教案ansys全部软件mechanics

MechanicalGraphics/PostLinearSMARTExternalStructuralAdditive

AnsysCompositePrepPostMaterialExplicitLS-DYNA(12.0RigidBodyAnsysDistributedComputeServicesBetaMechanical–LinearStructuralLS-DYNADistributedComputeServices2AnsysMechanicalLinearDynamicsSMARTMechanicalLicenseOptionsinMechanicalnowsupportsconfigurationoflicenseLicensescanbemove“Up/Down”and“Disabled”.Oncechangesaremade,savingandclosingMechanicalenablesthefirstrelevantlicenseinthelist5ImportedElement导入的单元方Importandmap“ElementOrientation”anglesfromexternaldatafilesCanbeusedinconjunctionwithdependent

6

使用上下文菜单轻松设置迹线，电介质和过孔的材Easilysetmaterialsfortraces,dielectric,andviasbyusingtheQuicklysetsallrowstoselected快速将所有行设置为选定的物7Assembly

ItispossibletoenableAssemblyHierarchyinpreferenceswhichwillautomaticallyaddfolderstomatchtheCADgrou ofthegeometrybeingimportedintotheproductAftersetAftersettotorestorethestructureafteruseredits,ifDefaultsetto8求解信息的新接Thefollowingcontacttrackerstypeshavebeenadded:添加了以下接 类型 Contact Convergence Contact 9AbilitytoUploadandDownloadUserDefined能够上传 用户定义的文Mechanicalnow Uploadingofadditionalfilestoremotemachines DownloadingofadditionalfilesfromremotemachinestoSolverDirectoryAllowforDeletionofExternal

允许删除外部数UserscannowdeleteimportedcollectionsofexternalIftheobjecthasaReadOnlytag,itmustbesetto“No”beforedeletionis如果对象具有只读，则必MassObjectsnowAcceptCommandCommandobjectscanbeusedforPointMass,ThermalPointMass,andMass

Command可用于点质量，热点质量和分布式质量ThisissupportedfortheMAPDLandRBDTheDistributedMassobjectnowuses“_tid”andcanbespecifiedinthecommandSystemCouplingStructuralSystemCouplingobjectsnowsupportsvolume forstructuralOptimizingLoadingoftheTreeinMechanicalnowenablesloadingofTreeNodessuchasgeometry,contactsandnamedselectionsondemand(whenexpanded)Mechanical现在可以按需加载树节点，例如几何，接触和命名选择（扩展时LS-DYNAOption MechanicalnowsupportsaddingLS-DYNA ysisinMechanical.ThisoptionesavailablewhentheextensionisloadedReferencetoResultFileforThermalStressandNewoptionontheEnvironmentcontext ImportedLoad(ResultUsersrunningthermalstressandsubmodelingysesnowcandirectlyselectandimportaresultfile(.rstor.rth)asimportedloadinsteadofhavingtolinkthesystemsintheprojectschematicThereferencingresultfilecanbeanywhereondisk,eitherfromaseparate ysis,oranotherWorkbenchproject,orMechanicalMAPDLMechanicalMAPDL。SupportAllCategoriesforPaneToolbar支持窗 自定义的所有类NewUIOptionforToolbarShowAllBydefaultthisoptionisturnedoff,onlythecategoriesrelevanttothespecificpaneareWhenturned“On”,allcategoriesarelisted.Thiscoverstoolbarsfromallpanes,commandsfromallribbontabs,userbuttons,externalACTextensions,whichgivesuserthe izedflexibilityfortoolbarcustomizationSelectAll nar新选项允许用Newoptionallows

tofindandselectall 选实体具有相entitieswiththesame

XYZ位置locationastheselectedentity所有共面实Becauseitrequiresa relationshipbetweentheentities,itismoreexclusivethantheregular“SelectBySameLocation”feature

因为它需要实体之间的共TheTheresultofusing“SelectAll narEntitiesWiththeSameLocation”withSharedSelectionaunion,selectingALLrelated

转换为功能执行联合NewSharedoptionperformsOnlysharedfaces2edgesOnlysharedfaces2edges新的共享选项执行交集，仅选择所有选择共享的实MechanicalPostWorkingwithLegendsthatpanyMechanicalresults,cannowbemodifiedthescriptingconsole,tochangetheirbehaviorand 现在，可以通Workingwith

