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NX Advanced FEM: High-end FEA pre/postprocessorNX CAE
www.siemens.com/nx
NX
Benefits• Speedanalysismodeling
processesbyupto70percent
• Increaseproductqualitybyrapidlysimulatingdesigntrade-offstudies
• Loweroverallproductdevelopmentcostsbyreducingcostly,latedesignchangeorders
• SimplifyCAEgeometryeditingprocesseswithintuitivedirectmodeling
• Rapidlyupdateanalysismodelswhenthedesigngeometrychanges
• ConsolidateCAEpreprocessingintoasingleenvironmentsupportingthemostcommonlyusedsolvers
• Efficientlymanagelarge,complexanalysismodelsthroughassemblyFEMmanagement
• Captureandautomatebestpracticesandcommonlyusedprocesses
• Linkresultstoproductrequirementstomakesmarterproductdecisions
SummaryNX™AdvancedFEMsoftwareisacomprehensivemulti-CADfiniteelementmodelingandresultsvisualizationsolutionthatisdesignedtomeettheneedsofexperiencedCAEanalysts.ItincludesafullsuiteofdirectgeometrymodelingandeditingtoolsaswellasFEpre/postprocessingtoolsthatsupportabroadrangeofproductperformanceevaluationsolutions.NXAdvancedFEMprovidesbi-directionalanalysismodeltodesigngeometryassociationallowinguserstorapidlyupdateananalysismodelwhenthebasedesignchanges.Multi-CAEenvironmentsenableanalyststobuildandexportanalysismodelsforindustrystandardsolverssuchasAbaqus,Ansys,LS-Dyna,MSCNastranaswellasNXNastran®software.Analystscanalsoimportresultsfromtheseexternalsolversforpostprocessing.
A modern CAE environment NXAdvancedFEMdirectlyaddressesthechallengesyoufacewithsimulationtodaythroughamodernandcompletelyintegratedenvironmentthatdeliverssignificantbenefits.NXAdvancedFEMdoesnotrequireNXCADandcanbeusedasastandaloneFEApre/postprocessorwithsupportformulti-CADgeometry.Althoughnotrequired,whenusedinconjunctionwithNXCAD,NXAdvancedFEMenjoystheaddedbenefitofseamlessdatatransferbetweenthedesignandanalysisteams.
NXAdvancedFEMdrasticallyreducesthetimeyouspendpreparinganalysismodels.Itdeliversalltheadvancedmeshing,boundaryconditionsandsolverinterfacesthatexperiencedanalystsexpectforhigh-endanalysis.ButwhatmakesNXAdvancedFEMuniqueamongallotherpreprocessors
GeometryeditingcapabilitiesavailableinNXAdvancedFEMinclude:
Multi-CAD geometry interfacesNXAdvancedFEMsupportsCADgeometryfromanumberofformats,andallNXAdvancedFEMdirecteditingandidealizationcapabilitiescanbeusedongeometryfromalloftheseformats.• Directgeometrytranslatorsavailable
(CATIAV4,CATIAV5,Pro/E)• Neutralgeometrytransfer(IGES,STEP,
JT™,Parasolid®)
General geometry modelingFeatureslikesmallholes,smallstepsandsliversimpactmeshingspeedandqualitybutcanbeirrelevanttoengineeringperformance.• Parasolidgeometrykernel• Parametricsolidandsurfacemodeling• Directgeometrymodelingwith
synchronoustechnology• 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.Thisapproachgreatlyreducesdownstreammodelingtimewhichiscompoundedacrossaproject’smanydesign-analysisiterations.
1. Plastic case initial analysis model.
2. Select geometry to move.
3. Drag geometry to new position.
NX Advanced FEM
NX
isit’sintegrationofasuperiorgeometryfoundationwhichenablesmoreintuitiveeditingofgeometryandanalysismodelassociativitytomulti-CADdata.Thetightintegrationofapowerfulgeometryenginewithrobustanalysismodelingcommandsisthekeytoreducingmodelingtimebyupto70percentcomparedtotraditionalanalysismodelingtools.
Geometry Preprocessing
Reduce time spent editing geometryOneofthemainissuesanalystsfaceistheneedtocleananddefeatureimportedgeometry.Featureslikesmallholes,smallstepsandsurfacesimpactmeshingspeedandqualitybutcanbeirrelevanttoengineeringperformance.Onaverage,foreachdesigniteration,engineersspendanentiredayormoreongeometrycleanupactivitieswhenusingstandaloneCAEpreprocessors.Thiswastestimethatcouldbebetterspentdoingrealengineering.
NXAdvancedFEMisbuiltonthesameleadinggeometryfoundationthatpowersNX.Integratingstronggeometrycapa-bilitieswithCAEpreprocessingresultsinenormousproductivitygainsforanalysts.
