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ANSYS-AUTODYN--Bird-Strike

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ANSYS-AUTODYN--Bird-StrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783Workshop6BirdStrikeANSYSAUTODYNWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualWorkshopGoalandProced...

ANSYS-AUTODYN--Bird-Strike
WS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783Workshop6BirdStrikeANSYSAUTODYNWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualWorkshopGoalandProcedureGoal:ModelabirdstrikeonanaircraftwingProcedure:SetuptheprobleminExplicitDynamics(ANSYS)TransferthesetuptoAUTODYNConverttheBirdParttouseSPHnodesRuntheanalysisinAUTODYNWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep1–StartWorkbenchStartANSYSWorkbenchandfollowthesequencedstepsusingtheabbreviationsshownbelow:DC =DoubleClickwithLeftMouseButtonSC=SingleClickwithLeftMouseButtonRMB=RightMouseButtonSelectionDD=DragandDrop=HoldLeftMouseButtondownonitemwhiledraggingittonewlocationandthenreleaseit(i.e.,CopyorMove)ThroughouttheseWorkshops,theproceduresshownarenotalwaystheonlywaytoaccomplishthedesiredtasks,sofeelfreetoinvestigateothermethodsviathedocumentationwhenoutsideofthiscourseTheworkshopsconsistentlyuseRMBintheOutlinetreetoaccessoptionswheneverpossibleOftentheseoptionscanalsobeaccessedthroughthe“Context”ToolbarSometimestheseoptionscanalsobeaccessedusingRMBintheViewareaWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManual2.aCreateanExplicitDynamics(ANSYS)Project2.bSelectMKSfortheProjectUnitsandrequestNativeApplicationsinWorkbenchhavetheirvaluesDisplayedintheProjectUnitsStep2–InitiateanExplicitDynamics(ANSYS)ProjectDCSCWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep3–DefineEngineeringDataMaterial3.aEdittheEngineeringDatacelltoselectpredefinedmaterialmodelsfromoneofthepredefinedmateriallibraries3.bSelecttheExplicitMaterialslibrary.MaterialsinthislibraryhavephysicalpropertydatadefinedforexplicitanalysesDCSCWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep3–DefineEngineeringDataMaterial3.cSelectthe“+”signtotherightofAL5083H116toaddittotheEngineeringDatalibrary.3.dLikewise,selectthe“+”signtotherightofWATER2.NotethesymbolofabookthatappearsindicatingsuccessSCWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep3–DefineEngineeringDataMaterial3.fReturntotheProjectSchematic3.gSavetheProjectbyselectingthe“SaveAs”iconandBrowsetothedirectoryindicatedbyyourinstructor.Enter“birdstrike”fortheProjectnameSC3.eGototheEngineeringDatacellandnotetheaddedmaterialsWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep3–DefineEngineeringDataMaterial3.hTemporaryfixReturntoEngineeringDataandenter“0”fortheShearModulusforWATER2.(Thisisanerrorthatwillbefixedinthenextrelease)Workshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep4–ImporttheGeometry4.aImportthegeometrydatabasebirdstrike.agdbasshownbelowWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep5–EdittheModelinMechanical5.aEditthemodelinWorkbenchMechanical.RMBSC5.bSelecttheMKSUnitssystem RecallthatMechanicalisnotnativeinWorkbench,sotheUnitsheremaynotmatchtheProjectUnitsWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep5–EdittheModelinMechanical5.cAssignathicknessof“0.005”metersandthematerialAL5083H116toStiffener1,Stiffener2,Stiffener3andStiffener4 