StandaloneLegendSettingsobjectscanbecreated,whichcanbeusedtocopylegendsfromoneresulttoanotherorapplythesamelegendsettingstomultiple mentsusingMeshIndependent使用网格无关的Mechanicalprovidestheabilitytodefinerein mentswithinastructurefor3DStaticstructuraland3Dsteady-state ysis. al-stress isalsoForanappropriatemodeledgeometry,MechanicalusesmeshindependentmethodcreatespecializedreinforcingelementstoprovideextrareinforcingtothestandardstructuralandthermalelementsofthebasestructureLinebodieswillbeusedfordiscretereinforcingmodelingandsurfacebodiesforsmearedreinforcingmodeling mentsusingMeshIndependentTospecifyageometricbodyasarein ment,selectthisbodyonthetreeandthensettheModelTypepropertyoptionto“Rein 要将几何体指定为钢筋，请在树上选择该几何体，然后将模型的“类型”属性选项设置为“加强” mentsusingMeshIndependentForlinebodies(discretereinforcing),youalsoneedtospecifyappropriateCrossandMaterial

对于线体（离散加固），您还Forsurfacebodies(smearedreinforcing),thehomogeneousmembranecanbespecifiedas“Yes(default)”or“No”.ThicknessandMaterialAssignmentisneededfortheHomogeneousMembrane

为“是（默认）”或“否”物体（涂抹增强材料），可以使用均质膜作为均质膜选 mentsusingMeshIndependentHomogeneousmembraneoption (thermal).HomogeneousMembraneoption,whensetto“No”,en uniaxialstressstate(structural)oruniaxialheatflow(thermal)Reinforcingfiberorientationcanbespecifiedusingco-ordinatesystemoftherein mentbodyorusingelementorientationobjectForHomogeneousMembraneoptionsetto“No”,fibercrosssectionareaandfiberspacingisrequiredtocreatereinforcinglayerwithequidistantfibers

流（热 mentsusingMeshIndependentThelinebodyandsurfacebodyrein mentrepresentationinMechanicalisusedtocreatethereinforcingelementsduringthesolutionprocessandthesereinforcingelementsarenotpresentinMechanicalmesh,butratherpresentintheresultsfile.Heatgenerationloadappliedtorein mentbodywillbemappedtothereinforcinglayers/fibersduringsolutionprocessTheresultscanbeevaluatedonreinforcinglayers/fibersbysco theresultsoneitherallbodiesorselectedsetofrein mentbodiesDirectPressurewithoutSurfaceEffect

Mechanicalsupportsapplicationofpressureand directlyons faces(3D)/edges(2D)insteadofcreatingSURF154/SURF153elements.Itwassupportedforsolidsintheprior

而不是创建SURF154/SURF153单元。早期版本中支持固体ItisexposedusingAppliedBypropertyforvectorpressure, pressurefors Mechanicalsupportsapplicationofimportedpressureonsolidsands elementfacesorcornernodesdirectlywithoutcreatingsurfaceeffectelementsItisexposedAppliedByforimportedpressurewithtwooptions“Surface(default)and“Direct”.DirectoptionisthenewlysupportedoptioninthisDirectPressurewithoutSurfaceEffectUsing“Direct”option,theloadsareapplieddirectlytoelementfacesandhenceimprovesthesolutiontimeofthemodelaswellasthememoryfootprintbecausesurfaceeffectelementsarenotcreated.ThisisnotsupportedoptioninthepresenceofCracks,SMARTcrackgrowth,NonlinearAdaptiveregion,componentmodesynthesisandcyclicsymmetry使用“直接”（Direct）选项，可将载荷直接施加到元素面，因此可改善模型的求解时间以及内存占LinearOnDemandResultCalculationinImproveperformancebyreadingelementalresultsfrom.rstfile(expansionfromharmonicisthen towritemodalcoordinatesin.rfrqand.rdspfilestoreducetheirsizeSupportfrequencyresponsechartsinSupportvelocityandaccelerationinSupportReaction s(probesinharmonicandtransient,frequencyresponsechartsinharmonic)