Synchronous technology revolutionizes geometry editingNXAdvancedFEMincludesdirectgeometryeditingcapabilitiespoweredbysynchronoustechnologydevelopedbySiemens.AnalystscanquicklyeditgeometryinintuitivewaysthatarenotpossibleintraditionalCAEpreprocessorsorfeature-basedCADsystems.Directeditingworksongeometryfromanysource,andanalystscanuseittorapidlymodifygeometrypriortomeshing,createdesignalternativesfor“what-if”evaluations,orrapidlygeneratefluiddomainvolumegeometry.
Meshingcapabilitiesinclude:1Dmesh• Beam• Beamsectionpropertiesdefinedfroma
standardsetofsectionsordirectlyfromCADgeometry
• Automatedboltconnectionmeshing
• Rigid• Spring• Gap• Damper• Automaticweld
meshing• Lumpedmasses
2Dmesh(shellmesh)• 2Dmappedmeshing• 2Dfreemeshing• Sweepmeshing“paver”• 2Dmeshingboundary• 2Ddependentboundary• Quad-onlymeshes• Linearorparabolic
Additional benefits for NX CAD customers BusinessesusingNXCADfordesignalsoachieveadditionalbenefitswhentheyuseNXAdvancedFEMforCAE:• SeamlesstransferofgeometryfromCAD
designerstoCAEanalystseliminatestransfererrorsandresultsincleanergeometryforanalyststouse
• GeometrychangesmadebyCAEanalystsduring“what-if”analysescanbegivendirectlytothedesignertoincorporateintothemastermodel
• Analystsknowimmediatelywhenthebasedesigngeometryhaschangedandcanautomaticallyupdatetheiranalysismodelthroughassociativity
FE preprocessing
Comprehensive meshing tools NXAdvancedFEMincludesextensivemodelingfunctionsforautomaticandmanualmeshgenerationof1D,2Dand3Delements.Create1Delementssuchaswelds,bolts,rigidsandmorewithease.Shellmeshingisusedformodelingthin-walledpartsandcanbeusedinconjunctionwithmid-surfaces.NXAdvancedFEMincludeshexahedralmeshingcapabilitiesinadditiontoits“best-in-class”tetrahedralmeshing.
3. Shell mesh on mid-surface geometry.
Geometry idealization and abstraction for FEA• Directgeometryeditingwith
synchronoustechnology• Geometryhealingandrepairforgaps
andotherdatainaccuracies• Mid-surfacing(constantandvariable
thickness)• Defeaturetools(geometryrepair,
featuresuppression,stitchsurface,removehole/fillet,partitioning)
• Merging/splitting/stitchingofedgesandfacesforcontrollingmeshboundaries
• Non-manifoldtopologygenerationforvolumes
• Automatictopologyabstraction• Manualtopologymodificationtools• Createsurfacefrommeshface• Splitbodyandpartitioningmethodsfor
dividinggeometryintomoremanageablesections
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 NXAdvancedFEMprovidesafullsetofgraphicalandmathematicaltoolstohelpverifythatamodeliscompleteandcorrectbeforeyousubmititforsolution.• Solver-specificelementqualitychecks• Coincidentnodeandelementchecks
eliminateduplications• Free-edgeandfacechecksavoid
unwantedcracksinamodel• Shrinkelementdisplayverifiesthat
elementsarelocatedproperly• Elementshapechecks(distortion,
warping,etc.)verifythatelementsdonotviolatelimitsandcanproduceaccurateresults
• Elementthicknessdisplaytocheckthatshellthicknessiscorrect
Loads and boundary conditions NXAdvancedFEMprovidesextensivecapabilitiestodefineloadingandboundaryconditionstocorrectlysimulateoperatingenvironments.
