教案ansys全部軟件mechanics

MechanicalGraphics/PostLinearSMARTExternalStructuralAdditive

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

6

使用上下文菜單輕松設置跡線，電介質(zhì)和過孔的材Easilysetmaterialsfortraces,dielectric,andviasbyusingtheQuicklysetsallrowstoselected快速將所有行設置為選定的物7Assembly

ItispossibletoenableAssemblyHierarchyinpreferenceswhichwillautomaticallyaddfolderstomatchtheCADgrou ofthegeometrybeingimportedintotheproductAftersetAftersettotorestorethestructureafteruseredits,ifDefaultsetto8求解信息的新接Thefollowingcontacttrackerstypeshavebeenadded:添加了以下接 類型 Contact Convergence Contact 9AbilitytoUploadandDownloadUserDefined能夠上傳 用戶定義的文Mechanicalnow Uploadingofadditionalfilestoremotemachines DownloadingofadditionalfilesfromremotemachinestoSolverDirectoryAllowforDeletionofExternal

允許刪除外部數(shù)UserscannowdeleteimportedcollectionsofexternalIftheobjecthasaReadOnlytag,itmustbesetto“No”beforedeletionis如果對象具有只讀，則必MassObjectsnowAcceptCommandCommandobjectscanbeusedforPointMass,ThermalPointMass,andMass

Command可用于點質(zhì)量，熱點質(zhì)量和分布式質(zhì)量ThisissupportedfortheMAPDLandRBDTheDistributedMassobjectnowuses“_tid”andcanbespecifiedinthecommandSystemCouplingStructuralSystemCouplingobjectsnowsupportsvolume forstructuralOptimizingLoadingoftheTreeinMechanicalnowenablesloadingofTreeNodessuchasgeometry,contactsandnamedselectionsondemand(whenexpanded)Mechanical現(xiàn)在可以按需加載樹節(jié)點，例如幾何，接觸和命名選擇（擴展時LS-DYNAOption MechanicalnowsupportsaddingLS-DYNA ysisinMechanical.ThisoptionesavailablewhentheextensionisloadedReferencetoResultFileforThermalStressandNewoptionontheEnvironmentcontext ImportedLoad(ResultUsersrunningthermalstressandsubmodelingysesnowcandirectlyselectandimportaresultfile(.rstor.rth)asimportedloadinsteadofhavingtolinkthesystemsintheprojectschematicThereferencingresultfilecanbeanywhereondisk,eitherfromaseparate ysis,oranotherWorkbenchproject,orMechanicalMAPDLMechanicalMAPDL。SupportAllCategoriesforPaneToolbar支持窗 自定義的所有類NewUIOptionforToolbarShowAllBydefaultthisoptionisturnedoff,onlythecategoriesrelevanttothespecificpaneareWhenturned“On”,allcategoriesarelisted.Thiscoverstoolbarsfromallpanes,commandsfromallribbontabs,userbuttons,externalACTextensions,whichgivesuserthe izedflexibilityfortoolbarcustomizationSelectAll nar新選項允許用Newoptionallows

tofindandselectall 選實體具有相entitieswiththesame

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

因為它需要實體之間的共TheTheresultofusing“SelectAll narEntitiesWiththeSameLocation”withSharedSelectionaunion,selectingALLrelated

轉(zhuǎn)換為功能執(zhí)行聯(lián)合NewSharedoptionperformsOnlysharedfaces2edgesOnlysharedfaces2edges新的共享選項執(zhí)行交集，僅選擇所有選擇共享的實MechanicalPostWorkingwithLegendsthatpanyMechanicalresults,cannowbemodifiedthescriptingconsole,tochangetheirbehaviorand 現(xiàn)在，可以通Workingwith

StandaloneLegendSettingsobjectscanbecreated,whichcanbeusedtocopylegendsfromoneresulttoanotherorapplythesamelegendsettingstomultiple mentsusingMeshIndependent使用網(wǎng)格無關的Mechanicalprovidestheabilitytodefinerein mentswithinastructurefor3DStaticstructuraland3Dsteady-state ysis. al-stress isalsoForanappropriatemodeledgeometry,MechanicalusesmeshindependentmethodcreatespecializedreinforcingelementstoprovideextrareinforcingtothestandardstructuralandthermalelementsofthebasestructureLinebodieswillbeusedfordiscretereinforcingmodelingandsurfacebodiesforsmearedreinforcingmodeling mentsusingMeshIndependentTospecifyageometricbodyasarein ment,selectthisbodyonthetreeandthensettheModelTypepropertyoptionto“Rein 要將幾何體指定為鋼筋，請在樹上選擇該幾何體，然后將模型的“類型”屬性選項設置為“加強” mentsusingMeshIndependentForlinebodies(discretereinforcing),youalsoneedtospecifyappropriateCrossandMaterial

