NX Advanced Simulation: FE modeling and simulationNX CAE

www.siemens.com/nx

NX

Benefits Speedsimulationprocessesbyupto70percent

Increaseproductqualitybyrapidlysimulatingdesigntrade-offstudies

Loweroverallproductdevelopmentcostsbyreducingcostly,latedesignchangeorders

SimplifyCAEgeometryeditingprocesseswithintuitivedirectmodeling

Rapidlyupdateanalysismodelswhenthedesigngeometrychanges

ConsolidateCAEpreprocessingintoasingleenvironmentsupportingthemostcommonlyusedsolvers

Efficientlymanagelarge,complexanalysismodelsthroughassemblyFEMmanagement

Captureandautomatebestpracticesandcommonlyusedprocesses

Linkresultstoproductrequirementstomakesmarterproductdecisions

SummaryNXAdvancedSimulationsoftwarecombinesthepowerofanintegratedNXNastrandesktopsolverwithNXAdvancedFEM,acomprehensivemulti-CADFEmodelcreationandresultsvisualizationtool.Extensivedirectgeometryeditingusingsynchronoustechnology,idealizationandabstractioncapabilitiesenabletherapiddevelopmentofcomplex3Dmathematicalmodelsthatallowdesigndecisionstobebasedoninsightintorealproductperformance.NXAdvancedSimulationenablesatruemulti-physicsenvironmentviatightintegrationwithNXNastranandavailableadd-onsolutionsforthermalandflowanalyses,aswellastheabilitytosupportotherindustrystandardsolverssuchasAbaqus,Ansys,MSCNastranandLS-Dyna.

A modern CAE environment NXAdvancedSimulationdirectlyaddressesthechallengesyoufacewithsimulationtodaythroughamodernandcompletelyintegratedenvironmentthatdeliverssignificantbenefits.NXAdvancedSimulationdoesnotrequireNXCADandcanbeusedasastandaloneFEApre/postprocessorwithsupportformulti-CADgeometry.Althoughnotrequired,whenusedinconjunctionwithNXCAD,NXAdvancedSimulationenjoystheaddedbenefitofseamlessdatatransferbetweenthedesignandanalysisteams.

NXAdvancedSimulationdrasticallyreducesthetimeyouspendpreparinganalysismodels.Itdeliversalltheadvancedmeshing,boundaryconditionsandsolverinterfacesthatexperiencedanalystsexpectforhigh-endanalysis.ButwhatmakesNXAdvancedSimulationuniqueamongallotherprepro-cessorsisitsintegrationofasuperiorgeometryfoundationwhichenablesmoreintuitiveeditingofgeometryandanalysismodelassociativityto

GeometryeditingcapabilitiesavailableinNXAdvancedSimulationinclude:

Multi-CAD geometry interfacesNXAdvancedSimulationsupportsCADgeometryfromanumberofformats,andallNXAdvancedSimulationdirecteditingandidealizationcapabilitiescanbeusedongeometryfromalloftheseformats. Directgeometrytranslatorsavailable(CATIAV4,CATIAV5,Pro/E)

Neutralgeometrytransfer(IGES,STEP,JT,Parasolid)

General geometry modelingFeatureslikesmallholes,smallstepsandsliversimpactmeshingspeedandqualitybutcanbeirrelevanttoengineeringperformance. Parasolidgeometrykernel Parametricsolidandsurfacemodeling Directgeometrymodelingwithsynchronoustechnology

Featuremodeling Assemblystructurecreation

4. New design ready for analysis.

5. Updated analysis model ready for simulation.

Analysis model to geometry associativity User-definedgeometryedits,meshandboundaryconditionsareallassociatedtothebasedesign.Whenthedesigntopologychanges,NXrapidlyupdatestheexistinganalysisgeometry,mesh,loadsandboundaryconditionsasrequired,avoidingtheneedfortheanalysttomanuallyrecreatetheanalysismodel.Thisapproachgreatlyreducesdownstreammodelingtimewhichiscompoundedacrossaprojectsmanydesign-analysisiterations.

1. Plastic case initial analysis model.

2. Select geometry to move.

3. Drag geometry to new position.

NX Advanced Simulation

NX

multi-CADdata.Thetightintegrationofapowerfulgeometryenginewithrobustanalysismodelingcommandsisthekeytoreducingmodelingtimebyupto70percentcomparedtotraditionalanalysismodelingtools.