Load and boundary condition control• Applyongeometry(face,edge,or
curve) -Associativityofgeometry-basedloads
andrestraintsthatismaintainedthroughdesigngeometrychanges
-Ensureanodeisplacedatthelocationduringautomaticmeshing
• ApplyonFEentities• Applytolocalcoordinatesystem• Applyongroups• Axisymmetricboundaryconditions• Automaticcontactdetectionandsetup• Automaticallyapplyloadsobtainedfrom
motionanalysisinNXMotion• Time-varyingloadingandboundary
conditionstocorrectlysimulatenonlinearloadingconditions
• Defineloadsbyexpression,arrayortableinput
-SpatiallyvaryingloadscanbequicklyandeasilydefinedviaexpressionorbyASCIIfileimport
-Sameistruefortime,frequencyandtemperaturedependentloads
Load and boundary condition types• Surface-to-surfacecontactdefinitions -Surface-surfacegluecontact -Automaticfacepairing -Coupling -AutomaticcoupledDOF -ManualcoupledDOF• Constraintsandrestraints,including
nodaldisplacement
3Dmesh(solidelements)• Automatictetrahedralmeshing• Swepthexahedralmeshing• Pyramidelementsneededtosmoothly
transitionfromahexmeshtoatetrahedralmesh
• Linearorparabolic
Mesh control• Transitionmeshingfromfinetocoarse
for2Dand3Dfreemeshing• Usercontrolledautomaticabstraction
duringmeshing• Abilitytodefineallowabledistortionfor
tetrahedralelementsbeforemeshing• Localelementcontrolforprecisemesh
generations• Numberofelementsonedge• Chordaltolerance• Geometricprogression• Associationofmeshgenerationsettings
withgeometricfeatures(updatesoccurwithdesigngeometrychanges)
• Surfacecoating• Axisymmetricmeshing• Batchmeshing• Meshqualitychecks• Grouping• Structuredmesharoundholesor
weldrows
Material definitions• Materialpropertycreationand
management• Masspropertycalculations• Physicalpropertycreationand
management• Variableelementthickness
NX
UsingNXAdvancedFEM,youcanperformavarietyofpostprocessingfunctions:
Display• Deformedgeometry• Contourdisplays• Beamcross-sectioncontourdisplays• Vectordisplays• Isosurfacedisplays• Cuttingplanes• Streamlines,ribbonsandbubblesfor
flowresults• Advancedlightingcontrol• Animationswithsteppedorsmooth-
shadeddisplays• Complexdynamicresponseresults• Multipleresultssimultaneously• Multipleviewports• Probingofresultsonnodes• Postprocessingdatatablewithsort/
criteria• 3Dand2Dtextannotations• Templatesofdisplayoptionsfor
repeateduse• Resultslistings• Transparencydisplay• Localcoordinatesystem• Groupsofelementsusingsearchcriteria
Graphing• XYgraphing• Bargraphing• SynchronizedcontourandXYplotting
displays• Annotatedgraphs
Output• Imageoutput(JT,JPEG,BMP,PNG,GIF,
AnimatedGIF,TIF)• Exportsingleormultipleresultsetsto
Excelforfurthermanipulation• HTMLcustomizedreportsformodeldata
andresultsinspection
usedbyanalystsincludingNXNastran®,MSCNastran,Abaqus,AnsysandLS-Dyna.Thesolverenvi-ronmentsimmersetheuserinthelanguageoftheselectedsolver’sterminologywhichenablesanalyststoeasilypreparesolver-specificanalysismodelswithouttheneedtolearnnewterminology.
Export analysis models and import results for these external solvers:• Abaqus• Ansys• LS-Dyna• MSCNastran• NXNastran(enterprise)
Postprocessing Foranalysistodrivedecisions,resultsmustbepresentedinanunderstandableform.NXAdvancedFEMprovidesextensivegraphicsandmanipulationcapabilitiesthatfocusoncriticaldataandpresentitforreviewandaction.
Efficient FE assembly managementAsproductsbecomeevermorecomplex,performingsimulationatjustthecomponentlevelisnotenough.NXAdvancedFEMhasthetoolsneededtoefficientlybuildandmanagecomplexanalysismodelsandassemblies.NXAdvancedFEMisuniqueinthewayitcreatesfiniteelementassemblymodels.UnliketraditionalCAEpreprocessorsthatweredevelopedforcomponentanalysisandrequireyoutobuildlargemonolithicanalysismodels,NXAdvancedFEMwasdevelopedtocreatelargeFEassemblymodelsbyinstancingandconnectingFEcomponentmodelstogether,similartoaCADassembly.
WhenanFEcomponentisupdatedlaterindevelopment,NXAdvancedFEMupdatesallinstancesofthatcomponentwithintheFEassembly,eliminatingtheneedtorebuildandconnectanewFEassemblytogether.
Multi-CAE environments NXAdvancedFEMoffersimmersiveuserenvironmentstosupportavarietyofcommonsolvers
NX
dataandmakesitreadilyaccessiblethroughdatamining,visualizationandreporting.
Linking simulation results to product requirementsNXAdvancedFEMletsyoulinksimulationresultsdirectlytospecificproductrequirementsandcanalertprojectmanagerswhenrequirementsarenotbeingmet.Projectmanagersandotherproductdecisionmakerscanthenviewthe3DsimulationresultsinanintuitivewayusingJT™,alight-weightvisualizationtool.
Automating simulation processes CAEengineerscanincreaseproductivitybyautomatingredundantprocesseswithNXOpen,thecommonfoundationforautomationandprogramminginNX.UsingNXOpen,expertCAEuserscancapture,authorandpublishsimulationprocessestoguidelessexperiencedengineersordesignerstoacceleratethedevelopmentprocess,whileensuringmodelingandresultsaccuracy.
