UG有限元高级仿真真正有用的资料

.--可修编-高级仿真TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc283371648"高级仿真PAGEREF_Toc283371648\h1HYPERLINK\l"_Toc283371649"NXNastranstructuralanalysisandsolutiontypesPAGEREF_Toc283371649\h2HYPERLINK\l"_Toc283371650"NXNastranthermalanalysisandsolutiontypesPAGEREF_Toc283371650\h4HYPERLINK\l"_Toc283371651"线性静态分析PAGEREF_Toc283371651\h4HYPERLINK\l"_Toc283371652"SupportedlinearstaticanalysistypesPAGEREF_Toc283371652\h4HYPERLINK\l"_Toc283371653"UsingmaterialsforalinearstaticanalysisPAGEREF_Toc283371653\h5HYPERLINK\l"_Toc283371654"DefiningboundaryconditionsforalinearstaticanalysisPAGEREF_Toc283371654\h5HYPERLINK\l"_Toc283371655"UsingtheiterativesolverPAGEREF_Toc283371655\h5HYPERLINK\l"_Toc283371656"模态分析PAGEREF_Toc283371656\h6HYPERLINK\l"_Toc283371657"SupportedmodalanalysistypesPAGEREF_Toc283371657\h6HYPERLINK\l"_Toc283371658"UsingmaterialsforamodalanalysisPAGEREF_Toc283371658\h7HYPERLINK\l"_Toc283371659"DefiningboundaryconditionsforamodalanalysisPAGEREF_Toc283371659\h7HYPERLINK\l"_Toc283371660"SettingmodalsolutionattributesPAGEREF_Toc283371660\h7HYPERLINK\l"_Toc283371661"ReviewingmodalanalysisresultsPAGEREF_Toc283371661\h8HYPERLINK\l"_Toc283371662"如何判断模态的频率PAGEREF_Toc283371662\h9HYPERLINK\l"_Toc283371663"线性曲屈分析PAGEREF_Toc283371663\h9HYPERLINK\l"_Toc283371664"BucklinganalysisintroductionPAGEREF_Toc283371664\h9HYPERLINK\l"_Toc283371665"LinearbucklingassumptionsPAGEREF_Toc283371665\h10HYPERLINK\l"_Toc283371666"SupportedbucklinganalysistypesPAGEREF_Toc283371666\h10HYPERLINK\l"_Toc283371667"UsingmaterialsforabucklinganalysisPAGEREF_Toc283371667\h10HYPERLINK\l"_Toc283371668"DefiningboundaryconditionsforabucklinganalysisPAGEREF_Toc283371668\h10HYPERLINK\l"_Toc283371669"ReviewingbucklinganalysisresultsPAGEREF_Toc283371669\h11HYPERLINK\l"_Toc283371670"NonlinearstaticanalysisintroductionPAGEREF_Toc283371670\h11HYPERLINK\l"_Toc283371671"SupportednonlinearsolutiontypesPAGEREF_Toc283371671\h12HYPERLINK\l"_Toc283371672"WhethertouseanonlinearsolutionPAGEREF_Toc283371672\h12HYPERLINK\l"_Toc283371673"UsingelementsforsolutiontypeNLSTATIC106PAGEREF_Toc283371673\h13HYPERLINK\l"_Toc283371674"UsingelementsforsolutiontypeADVNL601,106PAGEREF_Toc283371674\h13HYPERLINK\l"_Toc283371675"UsingmaterialsforsolutiontypesNLSTATIC106andADVNL601,106PAGEREF_Toc283371675\h14HYPERLINK\l"_Toc283371676"Enteringstress/straindataforsolutiontypesNLSTATIC106andADVNL601,106PAGEREF_Toc283371676\h14HYPERLINK\l"_Toc283371677"DefiningboundaryconditionsforsolutiontypesNLSTATIC106andADVNL601,106PAGEREF_Toc283371677\h15HYPERLINK\l"_Toc283371678"NLSTATIC106的求解设置PAGEREF_Toc283371678\h15HYPERLINK\l"_Toc283371679"ADVNL601,106的求解设置PAGEREF_Toc283371679\h16HYPERLINK\l"_Toc283371680"响应仿真PAGEREF_Toc283371680\h17HYPERLINK\l"_Toc283371681"仿真步骤PAGEREF_Toc283371681\h17HYPERLINK\l"_Toc283371682"SpecialboundaryconditionsPAGEREF_Toc283371682\h18HYPERLINK\l"_Toc283371683"SolutionattributesforResponseSimulationPAGEREF_Toc283371683\h20HYPERLINK\l"_Toc283371684"FRFandTransmissibilityPAGEREF_Toc283371684\h20HYPERLINK\l"_Toc283371685"AnalysiseventsPAGEREF_Toc283371685\h21HYPERLINK\l"_Toc283371686"ExcitationloadsPAGEREF_Toc283371686\h22HYPERLINK\l"_Toc283371687"FunctiontoolsforResponseSimulationutilityPAGEREF_Toc283371687\h22HYPERLINK\l"_Toc283371688"SensorsPAGEREF_Toc283371688\h23HYPERLINK\l"_Toc283371689"StraingagesPAGEREF_Toc283371689\h23HYPERLINK\l"_Toc283371690"产生整个模型在极值点处的响应PAGEREF_Toc283371690\h24HYPERLINK\l"_Toc283371691"柔体分析PAGEREF_Toc283371691\h24HYPERLINK\l"_Toc283371692"FlexiblebodiesworkflowPAGEREF_Toc283371692\h24HYPERLINK\l"_Toc283371693"AdvancedSimulationstepsPAGEREF_Toc283371693\h24HYPERLINK\l"_Toc283371694"MotionSimulationstepsPAGEREF_Toc283371694\h25HYPERLINK\l"_Toc283371695"ConnectingtheflexiblebodyFEMtothemechanismPAGEREF_Toc283371695\h25HYPERLINK\l"_Toc283371696"DefiningconnectionandloaddegreesoffreedomPAGEREF_Toc283371696\h25NXNastranstructuralanalysisandsolutiontypesAnalysistypeSolutiontypeDescriptionLinearStaticSESTATIC101–SingleConstraintSESTATIC101–Multi-ConstraintSESTATIC101–SuperelementStructuralsolveusedtosolvelinearandsomenonlinearproblems,suchasgapsandcontactelements.ModalAnalysisSEMODES103SEMODES103–ResponseSimulationSEMODES103–SuperelementSEMODES103–FlexibleBodyEvaluatesnormalmodesandnaturalfrequencies.LinearBucklingSEBUCKL105Determinesbucklingloadsandbuckledmodeshapes.NonlinearStaticsNLSTATIC106Considersgeometricandmaterialnonlinearbehavior.DirectFrequencyResponseSEDFREQ108Frequencyresponseiscalculateddirectly(withoutnormalmodes).DirectTransientResponseSEDTRAN109Transientresponseiscalculateddirectly(withoutnormalmodes).ModalFrequencyResponseSEMFREQ111Frequencyresponseisbasedonpreviouslysolvednormalmodes.ModalTransientResponseSEMTRAN112Transientresponseisbasedonpreviouslysolvednormalmodes.NonlinearTransientResponseNLTRAN129Dynamictransientresponseiscalculated,whichincludes(NLSTATIC106)nonlinearconditions.AdvancedNonlinearStatics(implicit)ADVNL601,106Considersgeometricandmaterialnonlinearbehavior.AdvancedNonlinearTransientResponse(implicit)ADVNL601,129Dynamictransientresponseiscalculated,whichincludesnonlinearconditions.AdvancedNonlinearDynamicAnalysis(explicit)ADVNL701Calculatesdynamicresponseswithnonlineareffects.DesignOptimizationDESOPT200Adjuststhedefineddesignvariableswithinthelimitsyouspecifyasitsearchesfortheoptimumconditions,whileworkinginthescopeofyouroveralloptimizationobjectiveandoutputconstraints.AxisymmetricStructuralSESTATIC101-Multi-ConstraintNLSTATIC106ADVNL601,106ADVNL601,129SolvesanFEmodelthatisdefinedforonlyasectioncutononesideoftheaxisofanaxisymmetricpart.Thisgreatlyreducesthedegreesoffreedom(DOF)andhencealsosignificantlyreducessolutiontime.NXNastranthermalanalysisandsolutiontypesAnalysistypeSolutiontypeDescriptionSteadyStateHeatTransferNLSCSH153Thermalanalysis.AxisymmetricThermalNLSCSH153ThermalanalysisforanFEmodelthatisdefinedforonlyasectioncutononesideoftheaxisofanaxisymmetricpart.线性静态分析SupportedlinearstaticanalysistypesInAdvancedSimulation,youcanchoosefromthefollowinglinearstaticanalysistypeswhenyoucreateastructuralsolution.SolverSolutiontypeNXNastranMSCNastranSESTATIC101-SingleConstraintNXNastranMSCNastranSESTATIC101-Multi-ConstraintANSYSLinearStaticsABAQUSStaticPerturbationsubstepUsingmaterialsforalinearstaticanalysisMaterialtypesthatcanbeusedinalinearstaticanalysisinclude:IsotropicOrthotropicAnisotropicLaminateDefiningboundaryconditionsforalinearstaticanalysisBoundaryconditionsforlinearstaticanalysiscanbegeometry-basedorfiniteelement-based.Examplesinclude:PointandedgeforcesFaceloadsTemperatureloadsDisplacementconstraintsCoupleddegreesoffreedomUsingtheiterativesolverYoucanturnontheElementIterativeSolveroptionontheSolutiondialogbox,orwhenyouarepromptedafteryoustartasolve.Theiterativesolver:Canbefaster,useslessmemory,andhasfewerdiskrequirementsthanthestandardsparsematrixsolver.Canbeusedforalinearstaticanalysisthatdoesnotincludecontact.Showsthebestperformancegainwithmodelsposedmostlyofsolidelements.Isveryefficientformodelsposedmostlyofparabolictetrahedralelements.