5.dAssignathicknessof“0.003”metersandthematerialAL5083H116toSkin5.eAssignthematerialWATER2toBirdWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep5–EdittheModelinMechanical5.fNoticetheautomaticallydefinedBodyInteraction.ThisallowsafrictionlessslidinginteractionbetweenallbodiesWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep6–GeneratetheDefaultMesh6.aGeneratethedefaultmeshDefaultmeshisreasonable,butnotuniformQualityoftheBirdmeshisnotimportantasitwillonlybeusedtocreatearegionofSPHnodesinAUTODYNRMBWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep7–ChangetheMeshMethod7.aInsertaMeshingMethod7.bSelectallbodies(RMBintheviewarea)7.cDeselecttheBirdbody(<control>+SConbody)7.dSelectApplyRMB<control>+SCSCRMBSCWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep7–ChangetheMeshMethod7.eSelectUniformQuadfortheMethod7.fEnter“0.025”mfortheElementSize7.gEnter“0.025”mfortheDefeaturingTolerance7.hGeneratethemeshRMBWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep8–DefinetheInitialConditions8.aApplyanInitialVelocityConditiontotheBirdasshown.RMBSCNote:IftheBodyselectionfilterisnotautomaticallyactivatedfortheinitialvelocitycondition,selectitmanually.SCSelecttheBirdbodyWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep8–DefinetheInitialConditions8.bChooseDefinebyComponents:X=250.0msWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep9–DefinetheAnalysisSettings9.aSelectAnalysisSettingsinthetree9.bSettheEndTimeto5.0e3secondsintheDetailsView9.cKeeptheremainingdefaultsettings9.dSavethemodelontheWorkbenchProjectpageSCAtthispointtheprojecthasbeensetupamuchasispossibleinExplicitDynamics(ANSYS).ItwillnowbetransferredintoAUTODYNtocompletethesetupfortheSPHsolverandruntheanalysisWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep10–Create(Linkto)anAUTODYNProject10.aOntheWorkbenchProjectpage,underComponentSystems,draganddroptheAUTODYNcomponentontotheSetupcellfortheExplicitDynamics(ANSYS)project.ThiscreatesanAUTODYNprojectwho’ssetupislinkedtotheExplicitDynamicsProject10.bOpentheAUTODYNproject,importingthemodelsetupintheExplicitDynamicsprojectRMBSCDDWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep11–GenerateanSPHPartfortheBird11.cEnter“BirdSPH”forthePartName11.dSelecttheSPHSolver11.eAcceptthedata11.aSelectPartsOnNavigationBar11.bSelectNewinthedialogpanelWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep12–CreateanSPHObjectfromtheBirdPart12.aSelectGeometry(Zoning)12.bUnderImportObjects,selectPart12.cSelecttheBirdParttoconverttoanobject12.dNametheObject“SPHBird”12.eAcceptthedataWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep13–Deletethe(Lagrange)BirdPartNowthatthenewSPHobjecthasbeencreated,theBirdPart(createdinExplicitDynamics)isnolongerneeded,sodeleteit13.aSelectDelete13.bSelecttheBirdPart13.cAcceptthedataNewSPHObjectWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep14–PackSPHBirdObjectwithSPHNodes14.aSelectPack(Fill)14.bSelecttheSPHBirdobject14.cSelectPackSelectedObject(s)14.dCheckFillwithInitialConditionSet14.eSelectInitialConditionSet3(Waterand250ms)14.hAcceptthedata14.fSelectnext14.gEnter15.0mmfortheParticleSizeWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep15–LoadaPlotSettingsFile15.aLoadtheplotsettingsfile“birdstrike2.set”toobtainthefollowingviewWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep16–SetuptheBirdWingInteraction16.aSelectInteractionontheNavigationBar16.bSelectExternalGap(thismustbeusedforLagrangeSPHinteractions)16.cEnteraGapsizeof“1.5”mm16.dSelectCheck Amessagewilltellyouthat theinputparametersareOKWorkshop6.BirdStrikeWS6ANSYS,Inc.Proprietary©2009ANSYS,Inc.Allrightsreserved.June9,2009Inventory002783TrainingManualStep17–RuntheAnalysis17.aSavetheprojectontheWorkbenchProjectPage17.bSelectRuntostartthesolve17.cOncethecalculationisrunning,SelectStopatanytimetostopthecalculation(youcanthenpressRunagaintocontinuethecalculation)Thecalculationtakesapproximately40minutestoruntocompletion(about7500cycles)
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