Geometry Preprocessing

Reduce time spent editing geometryOneofthemainissuesanalystsfaceistheneedtocleananddefeatureimportedgeometry.Featureslikesmallholes,smallstepsandsurfacesimpactmeshingspeedandqualitybutcanbeirrelevanttoengineeringperformance.Onaverage,foreachdesigniteration,engineersspendanentiredayormoreongeometrycleanupactivitieswhenusingstandaloneCAEpreprocessors.Thiswastestimethatcouldbebetterspentdoingrealengineering.

NXAdvancedSimulationisbuiltonthesameleadinggeometryfoundationthatpowersNX.IntegratingstronggeometrycapabilitieswithCAEpreprocessingresultsinenormousproductivitygainsforanalysts.

Synchronous technology revolutionizes geometry editingNXAdvancedSimulationincludesdirectgeometryeditingcapabilitiespoweredbysynchronoustechnologydevelopedbySiemens.AnalystscanquicklyeditgeometryinintuitivewaysthatarenotpossibleintraditionalCAEpreprocessorsorfeature-basedCADsystems.Directeditingworksongeometryfromanysource,andanalystscanuseittorapidlymodifygeometrypriortomeshing,createdesignalternativesforwhat-ifevaluations,orrapidlygeneratefluiddomainvolumegeometry.

Meshingcapabilitiesinclude:1Dmesh Beam BeamsectionpropertiesdefinedfromastandardsetofsectionsordirectlyfromCADgeometry

Automatedboltconnectionmeshing

Rigid Spring Gap Damper Automaticweldmeshing

Lumpedmasses

2Dmesh(shellmesh) 2Dmappedmeshing 2Dfreemeshing Sweepmeshingpaver 2Dmeshingboundary 2Ddependentboundary Quad-onlymeshes Linearorparabolic

Additional benefits for NX CAD customers BusinessesusingNXCADfordesignalsoachieveadditionalbenefitswhentheyuseNXAdvancedSimulationforCAE: SeamlesstransferofgeometryfromCADdesignerstoCAEanalystseliminatestransfererrorsandresultsincleanergeometryforanalyststouse

GeometrychangesmadebyCAEanalystsduringwhat-ifanalysescanbegivendirectlytothedesignertoincorporateintothemastermodel

Analystsknowimmediatelywhenthebasedesigngeometryhaschangedandcanautomaticallyupdatetheiranalysismodelthroughassociativity

FE Preprocessing

Comprehensive meshing tools NXAdvancedSimulationincludesextensivemodelingfunctionsforautomaticandmanualmeshgenerationof1D,2Dand3Delements.Create1Delementssuchaswelds,bolts,rigidsandmorewithease.Shellmeshingisusedformodelingthin-walledpartsandcanbeusedinconjunctionwithmid-surfaces.NXAdvancedSimulationincludeshexahedralmeshingcapabilitiesinadditiontoitsbest-in-classtetrahedralmeshing.

3. Shell mesh on mid-surface geometry.

Geometry idealization and abstraction for FEA Directgeometryeditingwithsynchronoustechnology

Geometryhealingandrepairforgapsandotherdatainaccuracies

Mid-surfacing(constantandvariablethickness)

Defeaturetools(geometryrepair,featuresuppression,stitchsurface,removehole/fillet,partitioning)

Merging/splitting/stitchingofedgesandfacesforcontrollingmeshboundaries

Non-manifoldtopologygenerationforvolumes

Automatictopologyabstraction Manualtopologymodificationtools Createsurfacefrommeshface Splitbodyandpartitioningmethodsfordividinggeometryintomoremanageablesections

1. Solid geometry of thin-walled part.

2. Mid-surface generated from solid geometry.

NX

Structuralloads -Nodalforcesandtemperatures -Elementfaceandedgepressures -Acceleration(gravity,translation,

rotation) -Ambientandreferencetemperatures Heattransferloads -Nodalanddistributedheatsources -Faceandedgefluxes,convectionand

radiation

Complete model checking tools NXAdvancedSimulationprovidesafullsetofgraphicalandmathematicaltoolstohelpverifythatamodeliscompleteandcorrectbeforeyousubmititforsolution. Coincidentnodeandelementcheckseliminateduplications

Free-edgeandfacechecksavoidunwantedcracksinamodel

Shrinkelementdisplayverifiesthatelementsarelocatedproperly

Elementshapechecks(distortion,warping,etc.)verifythatelementsdonotviolatelimitsandcanproduceaccurateresults

Elementthicknessdisplaytocheckthatshellthicknessiscorrect

Loads and boundary conditions NXAdvancedSimulationprovidesextensivecapabilitiestodefineloadingandboundaryconditionstocorrectlysimulateoperatingenvironments.