E-MotorNVHWorkflowSupportinterpolatedRPMs(reducethenumberofexplicitlysolvedsolutions)forremotes/moments,surface densityandbody DiscoveryDatabaseDiscoveryallowsMechanicalexportasDSCODATExportedfilecanbeimportedusingExternalStudyImportedACT Geometry,materials,pointmasses,contact,joints,loads&BCs,divers ysistypes(static,thermal,Double-clickingontheexportedfilerunstheMechanical

Mechanicalsupportsimportingtemperaturesfromexternaldatatomodal ysis.ItisaddedasImportedBodyTemperatureloadinmodal ImportingTemperaturesasInitialConditioninThermalMechanicalsupportsapplicationofimportedtemperaturesas“InitialforTransientThermal,Thermal-ElectricandSteady-StateThermalApplyAspropertyin“ImportedTemperature”appearsfortheseysisanditcanbesettoeither“BoundaryCondition”or“InitialCondition”.ysisTieshouldbesetto“0”forittobeappliedas“InitialCondition”MAPDLmigrationto -SolidContactToenhanceaccuracyofsolution,MechanicalnowissuesSHSDMAPDLcommandfors -solidcontactbydefaultforstructuralphysicsThiscommandcreatesadditionalcontactelementstoimprovethesolutionaccuracyThisfeatureisONLYsupportedforBondedcontactwith“MPC”formulationandtheConstrainttypespecifiedshouldbe“Projected”, cementOnly”or“ProjectedUtoROT”“ -SolidContactShownbelowisanexampleofhows solidcontactinterfacewhencombinedwithSHSDcommandimprovestheaccuracyofthesolutionbycreatingsmoothedresultsWithoutWithoutWithNamedSelection duringNon-linearAdaptive Mechanicalcanpreservenamedselectionsduringthesolutionprocessinthepresenceofanon-linearadaptiveregion,whichcausestheremeshduringsolutionThisfeaturecanhelpuserstoevaluateresultsontheelementalnamedselectionregions,whichweredefinedbeforethesolutionprocessandweremodifiedduetoremeshingduringthesolution此功能可以帮助用户评估在求解过程之前定RemoteLoadsSupportedwithNon-linearRemote cement,andMomentLoadscanbescopedtopartsbelongingtoNon-linearAdaptiveRegion.Thedeformable,coupledandrigidbehaviorofremoteentitiesaresupported位移，力和力矩载荷可的零件范围内。支持实体的QuasiStaticSolutioninStatic

包括Off“（DefaultandOn”Static ysisinWorkbenchMechanical析支持将解析为准静态的属性。包括Off“（DefaultandOn”nowsupportsapropertytosolve ysisquasi-static.Theoptionsforthisproperty

“Off”(Default)and“On”.Thisimpliesthatthereisnoneedtocreatetransientsimulationset-upsforysiswhichhaveveryslowlyoccurringtransientForQuasiStaticapplication-basedsettings,theBackward-Euleralgorithmisused.Inaddition, energyandtheworkdonebyanyexternalloadingconditionisconsideredforquasistatic

LoadedAreaOptionforPressureandImportedPressureandImportedPressureobjectsinWorkbenchMechanicalnowsupportapropertytospecifytheareathatshouldbeconsideredduringpressureloadapplication.Optionsinclude“Deformed”and“Initial”Defaultoptionforpressureis“Deformed”whereasdefaultoptionforimportedpressureis“Initial”areaLoadedAreaOptionforPressureandImportedThe“Initial”optiontreatsthescopedsurfaceareaasaconstantthroughouttheUsingthe“Deformed”option,theapplicationincorporatesthechangeinthesurfaceareaasaresultofdeformationthroughoutthe TheselectionforthispropertycanbeofsignificanceduringlargedeflectionResults:Results:InitialAreaResults:DeformedAreaRestartcontrolsinMechanicalsupportsgeneratingrestartpointsforaspecificloadstep.Theuserneedtoselection"Specify"optionandthenspecifytheLoadStep