An open platform Siemensunderstandsyouoftenneedtouseothersoftwaretools,eitherdevelopedinternallyorfromothervendors,togettheanswersyouneedtosupportcriticaldevelopmentdecisions.That’swhyNXAdvancedFEMisopenandflexibleenoughtoallowyoutoincorporatethosetoolsintoyoursimulationprocesses.NXAdvancedFEMsupportsanumberofcommercialCAEsolversthroughavailableenvironments,oryoucandevelopyourowninterfacesusingNXOpen.
Simulation data management and automation
Data management designed for the CAE analyst NXAdvancedFEMseamlesslyintegrateswiththeentireTeamcenter®datamanagementportfolio,includingthesimulationprocessmanagementmodule.Simulationdatamanagementcapabilitieswork“outofthebox”,andcompaniescanimplementacompleteenvironmentformanagingCAEdata,processandworkflowaspartofawiderproductdevelopmentenvironment.Thisreduceswastebypromotingre-useofexistingdesignsandengineeringknowledge.Itsynchronizes
Add-ons to extend simulation capabilities
Multi-discipline simulationTheneedtousemultipleanalysisproductsaddscostsandcomplexitybecauseeachanalysisproducthasitsownuserinterfaceandworkflows.Inaddition,incompatiblemodelsandmanualfiletransfersconsumetimeandcreateerrorswhichsometimeshinderthemulti-disciplinestudiesnecessarytocorrectlyunderstandproductperformance.
Additionalanalysiscapabilitiesavailableasadd-onstoNXAdvancedFEMareshowninthistable:
NX
Analysis type Available add-on products for NX Advanced FEM
Topologyoptimization NXTopologyOptimization
Shapeoptimization NXShapeOptimization
Durability NXDurabilityWizardNXAdvancedDurability
LaminatecompositesmodelingLaminatecompositesdraping
NXLaminateComposites
Responsesimulation NXResponseSimulation
ThermalAnalysis NXThermalNXAdvancedThermalNXSpaceSystemsThermal
CFDorflowanalysis NXFlowNXAdvancedFlow
Multi-physics
Coupledthermo-fluidanalysis NXElectronicSystemsCoolingNXFloworAdvancedFlowwithNXThermalorAdvancedThermal
Coupledthermo-elasticanalysis NXThermalwithNXAdvancedFEM
Motion-structural(motionflexiblebodies)
NXMotionandNXFlexibleBodyDynamicSolutionwithNXNastran
Physicaltesttoanalysiscorrelation NXFEModelCorrelationNXFEModelUpdating
ResponseSimulation,NXLaminateComposites,NXFEModelCorrelation,NXFEModelUpdatingandthecustomizedsolverenvironmentsforAbaqus,Ansys,LS-Dyna,andNastran.
NXAdvancedFEMisavailableon32-and64-bitWindowsandalsoon64-bitLinuxsystems.
Product availability NXAdvancedFEMisthecoremoduleintheNXCAEsuiteofapplications.Itisaprerequisiteforallotheradd-onsolutionssuchasNXTopologyOptimization,NXAdvancedDurability,NXDurabilityWizard,NXFlow,NXAdvancedFlow,NXThermal,NXAdvancedThermal,NXElectronicSystemsCooling,NXSpaceSystemsThermal,NX
NX
User Interface
Intuitive and configurable UIAmodernCAEenvironmentrequiresamodernuserinterface.• Organizedandintuitivecommands• Customizablemenusandtoolbars• Contextualmenususingright-mouse
buttonshowonlythemostappropriatecommands
• UserolestotailortheUIbasedonuserprofilestoshowonlythecommandstheuserneeds
©2012SiemensProductLifecycleManagementSoftwareInc.Allrightsreserved.SiemensandtheSiemenslogoareregisteredtrademarksofSiemensAG.D-Cubed,Femap,Geolus,GOPLM,I-deas,Insight,JT,NX,Parasolid,SolidEdge,Teamcenter,TecnomatixandVelocitySeriesaretrademarksorregisteredtrademarksofSiemensProductLifecycleManagementSoftwareInc.oritssubsidiariesintheUnitedStatesandinothercountries.NastranisaregisteredtrademarkoftheNationalAeronauticsandSpaceAdministration.Allotherlogos,trademarks,registeredtrademarksorservicemarksusedhereinarethepropertyoftheirrespectiveholders.X11745310/12B
www.siemens.com/nx
ContactSiemensIndustrySoftwareAmericas +18004985351Europe +44(0)1276702000Asia-Pacific +85222303333
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