Load and boundary condition control Applyongeometry(face,edge,orcurve)

-Associativityofgeometry-basedloadsandrestraintsthatismaintainedthroughdesigngeometrychanges

-Ensureanodeisplacedatthelocationduringautomaticmeshing

ApplyonFEentities Applytolocalcoordinatesystem Applyongroups Axisymmetricboundaryconditions Automaticcontactdetectionandsetup AutomaticallyapplyloadsobtainedfrommotionanalysisinNXMotion

Time-varyingloadingandboundaryconditionstocorrectlysimulatenonlinearloadingconditions

Defineloadsbyexpression,arrayortableinput

-SpatiallyvaryingloadscanbequicklyandeasilydefinedviaexpressionorbyASCIIfileimport

-Sameistruefortime,frequencyandtemperaturedependentloads

Load and boundary condition types Surface-to-surfacecontactdefinitions -Surface-surfacegluecontact -Automaticfacepairing -Coupling -AutomaticcoupledDOF -ManualcoupledDOF Constraintsandrestraints,includingnodaldisplacement

3Dmesh(solidelements) Automatictetrahedralmeshing Swepthexahedralmeshing Pyramidelementsneededtosmoothlytransitionfromahexmeshtoatetrahedralmesh

Linearorparabolic

Mesh control Transitionmeshingfromfinetocoarsefor2Dand3Dfreemeshing

Usercontrolledautomaticabstractionduringmeshing

Abilitytodefineallowabledistortionfortetrahedralelementsbeforemeshing

Localelementcontrolforprecisemeshgenerations

Numberofelementsonedge Chordaltolerance Geometricprogression Associationofmeshgenerationsettingswithgeometricfeatures(updatesoccurwithdesigngeometrychanges)

Surfacecoating Axisymmetricmeshing Batchmeshing Meshqualitychecks Grouping

Material definitions Materialpropertycreationandmanagement

Masspropertycalculations Physicalpropertycreationandmanagement

Variableelementthickness

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Advancedlightingcontrol Animationswithsteppedorsmooth-shadeddisplays

Complexdynamicresponseresults Multipleresultssimultaneously Multipleviewports Probingofresultsonnodes Postprocessingdatatablewithsort/criteria

3Dand2Dtextannotations Templatesofdisplayoptionsforrepeateduse

Resultslistings Transparencydisplay Localcoordinatesystem Groupsofelementsusingsearchcriteria

Graphing XYgraphing Bargraphing SynchronizedcontourandXYplottingdisplays

Annotatedgraphs

Output Imageoutput(JT,JPEG,BMP,PNG,GIF,AnimatedGIF,TIF)

ExportsingleormultipleresultsetstoExcelforfurthermanipulation

HTMLcustomizedreportsformodeldataandresultsinspection

Export analysis models and import results for these external solvers: Abaqus Ansys LS-Dyna MSCNastran NXNastran(enterprise)

Postprocessing Foranalysistodrivedecisions,resultsmustbepresentedinanunderstandableform.NXAdvancedSimulationprovidesextensivegraphicsandmanipulationcapabilitiesthatfocusoncriticaldataandpresentitforreviewandaction.

UsingNXAdvancedSimulation,youcanperformavarietyofpostprocessingfunctions:

Display Deformedgeometry Contourdisplays Beamcross-sectioncontourdisplays Vectordisplays Isosurfacedisplays Cuttingplanes Streamlines,ribbonsandbubblesforflowresults

Efficient FE assembly managementAsproductsbecomeevermorecomplex,performingsimulationatjustthecomponentlevelisnotenough.NXAdvancedSimulationhasthetoolsneededtoefficientlybuildandmanagecomplexanalysismodelsandassemblies.NXAdvancedSimulationisuniqueinthewayitcreatesfiniteelementassemblymodels.UnliketraditionalCAEpreprocessorsthatweredevelopedforcomponentanalysisandrequireyoutobuildlargemonolithicanalysismodels,NXAdvancedSimulationwasdevelopedtocreatelargeFEassemblymodelsbyinstancingandconnectingFEcomponentmodelstogether,similartoaCADassembly.