Ifarestartisperformedusingarestartpointfromwithinaloadstep,thentheProgramControlledAutoTimeStep optionforthatloadstepwillnotsetanysub-steportimeincrementinformation.Therestartsolutioninthesecasesusesthesub-stepsortimeincrementvaluespecifiedforthesolutiondonewithoutrestartsReverse cementDirectionforInverse

Forinverse ysisinStaticStructural,MechanicalnowsupportsanewpropertycalledReverseDirectionForInverseStepsandisapplicablewhenallstepsareinversesteps.Ittakesoptionof“No”(default)and“Yes”.Whensetto“Yes”,the cementsareappliedinreversedirectionininversesteps.ThisalsoreflectsongraphicswithoppositearrowandreversekeywordinannotationMiscellaneoustabfromMechanicalpreferencescanbeusedtochange coefficentforMSUPInMSUPharmonic ysis,userscannowchoosetospecifydam usinga Ratio”or“ConstantStructuralDam Coefficient”.Defaultsetto Ratio”.When“ConstantStructuralDam Coefficient”isselected,theDMPSTRcommandwillbesenttotheMAPDLsolver.Inpriorrelease,onlyDMPRcommandassociatedtodam ratiopropertywassupportedAllTabularLoadingoptionsarenowsupportedforimportedloadsinthepresenceofcyclicsymmetryMiscellaneousCoupledField ysesnowsupporttwo-dimensional(2D)bodieswith nestressbehaviorandnon-unitthicknesses.um issupportedunderSolutionReactionandMomentReactionProbesarenowsupportedinpresenceMissingMassandRigidResponseEffectfortheavailableRSBasePre-stressedmodal ysisinthepresenceofcyclicsymmetrywillspecifytherangeofharmonicindexforMAPDLsolvertoselecttheoptimumdistributedsolveroption(basedoffrequencyorSolverDataAPI–ImportedTheimportedloadssupportedareImportedPressure,ImportedConvection,ImportedHeatFluxandImportedSurface ThesolverdataAPIexampleisSolverDataAPI–ImportedTheimportedobjectdatacollectionisextractedusingtheimported_object_data=solver_data.GetObjectDataTheexampleshownbelowisgettingthecollectionofco-ordinateSolverDataAPI–ImportedTheImportedContactssupportsAPIforSourceIdandTheImportedRemoteConnectorsupportsAPIforSolverDataAPI–ImportedTheImportedSpringConnectorssupportsAPIforElementIdandTheImportedBoltPretensionsupportsAPIforandFractureandSMARTCrackFractureMechanicsNew

Fractureparameterscalculationnowsupportgeneraltractionloadoncrack FractureparametersincludeJ-IntegralandStressIntensityFactors(KI,KII,T SupportallthesurfacetractionloadoptionsviaSF,SFEwithT Supportsolidelements185,186,and187witheitherUMMonor SMARTmixedmodecrack Mixedcrackgrowthisbased SupportbothstaticandfatiguecrackSMARTrobustness Generalenhancementtorobustnessincludingremeshingrobustness,elementreductionintheremeshing,memoryusage,optimizingremeshingvolumeSMARTinitialstrain InitialstrainisnowsupportedforSMARTcrackgrowthforbothstaticandfatiguecrackgrowth Initialstraincanbeeithernodesorelementintegrations Walker Forman Fatiguecrackgrowthlawconstantscanbedefinedas

0

Forman(R=0) Forman(R=0.25) Forman(R=0.5) Forman(R=0.9) Fracture–GeneralTractionLoadonCrackFractureparametersincludeJ-IntegralandStressIntensityFactors(KI,KII, FractureparameterscalculationisdefinedviaCINTSupportallthesurfacetractionload SurfacetractioncanbedefinedviaSForSFEcommandfornormal SurfacetractionscanbedefinedviaSFandSFEwithSupportsolidelements185,186,and187witheitherUMM“On”orFracture–GeneralTractionLoadonCrackProblemPennyshapecrackwithcircumferentialsheartractioninaninfinitemedium

