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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
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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.
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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
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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
NX
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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
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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.
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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:
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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