WhenanFEcomponentisupdatedlaterindevelopment,NXAdvancedSimulationupdatesallinstancesofthatcomponentwithintheFEassembly,eliminatingtheneedtorebuildandconnectanewFEassemblytogether.

Multi-CAE environments NXAdvancedSimulationoffersimmersiveuserenvironmentstosupportavarietyofcommonsolversusedbyanalystsincludingNXNastran,MSCNastran,Abaqus,AnsysandLS-Dyna.Thesolverenvi-ronmentsimmersetheuserinthelanguageoftheselectedsolversterminologywhichenablesanalyststoeasilypreparesolver-specificanalysismodelswithouttheneedtolearnnewterminology.

NX

tosteady-stateandtransientthermalanalysisanddesignproblems.Abasicnonlinearcapabilityenablesincludinglargedeformationandmaterialnonlineareffectsinthesolution.

TheNXNastranDesktopAdvancedbundleand/orindividualmodulesforNXNastranlistedbelowcanbeaddedontoaseatofNXAdvancedSimulation.

Optimization Optimizationisaprocessthathelpstheanalystarriveatthebestsolutionforagivendesigngoal.NXAdvancedSimulationallowstheusertocreateanoptimizationsolutionprocess.Theusercandefineagoalsuchasthemassofapartorcomponent,aconstraintsuchasmaximumallowableVonMisesstressandthedesignparameter(s)tovaryonthecomponent.Theoptimizationsolutionprocessrunsbasedonthedesigncriteriawhilevaryingthedesignparam-eterstoenablethedesignengineertodetermineifthereisabetterstructuraldesignalternativevs.theoriginalbaselinedesign.

providesaccesstoabroadlibraryoffiniteelementtypesandmaterialmodels,robustmanipulationofloadcases,alongwithseveralefficientsolutionsequencesforlinearstatics,bucklingandnormalmodesanalysesonmodelsofunlimitedsize.Aheattransfercapabilityprovidessolutions

Embedded Simulation

NX Nastran included TheAdvancedSimulationbundleincludesalicenseoftheNXNastranBasicdesktopsolverintegratedwithadesktoplicenseoftheNXNastranEnvironment.NXNastranBasic

NX

NX Nastran analysis feature and capabilities

Basic bundle

Advanced bundle*

Available separately*

Basicanalysiscapabilities

Linearstaticanalysis

Normalmodesanalysis

Bucklinganalysis

Heattransferanalysis(steady-stateandtransient)

Basicimplicitnonlinearanalysis

Spotweldanalysis

Advancedanalysiscapabilities*

Distributedmemoryparallelcapability(DMP)**

Dynamicresponseanalysismodule

Advancednonlinearanalysismodule

Superelementsanalysismodule

Directmatrixabstractionprogramming(DMAP)

Designoptimizationmodule

Aeroelasticityanalysismodule

Advancedaeroelasticmodule

Rotordynamics

* Basic bundle is a prerequisite for all add-on modules and the Advanced bundle. The Advanced bundle is not available in the desktop version that is integrated with Femap software, but the individual advanced analysis modules can be purchased as add-ons to Femap and NX Nastran Basic.

** DMP is not available in desktop versions.

Thisreduceswastebypromotingre-useofexistingdesignsandengineeringknowledge.Itsynchronizesdataandmakesitreadilyaccessiblethroughdatamining,visualizationandreporting.

Linking simulation results to product requirementsNXAdvancedSimulationletsyoulinksimulationresultsdirectlytospecificproductrequirementsandcanalertprojectmanagerswhenrequirementsarenotbeingmet.Projectmanagersandotherproductdecisionmakerscanthenviewthe3DsimulationresultsinanintuitivewayusingJT,alight-weightvisualizationtool.

Automating simulation processes CAEengineerscanincreaseproductivitybyautomatingredundantprocesseswithNXOpen,thecommonfoundationforautomationandprogramminginNX.UsingNXOpen,expertCAEuserscancapture,authorandpublishsimulationprocessestoguidelessexperiencedengineersordesignerstoacceleratethedevelopmentprocess,whileensuringmodelingandresultsaccuracy.