!radiusofcrack,!maxsheartraction,!cylindrical!SFalong'theta'!SFgradient,!SFgradient,-!removeSFGRADK3(infinitemedium)K3(infinitemedium)Fracture–GeneralTractionLoadonCrackFEmodelFEmodelandFEPennyshapecrackwithcircumferentialsheartractioninaninfinitemediumFEK3(MPaJINT(infinitemedium)SOLID186,21.2(-3.44E-3(-SOLID187,20.0(-3.19E-3(-SMART–MixedModeCrackGrowthSMARTmixedmodecrack Supportbothstaticandfatiguecrack Mixedcrackgrowthisbasedon stresscriterion 1cosK1cos 2 3K2 K28K2cos1 II K

9K Forfatiguecrackgrowth,anequivalentstressintensityfactorrange,Keqv,isused:af , 1

PredictionofcrackgrowthPredictionofcrackgrowth

SMART–InitialStrainSMARTcrack ysis(staticorfatigue)supportsinitialInitialstrainmaybenode-basedorelement-based,definedAsmeshchangesduetoremeshingduringSMART ysis,theinitialstrainsaremappedfromtheoldmeshtothenewmesh.Generally,node-basedinitialstrainoffersbetterpost-map doeselement-basedinitialstrain.SMART–InitialStrainCCTspecimenCCTspecimen

S0=20 ne Sxx=Syy=Szz=KI af(a/Wexx=exx=-v*(1+v)*S0/Eeyy=(1-v2)*S0/Eezz=0

f(a/W)

tanaa2Wa2WFEmodel(CCTa=10mma/W=1/6FEmodel(CCTa=10mma/W=1/6E=200GPav=0.3Uz=0atfrontandbackSMARTSMARTStaticCrackCriticalSIF,KIC=100MPamm0.5FE neFEa(MPa(MPa(MPaSMART–AdvancedFatigueCrackGrowthK1AdvancedFatigueK1FormanTabulartableoption(da/dNvs∆K

StressR=△K=Kmax(1-SMART–AdvancedFatigueCrackGrowthModifiedformofParislawPredictionofda/dNinstage-IIoffatiguecrackIncorporatestheeffectofstressratioϒisamaterialconstant(typicallyaround0.5,butcanvaryfrom0.3to1*)Logarithmictemperatureinterpolationforconstant#Walker,K.,1970.Theeffectofstressratioduringcrackpropagationandfatiguefor2024-T3and7075-T6aluminum.InEffectsofenvironmentandcomplexloadhistoryonfatiguelife.ASTMInternational.*Dowling,N.E.,2012.Mechanicalbehaviorofmaterials:engineeringmethodsfordeformation,fracture,andfatigue.SMART–AdvancedFatigueCrackGrowthFormanFormanModifiedformofParislawPredictionofda/dNinstage-IIandstage-IIIoffatiguecrackgrowthIncorporatestheeffectsofstressratioRandfracturetoughnessKC ysisofcrackpropagationincyclic-loadedJ.FluidsEng.,89,SMART–AdvancedFatigueCrackGrowthTabulartableoptionallowsusertodirectlyspecifyfatiguecrackgrowthasatabulartablewhichcrackgrowthincrementpercycle,Da/DN,isfunctionstressintensifyfactorrange, af(C,a, LinearinterpolationonLOGSMART–AdvancedFatigueCrackGrowth010123C0=1E-m=ϒ=Walker Walker Walker Walker