模态分析SupportedmodalanalysistypesInAdvancedSimulation,youcanchoosefromthefollowingmodalanalysistypeswhenyoucreateastructuralsolution:SolverSolutiontypeNXNastranSEMODES103SEMODES103-ResponseSimulationSEMODES103-SuperelementSEMODES103-FlexibleBodyMSCNastranSEMODES103SEMODES103-SuperelementANSYSModalABAQUSFrequencyPerturbationsubstepUsingmaterialsforamodalanalysisMaterialtypesthatcanbeusedinamodalanalysisinclude:IsotropicOrthotropicAnisotropicFluidDefiningboundaryconditionsforamodalanalysisBoundaryconditionsformodalanalysisincludeconstraintsandgluing,suchas:Displacementconstraints.Coupleddegreesoffreedom.Surface-to-surfacegluingSettingmodalsolutionattributesForamodalanalysis,someoftheNXNastransolutionattributesinclude:MaxJobTimeOutputRequestsRealEigenvalueExtractionData.Identifiesthetypeofsolve:LanczosorHouseholder.LanczosMethodorHouseholderMethod.Themethodspecifiestherealeigenvalueextractionoptionsforthesolution.Eigenvalueextractionoptionsarestoredasasolver-specificobject.Lanczosistheremendedmethodformostmodels;Householderisremendedforsmallermodels.Theoptionsincludefrequencyrangelowerandupperlimits,andthenumberofdesiredmodes.DefaultTemperatureFormoreinformation,seeSolversandSolutions→SettingNastranSolutionOptionsintheAdvancedSimulationonlineHelp.ReviewingmodalanalysisresultsNaturalfrequenciesandmodeshapesaretheprimaryresultsforamodalsolution.Theresultsareorderedbyfrequency,withthelowestnaturalfrequencybeingthefirstmodeshape,thenexthighestbeingthesecondmode,andsoon.Thenormalmodesrepresentdynamicstatesinwhichtheelasticandinertialforcesarebalancedwhennoexternalloadsareapplied.Themagnitudeofthemodeshapesisarbitrary.Theamplitudeofthedisplacementisnotsignificant,buttherelativedisplacementofthenodesissignificant.Modeshapeshelpyoudeterminewhatloadlocationsanddirectionswillexcitethestructure.如何判断模态的频率Thefirst6modeshaveextremelylowfrequencies.Thesearerigidbodymodes.Mode7representsthefirstflexiblemodewithanaturalfrequencyofabout133Hz.线性曲屈分析BucklinganalysisintroductionBucklinganalysis:Determinesbucklingloadsandbuckledmodeshapes.Abucklingloadisthecriticalloadatwhichastructurebeesunstable.Abuckledmodeshapeisthecharacteristicshapeassociatedwithastructure'sbuckledresponse.Identifiesthecriticalloadfactor,whichisthevaluethatcanbemultipliedbytheappliedloadtocausebuckling.LinearbucklingassumptionsThebucklinganalysisuseslineartheory.Thefollowingassumptionsandlimitationsapply:Thedeflectionspriortobucklingaresmall.Thereferenceequilibriumconfigurationistheinitialgeometryofthepart.Theresponseofthestructurepriortobucklingexhibitsalinearrelationshipbetweenstressandstrain.Post-bucklingbehaviorisnotpredictedSupportedbucklinganalysistypesInAdvancedSimulation,youcanchoosefromthefollowingbucklinganalysistypeswhenyoucreateabucklingsolution:SolverSolutiontypeNXNastranMSCNastranSEBUCKL105ANSYSBucklingABAQUSBucklingPerturbationSubstepUsingmaterialsforabucklinganalysisMaterialtypesthatcanbeusedinabucklinganalysisinclude:IsotropicOrthotropicAnisotropicDefiningboundaryconditionsforabucklinganalysisForabucklinganalysis:Defineconstraints.Constrainthemodelasyouwouldforalinearstaticanalysis.Applyloads.Theloadsetcancontainmorethanoneloadtype(Force,Pressure),buteveryloadwillbescaledbytheloadfactor.Amagnitudeof1isoftenusedwhenasingleloadtypewillcausethemodeltobuckle.ReviewingbucklinganalysisresultsForNXNastranresults,bucklinganalysisresultsarelistedas:Asetofstaticanalysisresultsforthebucklingloadssubcase.Asetofmodesforthebucklingmethodssubcase.Eachmodehasaneigenvalue(loadfactor)listed.Theappliedloadmultipliedbythebucklingloadfactoristheloadatwhichthepartwillbuckle.Thefirstmodehasthelowestbucklingloadfactorandisusuallythemodeofmostinterest.Ifthebucklingloadfactorisbelow1,theparthasbuckled.如果eigenvalue小于1，那么这个模型就已经发生曲屈。ThecriticalloadistheproductoftheappliedloadandtheeigenvalueforMode1.比如在本例中施加的载荷为1N,而Mode1的对应值为1380，那么这个临界载荷为1x1380N.NonlinearstaticanalysisintroductionThenonlinearsolutiontypesNLSTATIC106andADVNL601,106arecapableofsimulatingthefollowingconditions:geometricnonlinear,materialplasticity,andhyperelasticity.Thisintroductionpresentstwoofthesenonlinearconditions:Materialplasticity–Materialdataisenteredthatdescribesboththelinearelasticandtheplasticyieldportionofthestressstraincurve.Geometricnonlinear–Pressureloadsandelementstiffnessareupdatedasthesolutioniterates.Largegeometrydisplacementsandrotationaresupported.NLSTATIC106andADVNL601,106solutionscanincludematerialplasticityandgeometricconditionsseparatelyorsimultaneously.SupportednonlinearsolutiontypesInAdvancedSimulation,youcanchoosefromthefollowingnonlinearsolutiontypeswhentheAnalysisTypeissettoStructural.SolverSolutiontypeNXNastranNLSTATIC106ADVNL601,106ADVNL601,129ADVNL701MSCNastranNLSTATIC106ANSYSNonlinearStaticsABAQUSGeneralAnalysisWhethertouseanonlinearsolutionAnSESTATIC101linearstaticsolution:Calculatestheelementstiffness(K)matrixonceatthebeginningofthesolution.AssumesHooke'slaw,Force=KU,tocalculatedisplacements(U).Doesnotaccountforlargedisplacementsandrotation.Willnotupdatepressureloaddirections.AnNLSTATIC106orADVNL601,106solutionwithgeometricnonlinearconditions:Iterates(迭代)tofollowanonlinearforce/displacementpath.Periodically（定期的）updatestheelementstiffnessmatrixwhilefollowingthenonlinearforce/displacementpath.Usesastraindefinitionwhichaccountsforlargedisplacementsandrotations.Usesthecurrentconfigurationofadeformedstructuretodeterminethedirectionofpressureloads.Astiffnesschangemaybearesultofbothgeometryandmaterialnonlineareffectsifbothareincludedintheanalysis.几何非线性UsingelementsforsolutiontypeNLSTATIC106ForsolutiontypeNLSTATIC106,nonlinearelementsmaybebinedwithlinearelementsforputationalefficiencyifthenonlineareffectscanbelocalized.Thesupportednonlinearelementsinclude:3D4-nodedand10-nodedtetrahedralsolidelements.3D8-nodedhexahedralsolidelements.3D6-nodedpentagonalsolidelements.2D4-nodedquadrilateralor3-nodedtriangularthinshellelements.1D2-nodedbar,beam,rod,andspringelements.GAPelementsarecreatedwhen“contactmesh”or“surfacecontactmesh”meshmatingconditionsaredefined.NLSTATIC106solutiontreatstheGAPelementasanonlineargapelementinwhichthegapconditionsupdateasthenonlinearsolutioniterates.UsingelementsforsolutiontypeADVNL601,106ForsolutiontypeADVNL601,106,thesupportednonlinearelementsinclude:3D4-nodedand10-nodedtetrahedralsolidelements.3D8-nodedand20-nodedhexahedralsolidelements.3D6-nodedand15-nodedpentagonalsolidelements.3D5-nodedand13-nodedpyramidsolidelements.3D4-nodedand8-nodedor3-nodedand6-nodedaxisymmetricthinshellelements.2D4-nodedand8-nodedquadrilateralor3-nodedand6-nodedtriangularthinshellelements.1D2-nodedbar,beam,rod,andspringelements.RBE2andRBE3elements.0Dconcentratedmasselements.Gapelements.UsingmaterialsforsolutiontypesNLSTATIC106andADVNL601,106MaterialtypesthatcanbeusedinthesolutiontypeNLSTATIC106include:Isotropicwithorwithoutelastic/plasticproperties.Anisotropicforgeometricnonlinearonly.HyperelasticpropertiesthatcanbeassigneddirectlytothephysicalpropertiesforPLPLANE(2Delements)orPLSOLID(3Delements).MaterialtypesthatcanbeusedinthesolutiontypeADVNL601,106include:Isotropic.Orthotropic.HyperelasticpropertiesthatcanbeassigneddirectlytothephysicalpropertiesforPLPLANE(2Delements)orPLSOLID(3Delements).Enteringstress/straindataforsolutiontypesNLSTATIC106andADVNL601,106Createanewisotropicmaterial.IntheStress-StrainRelatedPropertiesgroup,selectFieldfromtheStress-Strain(H)list.FromtheSpecifyFieldlist,selectTableConstructor.Enteravalueof0,0forthefirstdatapoint.Forthesecondpoint,enteravaluethatcorrespondstotheyieldpoint.Youcanalsodefineadditionaldatapoints.IntheIsotropicMaterialdialogbox,enteranInitialYieldPoint(LIMIT1)value.Thisvaluemustmatchthesecondstressvalueinthestress-straintable.DefiningboundaryconditionsforsolutiontypesNLSTATIC106andADVNL601,106BoundaryconditionsforsolutiontypesNLSTATIC106andADVNL601,106canbegeometry-basedorfiniteelement-based.Examplesinclude:Displacementconstraints.Allloads.Onlypressureloadsareupdatedingeometricnonlinear.Surface-to-surfacegluing.Surface-to-surfacecontactissupportedforADVNL601,106,butnotforNLSTATIC106.NLSTATIC106的求解设置LargeDisplacements—Includesnonlineargeometryeffects.IntermediateOutput—Determinesifoutputisstoredforeveryconvergedloadincrement,oronlyatthefinalincrementforeachsubcase.NumberofIncrements—Subdividesallsubcaseloadsbythevalueentered.Thiscanbeincreasedifasolutionhasproblemsconverging.ADVNL601,106的求解设置solutioncontrolandstrategyinADVNL601,106aresetundertheCaseControltab/StrategyParameters.Someexamplesare:AnalysisControl—SettingtheAutomaticIncrementationSchemetoATSautomaticallysubdividestimestepsthatfailtoconverge.Equilibrium—Canbeusedtoadjustthedefaultconvergenceoptionsandtolerances.Also,thelinesearchiterationschemecanbeselectedhere.Contact—Controlscontactoptionsforallcontactsets.响应仿真主要就是用于确定结构模型对于一系列载荷工况的动态或静态响应仿真步骤StepSummary1.Buildthefiniteelement(FE)model.Definethegeometry,materialproperties,mesh,andconstraints,asyouwouldforotherstructuralsolutiontypes.Also,specifythelocationsofyourexcitationsanddefineanystaticanddynamicloads.2.CreatetheNXNastransolution.CreateanNXNastranSEMODES103–ResponseSimulationsolution.YoucanalsouseanSEMODES103solution,butitgeneratesonlythenormalmodes.3.Solvethemodel.NXNastrangeneratesnormalmodes,constraintmodes,attachmentmodes,andothermodalinformation.4.CreatetheResponseSimulation.Aftersolvingthemodel,createtheResponseSimulationsolutionprocess.5.Reviewthemodeshapes.ReviewthemodeshapesinthePost-ProcessingNavigatororintheResponseSimulationDetailsViewsubpanelintheSimulationNavigator.6.Definethedampingvaluesforeachmode.IntheResponseSimulationDetailsViewsubpanel,youcanaddviscousandhystereticdamping.7.Createanevent.Definethetypeofresponsesimulationyouwillperform,suchastransientorfrequency.Theeventbinesthemodalmodelandyourexcitationfunctions.8.Createexcitationfunctions.Excitationsdefinetheloadingfortheresponsesimulation,suchasavehicle'stiresfollowingabump'sprofile.9.Analyzethemodel'sdynamicresponsestotheexcitations.Dependingonthetypeofresponseyouareevaluating,thesoftwarecalculatesandstorestheresultsinresponsefunctionsorresponseresultssets.Responsefunctionseachcontainoneresponse(forexample,stressatonenode)asafunctionoftimeorfrequency.YoucanplotthesefunctionrecordsintheNXgraphicswindow.Responseresultssetseachcontainresponsesformultiplenodesorelementsinthemodelforonetimesteporfrequency.YoucanviewresponseresultssetsascontourplotsonthePost-ProcessingNavigator.SpecialboundaryconditionsInResponseSimulation,afiniteelement(FE)modelrepresentsthephysicalmodelofthestructure.在响应仿真中，除了你可以定义同其它的求解器一样的约束与边界条外，还有如下的特殊的边界条件。TypeDescriptionEnforcedmotionlocationThelocationofanenforcedmotionexcitationonthemodel.Thisisalocationonly;youdefinetheactualexcitationloadafteryousolvethesolution.Thesolvergeneratesconstraintmodes,equivalentattachmentmodes,andeffectivemassesbasedontheselocations.CreateenforcedmotionlocationsintheConstraintscontainerintheSimulationNavigator.NodalForcelocationThelocationofanodalforceexcitationonthemodel.Thisisalocationonly;youdefinetheactualexcitationafteryousolvethesolution.Thesolvergeneratesattachmentmodesbasedontheselocations.CreatenodalforcelocationsintheLoadscontainerintheSimulationNavigator.StaticoffsetloadForTransientevents,aconstantloadforscalingtheresults(forexample,agravityloadforusewithconcentratedmasselements,oradistributedwindloadonthestructure).CreatestaticoffsetloadsintheSubcase–StaticOffsetcontainerintheSimulationNavigator.Afteryousolvethesolutionandcreateanevent,theStaticOffsetnodeappearsintheSimulationNavigatorundertheeventnode.Youcanexcludethestaticoffsetresultsfromtheresponseevaluationbyright-clickingtheStaticOffsetnodeandchoosingDeactivate.StressstiffeningloadAdifferentialstiffnesstoaccountfortheweakeningofastructureduetostress.Youcanusethisloadtopre-stressstructuresthatarethininoneortwodimensions,suchasshellorcable-likestructureswithsmallinitialstiffness,andlargemembraneloads,suchasadrumheadwithinitialtension.Thesolverusestheseloadstoaugmentthestiffnessinthenormalmodecalculations.Itcalculatesthestressstiffnessandbinesitwiththelinearstiffnessandthenusesthebinationofthesetwomatricestosolvethenormalmodeseigenvalueproblem.CreatestressstiffeningloadsintheSubcase–StressStiffeningcontainerintheSimulationNavigator.DynamicloadAloadyoucanscaleaftersolvingthemodalsolution.Thesolvergeneratesaloadsetanddistributedattachmentmodesforeachdynamicload.Youcanthenassignascalingfunctionwhenyoucreateanexcitation.Dynamicloadsarenecessaryforapplyingdistributed-loadexcitationsandcanalsobeusedasstaticexcitationsinaQuasi-Staticanalysisevent.CreatedynamicloadsintheSubcase–DynamicscontainerintheSimulationNavigator.SolutionattributesforResponseSimulationFRFandTr