An open platform Siemensunderstandsyouoftenneedtouseothersoftwaretools,eitherdevelopedinternallyorfromothervendors,togettheanswersyouneedtosupportcriticaldevelopmentdecisions.ThatswhyNXAdvancedSimulationisopenandflexibleenoughtoallowyoutoincorporatethosetoolsintoyoursimulationprocesses.NXAdvancedSimulationsupportsanumberofcommercialCAEsolversthroughavailableenvironments,oryoucandevelopyourowninterfacesusingNXOpen.

Simulation data management and automation

Data management designed for the CAE analyst NXAdvancedSimulationseamlesslyintegrateswiththeentireTeamcenterdatamanagementportfolio,includingthesimulationprocessmanagementmodule.Simulationdatamanagementcapabilitiesworkoutofthebox,andcompaniescanimplementacompleteenvironmentformanagingCAEdata,processandworkflowaspartofawiderproductdevelopmentenvironment.

NX

Analysis Type Available add-on products for NX Advanced Simulation

Topologyoptimization NXTopologyOptimization

Durability NXDurabilityWizardNXAdvancedDurability

LaminatecompositesmodelingLaminatecompositesdraping

NXLaminateComposites

Responsesimulation NXResponseSimulation

ThermalAnalysis NXThermalNXAdvancedThermalNXSpaceSystemsThermal

CFDorflowanalysis NXFlowNXAdvancedFlow

Multi-physics

Coupledthermo-fluidanalysis NXElectronicSystemsCoolingNXFloworAdvancedFlowwithNXThermalorAdvancedThermal

Coupledthermo-elasticanalysis NXThermalwithNXAdvancedSimulation

Motion-structural(motionflexiblebodies)

NXMotionandNXFlexibleBodyDynamicSolutionwithNXAdvancedSimulation

Physicaltesttoanalysiscorrelation NXFEModelCorrelationNXFEModelUpdating

Multi-discipline simulationTheneedtousemultipleanalysisproductsaddscostsandcomplexitybecauseeachanalysisproducthasitsownuserinterfaceandworkflows.Inaddition,incompatiblemodelsandmanualfiletransfersconsumetimeandcreateerrorswhichsometimeshinderthemulti-disciplinestudiesnecessarytocorrectlyunderstandproductperformance.

Additionalanalysiscapabilitiesavailableasadd-onstoNXAdvancedSimulationareshowninthistable:

Thermal,NXResponseSimulation,NXLaminateComposites,NXFEModelCorrelation,NXFEModelUpdatingandthecustomizedsolverenvironmentsforAbaqus,Ansys,LS-Dyna,andNastran.

NXAdvancedSimulationisavailableon32-and64-bitWindowsandalsoon64-bitLinuxsystems.

Product availability NXAdvancedSimulationisthecoremoduleintheNXCAEsuiteofapplications.Itisaprerequisiteforallotheradd-onsolutionssuchasNXTopologyOptimization,NXAdvancedDurability,NXDurabilityWizard,NXFlow,NXAdvancedFlow,NXThermal,NXAdvancedThermal,NXElectronicSystemsCooling,NXSpaceSystems

2011SiemensProductLifecycleManagementSoftwareInc.Allrightsreserved.SiemensandtheSiemenslogoareregisteredtrademarksofSiemensAG.D-Cubed,Femap,Geolus,GOPLM,I-deas,Insight,JT,NX,Parasolid,SolidEdge,Teamcenter,TecnomatixandVelocitySeriesaretrademarksorregisteredtrademarksofSiemensProductLifecycleManagementSoftwareInc.oritssubsidiariesintheUnitedStatesandinothercountries.NastranisaregisteredtrademarkoftheNationalAeronauticsandSpaceAdministration.Allotherlogos,trademarks,registeredtrademarksorservicemarksusedhereinarethepropertyoftheirrespectiveholders.X11813910/11B

www.siemens.com/nx

ContactSiemensIndustrySoftwareAmericas +18004985351Europe +44(0)1276702000Asia-Pacific +85222303333

User Interface

Intuitive and configurable UIAmodernCAEenvironmentrequiresamodernuserinterface. Organizedandintuitivecommands Customizablemenusandtoolbars Contextualmenususingright-mousebuttonshowonlythemostappropriatecommands

UserolestotailortheUIbasedonuserprofilestoshowonlythecommandstheuserneeds

NX