C=1E-10n=2.5Kc=

Forman Forman Forman Forman FormanExternalImportAbaqusThefollowingsetofcommandsfromAbaqusinputfilesdefine(nonlinearinthisexample)bushings ImportAbaqusBushingsfromAbaqusfilesarenowimportedas“Multidof(Bushing)”SpringConnectorswithstiffnessandStopCoefficientsmatricesandtablesSupportAbaqus*CHANGEFRICTION*CHANGEFRICTIONinthefirst*STEPcannowbeusedtochangethefrictioncoefficientofacontactin Import*.acmoAcmofilesarebinaryfilesthatcanbewrittenfromMechanicalandthatcontainonlyExternalmodelnowallowsimportingAcmo(*.acmo)AutomaticSupportingFilesSupportingfiles(includesforLS-DYNA/Abaqus/Nastran)arenowautomaticallypopulatedfortheuserHandlingInputFileApplicationSourceisnowautomaticallyinferredbasedonthefileextensionandfilePerformanceLS-DYNAfilesarenowimportedassinglepart/manybodiesmodelsforbetterAbaqusfileswith tyof*CLOAD/*DLOADarenowimportedInputfilesspecifiedintheexternalmodelsystemarenownotcopiedintheWorkbenchproject.ThisallowsfasterimportsandsmallerprojectsizesforlargefilesHandlingMAPDLExternalmodelonlysupportsAnsysMAPDLinputfilesthatareinthe“Blocked 的AnsysMAPDl输入文Filesthatarenotinthe“BlockedCDB”formatareautomaticallydetected,andapythonscriptisprovidedtoconvertto“BlockedCDB”forma可以自动检测到 的cdb格式”以外的文件并提供 以转换为 的CDB格式EncryptionandDecryption‐HavebeenavailableformanyPreviouslyonlylistedintheProgrammer’sationmovedintoCommand‐NowreliesonOPENSSL’scryptographylibraryforencryptionanddecryptionusingAES-GCMalgorithmPreviousalgorithmwasOPENSSLprovidestrustedstrengthagainstattemptsto umpasswordlengthhasincreasedfrom8to32AddsdefenseagainstmisuseviaGCMWrongpasswordDatatamperingBulkInputNewBFBLOCKandBFEBLOCK Codeddatabasefilecommandsforbulk FasterinputthanexistingBFandBFEcommandswhenreading.cdb&.ldhifiles Fieldsincludenodal/elementnumber,bodyload,andformatdescriptor Supportsbothtabularandnumerical

4.E-3.E-1.E-

BFvs. Numberof

4x4xThesecommandsarenowwrittenbydefaultwhencreatingnew.cdb&.ldhifilesThesecommandsfollowsimilardesignasandeaseofuse

8.E-6.E-2.E-

BFEvs. Numberof

NewContactModelingCombineallthreecontactdetectionmethods ContactdetectionatGausspoint–useGaussianquadrature Contactdetectionatnodalpoint–useGauss-Lobattoquadrature Surfaceprojection–useGaussianquadratureruleon Theunifieddetectionmethodinconjunctionwithusingsymmetriccontactdefinitionworksrobustlyfornon-smoothingcontactmodeling:acontactpairmixingsurfaces,edgesandcornersunderlargedeformationsanddis cements.Interferencefit,pressfit,snapfit,andsnapthrougharetypicaluse-

结合使用对称接触定义的统一检测方法对于非平滑接触建模非常有效：接触对在大变形位移下混合了表面，边和角 配合，压配合，搭扣配合和搭扣是典型的用RemoteRemote TimePretensionloadConsistentdefinitionTimePretensionloadTimeRotated60°TimeRotated60°aboutxBydefaultZ-axiscylindricaljointfor3DLocalcartesiancoordinatesystemwillbegeneratedatjointnodeCylindricalco-ordinatesystemisallowedforPreloadmethodNewPreloadtechniquebyBeamnodesdirectlyconnectwithjointelementiscreatedbetweentwobeamnodes;nosurface-basedNewPreloadtechniquebyPretensionloadPretensionloadRotated60°aboutx-DistributedConstraint

力分布约束的改MPCbasedformulationisimprovedunderthefiniterotationframeworksothatmuchlargerrotationincrementscanbeappliedtoachieveconvergencesthaninthosethe releases.Largero on-basedpretension/pre-torquewillbenefit在有限旋转框架下改进了基于MPC TheLagrangemultipliermethodisdevelopedbyincludingstressstiffeningmatrixtoimproveconvergencesomesituationswheretheMPCmethodhasconvergencedifficulties.TheLagrangemultipliermethodcanimproveperformancewhenalargenumber -distributedconstraintpairsaredefinedina2020R12020R12020R2

ElapsedElapsed2020R12020R2 ~5x2020R2240~1.5x2020R12020R25482020R2537ContactRobustness