對于線體（離散加固），您還Forsurfacebodies(smearedreinforcing),thehomogeneousmembranecanbespecifiedas“Yes(default)”or“No”.ThicknessandMaterialAssignmentisneededfortheHomogeneousMembrane

為“是（默認）”或“否”物體（涂抹增強材料），可以使用均質(zhì)膜作為均質(zhì)膜選 mentsusingMeshIndependentHomogeneousmembraneoption (thermal).HomogeneousMembraneoption,whensetto“No”,en uniaxialstressstate(structural)oruniaxialheatflow(thermal)Reinforcingfiberorientationcanbespecifiedusingco-ordinatesystemoftherein mentbodyorusingelementorientationobjectForHomogeneousMembraneoptionsetto“No”,fibercrosssectionareaandfiberspacingisrequiredtocreatereinforcinglayerwithequidistantfibers

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

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

而不是創(chuàng)建SURF154/SURF153單元。早期版本中支持固體ItisexposedusingAppliedBypropertyforvectorpressure, pressurefors Mechanicalsupportsapplicationofimportedpressureonsolidsands elementfacesorcornernodesdirectlywithoutcreatingsurfaceeffectelementsItisexposedAppliedByforimportedpressurewithtwooptions“Surface(default)and“Direct”.DirectoptionisthenewlysupportedoptioninthisDirectPressurewithoutSurfaceEffectUsing“Direct”option,theloadsareapplieddirectlytoelementfacesandhenceimprovesthesolutiontimeofthemodelaswellasthememoryfootprintbecausesurfaceeffectelementsarenotcreated.ThisisnotsupportedoptioninthepresenceofCracks,SMARTcrackgrowth,NonlinearAdaptiveregion,componentmodesynthesisandcyclicsymmetry使用“直接”（Direct）選項，可將載荷直接施加到元素面，因此可改善模型的求解時間以及內(nèi)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此功能可以幫助用戶評估在求解過程之前定RemoteLoadsSupportedwithNon-linearRemote cement,andMomentLoadscanbescopedtopartsbelongingtoNon-linearAdaptiveRegion.Thedeformable,coupledandrigidbehaviorofremoteentitiesaresupported位移，力和力矩載荷可的零件范圍內(nèi)。支持實體的QuasiStaticSolutioninStatic

包括Off“（DefaultandOn”Static ysisinWorkbenchMechanical析支持將解析為準靜態(tài)的屬性。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-IIoffatiguecrackIncorporatestheeffectofstressratio?isamaterialconstant(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=?=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輸入文Filesthatarenotinthe“BlockedCDB”formatareautomaticallydetected,andapythonscriptisprovidedtoconvertto“BlockedCDB”forma可以自動檢測到 的cdb格式”以外的文件并提供 以轉(zhuǎn)換為 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-

結(jié)合使用對稱接觸定義的統(tǒng)一檢測方法對于非平滑接觸建模非常有效：接觸對在大變形位移下混合了表面，邊和角 配合，壓配合，搭扣配合和搭扣是典型的用RemoteRemote TimePretensionloadConsistentdefinitionTimePretensionloadTimeRotated60°TimeRotated60°aboutxBydefaultZ-axiscylindricaljointfor3DLocalcartesiancoordinatesystemwillbegeneratedatjointnodeCylindricalco-ordinatesystemisallowedforPreloadmethodNewPreloadtechniquebyBeamnodesdirectlyconnectwithjointelementiscreatedbetweentwobeamnodes;nosurface-basedNewPreloadtechniquebyPretensionloadPretensionloadRotated60°aboutx-DistributedConstraint

力分布約束的改MPCbasedformulationisimprovedunderthefiniterotationframeworksothatmuchlargerrotationincrementscanbeappliedtoachieveconvergencesthaninthosethe releases.Largero on-basedpretension/pre-torquewillbenefit在有限旋轉(zhuǎn)框架下改進了基于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完整和簡化的增強應 bothtotalandsimplified,nowsupportedforinversesolvingEnhancedstrainswithorwithoutmixedu/Pformulationallowed允許有或沒有混合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