvibro-acousticandaero-acoustic.
Suchproblemsaretreatedmoreeffectivelyusingfrequencydomainmethodsandarenotsuitedforthepartitionedsolutionapproach.The
acousticcapabilityisapplicableforsuchproblems(see"
Acoustic,shock,andcoupledacoustic-structuralanalysis"
Section6.10.1ofthe
AnalysisUser’sGuide,formoreinformation).TheHarmonicBalancemethod(afrequencydomainanalysis)in
isnotsupportedwithco-simulation.
•Structuresthataremodeledwithtruss,beam,andanyspecial-purposeelementsthatarewettedbythefluid.
Suchdiscretizationhasaninconsistentgeometricidealizationwiththefluiddomain.Ifsuchstructuralelementsexistinthemodel,theymustbelinkedtootherstructuralelementsthatunambiguouslydefinetheactualwettedsurface.Importedandexporteddataisthenmappedto/fromthiswettedsurfacetothecorrespondingsurfacein
•Problemsinvolvinginjectionmolding,casting,materialsolidification,andsuperplasticforming.
Ifthefluid-structureinterfacechangesduringthesimulation,theseapplicationsarenotsuitedfortheFSIapproach.The
InterfaceforMoldflowcanbeapplicable(seethe
InterfaceforMoldflowUser’sGuide,formoreinformation).
•Problemsinvolvingrupture,penetration,andfragmentation.
Intheseapplications,thestructuraldeformationcancauseasinglefluiddomaintoseparateintomultipledomains.
•Problemsinvolvingflowinporousmediawheretheintentionistoaccountforcoupledeffectsonthefine-scaleinternalstructureofthemedia(specifically,whereboththefluidandsoliddomainoverlap).
Thereisnoprohibitionontheuseofthelumpedparameterporousresistancemodelavailableforregionsin
STAR-CCM+,butthismodelonlyhasanimpactonthefluiddomainthat
computes.Similarly,youcanusethecoupledporefluiddiffusion/stressprocedurein
Abaqus/Standardtomodeltheporousmediaforthesoliddomain.
CouplingOptions
Co-Simulationwith
allowsforthermalandmechanicalcouplingatthefluid-structureinterface.Inthermalco-simulationanalyses,
exportsboundaryheatfluxto
andimportstemperaturedata.Inmechanicalco-simulationanalyses,
exportstractiondata(pressureandwallshearstress)to
andimportsnodaldisplacements.
Fluid-StructureInterfaceTopology
Inaco-simulationwith
Abaqus,youcanexchangedatabetween
boundariesand
surfaces(surface-to-surfacecoupling),orbetween
nodes(surface-to-pointcoupling).
Insurface-to-pointcoupling,
mapsboundaryloadsontothecoupled
node.Thisfeatureisintendedforcoupling
witharigidbodyin
Abaqus.Inmechanicalco-simulationanalyses,thedisplacementofthe
nodeinresponsetotheappliedloadscompletelydefinesthedisplacementoftherigidbody
model.Forthermalco-simulationanalyses,thecoupled
nodemusthavetemperaturespecifications.Forexample,anisothermalrigidbodyin
isspecifiedas
*RIGIDBODY,ISOTHERMAL=yes.
Surface-to-pointcouplingisonlyavailablewhenyouselect
asthemappercode.Formoreinformation,see
MapperSettingsProperties.
ExchangedFields
Thetablesbelowidentifythefieldsthatcanbeexchangedbetween
duringaco-simulation.Thefirsttabledefinesthecorrespondencebetweenthe
fieldsandthe
fieldfunctionsaswellasthedimensionalityofthefields.
STAR-CCM+
FieldName
AbaqusFieldID
Dimensionality
FieldFunctionNames
Displacement,Rotation
U,UR
L
NodalDisplacement
Velocity,RotationalVelocity
V,VR
LT-1,T-1
Velocity
LT-1
TractionVector,TotalMoment
CF,CM
F,FL
WallShearStress,StaticPressure,orAbsolutePressure
FL-2
Temperature
NT
θ
HeatFlux
CFL
JT-1
BoundaryHeatFlux
JT-1L-2
FilmProperties
(heattransfercoefficient,ambienttemperature)
CFILM
JT-1L-2θ-1
BoundaryHeatFlux,
LocalHeatTransferReferenceTemperatureorSpecifiedY+HeatTransferReferenceTemperature
Thefollowingtableliststhefieldswhichareimported(incoming)orexported(outgoing)by
foreachavailable
analysisproceduretype.
AbaqusProcedure
IncomingFields
OutgoingFields
CF,
CM
U,
UR
V,
VR
Static
-
Dynamic(Implicit)
Dynamic(Explicit)
HeatTransfer
CoupledTemperature-Displacement
SystemRequirements
Thissectiondescribesthesystemrequirementsforrunningaco-simulationwith
Abaqus.
Beforeyoustart,ensurethatthefollowingversionsof
havebeeninstalled:
•STAR-CCM+
v10.04
•Abaqus
6.14
Itisimportantthatyouverifythateachproductisproperlyinstalledbeforecontinuing.ConsulttherespectiveproductInstallationGuidesforinstallationinstructionsandproductverification.
Licensing
areseparatelylicensedproducts,andlicensesarerequiredfrombothSIMULIAandCD-adapco.Inaddition,aseparatelicenseisrequiredfortheSIMULIACo-SimulationEngine.Informationoninstallingandmanaging
licensescanbefoundunderLicensingontheSupportpageat
Informationoninstallingandmanaging
licensescanbefoundintheSettingUpLicensingsectionoftheSTAR-CCM+
InstallationGuide.ContactyourlocalSIMULIAorCD-adapcosupportofficeforassistanceindetermininglicensingrequirements.
SIMULIACo-SimulationEngine
TheSIMULIACo-SimulationEngineisasoftwarecomponentresponsibleforcommunicationbetween
STAR-CCM+.ItisdistributedandinstalledwiththeAbaqussoftwareasdynamiclinklibraries.
For
tocommunicatewith
duringtheco-simulation,itmusthaveaccesstothesedynamiclinklibraries.Tofindthelibraries,
worksthroughthefollowingthreemethods,inorder,untilithasfoundthem:
1.STAR-CCM+
usesthepaththatthe
SIMULIA_CSE_LIBPATH
environmentvariablesets.Ifthisenvironmentvariableexists,andcontainsavalidpathtodynamiclinklibraries,
usestheselibraries.Setthispathwhenworkingwithlibrariesthathavebeendownloadedseparatelytothemain
installer.
2.STAR-CCM+
locatesthelibrariesrelativetotheexecutablepathorlaunchcommandthatisgivenfor
Abaqus.TheExecutableNamepropertyofthe
Co-Simulations
>
[AbaqusCo-Simulation1]
Values
AbaqusExecution
nodetakeseitheran
commandorfullpathtothe
executable.
canusethissettingtolocatethelibraries.Thissettingissufficientwhenthedefaultdynamiclinklibrariescontainedwithinthe
installationareused.
3.STAR-CCM+
searchesthepathsthataresetinthe
LD_LIBRARY_PATH
environmentvariableonLinux,orthe
PATH
environmentvariableonWindows.Includinganypathsaddedtotheprogramenvironmentusingthe
-ldlibpathoptiononthe
starccm+
command.
Onrareoccasions,itisnecessarytoobtainupdatedversionsofthedynamiclinklibrariesfromtheSIMULIAdownloadarea.Instructionsondownloadinglibrariesseparatelycanbefoundinthedocument,“SIMULIACo-Simulati
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