Thecontactelementsettingsforinitialinterferenceram optionsarenolongerdependentonthesolutionlevelKBCcommandsetting.Theinitialpenetrationorgapisnowrampeddownevenwhenthesolutionlevelloadsarestep-applied(asthedefaultintransient ImprovementmadeforlocalcontactsearchinglogictopreventmissingcontactExample:Electricalconnector Malepart:18 Femalepart:22 4groupsofterminal stic,andcopperAssemblyFEA ysisandContactRobustnessNonlinearsolutionrobustnessisimprovedforproblemsinvolvingMPCgeneratedbycontactelementswhenthepredictoris“On”.Improvementshowsespeciallyforcaseswithlargerotations,orcasesthatbisects(ROPSmodel)Bisectionlogicisimprovedtopreventcontactstatuserrorsandunnecessarysolutionbisection(ROPSmodel)Contactdam logicisimprovedtopreventunexpectedpoorconvergence(bolted-jointmodels)patternforamodelwith20202020R1:2020R2:ContactRobustnessRobustnessimprovementforprojectioncontactbytighteningsurfaceprojectiontolerance(turbinediscmodel)20202020R12020R2convergence1.3x2020R2convergence1.3x -to-SolidMechanicalnowautomaticallycreatesadditionalvirtuals elements(SHSDcommand)forimprovedsolutionaccuracyforcontactconditionsbetweentheedgeofasurfacebodyandthefaceofasolidbodyFixbadvirtualelementsatintersected SHSDVirtualsVirtuals2020Virtuals2020InsulatedThermalAninsulatedthermalcondition(KEYOPT(3)=2ofthetargetelement)isnowavailableforthermalcontact Convectionandradiationtotheenvironmentareignoredwhencontacthasafar-fieldstatusOnlynear-fieldconvectionandnear-fieldradiationbetweenthecontactandtargetsurfacesaretakenintoaccount

FarFarfieldHeatfluxto HeatfluxtoNoheatfluxtoQuasi-StaticSolutionExtendedtoAllPhysicsTypes(GasThequasi-static(BackwardEulertimeintegration)nowsupportsallphysicsaswellascoupledCoupledphysicsproblemswherestaticstructuresimulationisdifficulttoconverge(RBM,localbuckling)willbenefitQuasi-Quasi-CoupledStructure-ThermalproblemQuasi-Static:271i tionsCoupledStructure-ThermalproblemQuasi-Static:271i tions(onlysolvedin2020R2)Fulltransient:1652i Enhanced cementconvergencereferencevalueimprovedforcaseswithmultipleloadstepsHighreferencevalueHighreferencevalueduetoonelargeincrementinmaking cementconvergencechecktobetooOverall,expectedtoimprovenon-linearproblemssolutionrobustnessandrepeatabilityCurrentincrementCurrentincrement cementusedtocalculatethe ForForthepurposeofsolutionmonitoring,theprogramnowusesadefaulttolerancevalueof0.1tocalculatethecontactpair-based convergencenormandthecontactpair-based convergencecriterion(requestedviaNLDIAGorNLHIST).Thisisnotacheckforlocalconvergence,butisausefultoolfornonlinearQuadDominantMeshingOptionfor3DSmeared20202020Triangular20202020GreatlyimprovedmeshReducedmodelBettersolutionApplicabletobothlinearandquadratic3DsmearedreinforcingNewCommandBFPORTforBodyLoad…Previouslyloadonreinforcingelements…BFPORTseparatesloadapplicationfromAllowsforbodyload(HGEN)applicationtoreinforcingelementsanywhereinpre-processingorsolutionEssentialforsuccessfulWorkbenchMechanicalexposureofmesh-independentreinforcingfeaturesCompletesfunctionalitiesrequiredforPCBsimulationwithmesh-independentREINFs2DThermal mentCompatiblewith2Dthermalsolid NE292(2D,4Node) NE293(2D,8SupportedElement− −1:− newithZ-depth,specifiedviarealconstantSupported−Heatgenerationas−Heat−Completesthereinforcingelementfamilyfor2D/3D ThicknessInputfor2-DCoupled-FieldCoupled-field NE222 NE223nowallowforthickness 3-Dcoupled-fieldproblemsthatcanbesolvedmoreefficientlyusing2- ne nestress Improvedrobustnesswithconsistenthandlingofthickness2D:2D:NumberofEquations=3D:NumberofEquations=Electric ysisofathin tewith neelectriccurrentSOLID185withEnhancedStrainsin SOLID185enhancedstrainformulations,SoLID185完整和简化的增强应 bothtotalandsimplified,nowsupportedforinversesolvingEnhancedstrainswithorwithoutmixedu/Pformulationallowed允许有或没有混合upSuccessfullyaddressedrequestsfromturbineGreatlyextendedinverse applicability,withimprovedaccuracyforbendingdominantproblemsThermo-MechanicalFatigueMaterialsParameterICThermomechanicalfatiguemodelinginvolvesmaterialsthatrequiremultipleconstitutivebehaviorstobemodeledfromthesameexperimentaldataoracombinationofexperimentaldatamodelingtheindividualIC BilinearIsotropic Rate sticitywithPeryzna,PierceandEVH IsotropicStatic IsotropicUniaxialloadingissupportedingeneralandmayinvolveddatathatincludesstrainorstresscyclingandstress/strainholdloadingAIbasedautomaticinitializationofparameterstoimprovethefittingprocessandtruncatetheuserlearningcurve ExperimentalDataweightingtoimproveaccuracyincertainregionsofexperimentaldataasneededbytheuser Generalcommandframeworktosupportfittingofothermaterialmodelcombinationsaswellinthefuture Abilitytoturnonandoffconstitutivebehaviortostudyandfit PlottingcapabilityfromthecommandExamplesofParameterFittingProcessandSelectModelsandStressVsStressVsTimeStressVsStrainAccelerated Inindustriessuchasaerospace,automotive,nuclearpower,electronics,ponentsexperiencefatigue Lowcyclefatigue(LCF)andthermo-mechanicalfatigue ysisessentialforaccurate ysisofNewcyclic-loading ysistoolallowsfortheNewcycle-jump ysistoolallowsfortheaccelerationoffatigue ysisbyjum acrosscyclesbasedoncontrolfunctioncriteriaCyclebycycleevolutionoftypicalsolutionparameter Cycle-to-cycleresultsareCyclebycycleevolutionoftypicalsolutionparameter CanpotentiallygreatlyreducesolveExampleofAccelerated Thermomechanicalfatigue(TMF) Nonlinearkinematichardening(Chaboche) stic Specimensubjecttopressure, cement,andtemperature UsercanspecifyNnumberofcyclesfor TotalTotalcyclesjumped:57outofCycleCyclejumpsoccurbasedoncontrolCycle-jumpsolutionagreeswithreferenceatfinaltime(equivalentstressshown)PCGSolverImprovedsupportfor ThisoptionallowsPCGsolvertobeusedwithmodelscontainingMPC184joint Lagrangemultiplierequationsareautomaticallyconvertedtoconstraint Robustnessandperformanceofthisfeaturehavebeen SupportfordistributedAnsyshasbeen Thisfeatureisnowenabledbydefaultwhenit Caveat:onlyrigidlink/beamandsliderjointtypesaresupportedatthis OtherMPC184jointelementtypesrequireuseofthesparseDistributedAnsysImprovedImprovedscalingformodelsinvolvingbonded(linear)contactpairsathighercoreMPIlibrary MPI2018Update3supportisunchangedatthisIBMMPIsupportisdroppedatthisOpenMPIv3.1.5supportisnewatthisrelease→forLinuxMPIsupportisupgradedfromv7.1tov10.0→forWindowsDMPScaling2020DMPScaling202020208421NumberofSolutionImprovedscalingformodelsinvolvinglinearcontact(turbine5050MDOF;SparsedirectNonlinear,static ysisinvolvinglargedeflections,20equilibriumi contactpairsLinuxcluster;eachcomputenodecontains2 tinum8260Lprocessors(48cores),192GBRAM,SSD,CentOS7.7,MellanoxHDRviatheEndeavorMiscellaneousUpgradedtothe 2020MKLPulledmemorymanagercodeintoanewcomponent→ ationofFORTRANandCStructuralMorphingandSIMPAbouttheOptimizationNewcapabilitieshavebeenbroughtinordertoformulatemorecomplexGeometricconstraint(volume,mass,centerofgravity,momentof Scopeasmanybodiesas Createasmanyoptimizationregionsascomponentsinthe EachO.R.mayhaveitsownsetofmanufac