使用Mechanical Toolbar分析的一个例子.docx

使用Mechanical Toolbar分析的一个例子.docx

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使用MechanicalToolbar分析的一个例子

Exercise1:

AxleStructuralStaticAnalysis

ThepurposeofthisexerciseistocoverthebasicfunctionalityoftheMechanicalToolbar（MTB）inthecontextofperforminganactualanalysis.Detailsofeachcommand,alongwithanexplanationofwhyyouareusingthecommand,areprovidedpriortoeachstep.

ThiswillbeasimpleproblemthatwillbeperformedentirelywithintheMTBtogivethestudentaquickoverviewoftheMTBfunctionality.Thisexercisewillusetheveryminimumofinputrequiredtoprogressthroughthestepsandobtainresults.Themodelwillemploythenodefeature/repairoptionduringimportofasolid3Dpart,MTBmaterials,Smartsizemeshing,simpleareaconstraints,andareaforceloading.

Theanalysiswillbeperformedona3-Dsolidmodelofanautomobilefrontwheelaxle.Themodelhasalreadybeensufficientlydefeaturedtofacilitatebuildingthefiniteelementmodel.YouwillusetheMTBtodeterminemaximumstressanddeflectionandiftheaxlecanwithstandthegivenloadswithoutyielding.

Important:

PleaseReadtheFollowing

Thisexercisecontainsthestepbystepinstructionstocompletetheproblemdescribedabove.AllinstructionstotheexercisearedenotedbyBluecoloredtext.

ThisexercisealsocontainsdetailedinformationaboutthefunctionsonMechanicalToolbar.Theinformationthatisprovidedcoverstherequiredfunctionsnecessarytocompletethisexercise.Otherfunctionswillbecoveredinlaterexercises.Theinformationshouldbereadbeforeproceedingwiththeinstructions.ThedetailedinformationisdenotedbytheBlackcoloredtext.

Outline:

1.LaunchANSYS/ProfessionalWithTheMTB:

2.LaunchANSYS.

3.ActivateMechanicalToolbar

4.Setup:

5.EngineeringDiscipline.

6.AnalysisType

7.UnitSystem

8.GraphicTitle

9.ToolbarProperties

10.Model:

11.ModelPreparation

12.ImportingModels

13.ViewingThemodel

14.MaterialProperties

15.MeshingtheModelwithSmartSizing

16.TheMeshTool

17.LoadsAndBoundaryConditions:

18.Environment

19.AddingorDeletingLoadsandB.C.’s

20.Solve:

21.SolveNow

22.SolveLater

23.LinearElasticSolutionResults

24.ResultsItem

25.ResultsDisplay

26.Reports

27.Conclusion

28.AdditionalFunctions

Step-by-stepInstructions:

Createafolderonyourcomputerforthisjobandcopytheparasolidfileaxle.xmt_txttothisfolderfromtheInputFilesfolderontheCD.

Ifyoudonothaveaparasolidtranslator,copythefileaxle.dbinstead.Whenyoureachsection3.2（ImportModel）,selectANSYS（*db*）fortypeoffileandimporttheaxle.dbfile.

1.LaunchANSYS/ProfessionalandActivatetheMechanicalToolbar（MTB）

1.1.LaunchANSYSusingyourstartmenu.

A.Browsetoselecttheworkingdirectoryyoujustcreatedforthisjob.

B.ChangetheGraphicsdevicenameto3D

C.Enterajobname（axle）.AllANSYSfilescreatedforthisproblemwillhaveafilenameofaxlefollowedbyauniqueextension.

D.ChangetheMemoryRequestedforTotalWorkspaceandforDatabasesizesforthisjobtobe256and64respectively.

E.ClickRUNtostarttheANSYSGUI.

1.1.D

ThefollowingstepisrequiredonlyifyouarenotrunningANSYSProfessional.

1.2.ActivatetheMechanicalToolbar（MTB）.

A.ClickonMenuCtrls

B.

1.2.B

ClickonMechanicalToolbar.TheMechanicalToolbar（MTB）willnowappearandreplacetheMainMenu,InputWindow,andtheToolbar.

BydefaulttheMTBwillfirstdisplaytheSetuptab.Thisiswhereyouwillspecifytheanalysissettings.TheMTBoptionswillvarydependingonwhichTabiscurrentlyactive.

2.

Setup

OntheSetuptab,youarerequiredtospecifytheengineeringdiscipline,analysistype,unitsystem,andthegraphicstitlefortheanalysis.YoualsohaveoptionsforsettingyourMTBpreferencesandinputtinguserinformation.

2.1.SettheEngineeringDiscipline

2.1.A

Tosettheengineeringdiscipline,clickontheEngineeringDisciplinedropdownlistandselecteitherStructuralorThermal.TheselectedoptionwilldirectlyaffectwhichoptionsarepresentedtoyouintheAnalysisTypedropdownlist.

A.SettheEngineeringDisciplinetoStructural

2.2.AnalysisType

2.2.A

Tosettheanalysistype,clickontheAnalysisTypedropdownlistandselectthetype.IftheEngineeringDisciplineissettoStructural,youhavetheoptionsofeitherStaticorModal.IftheEngineeringDisciplineissettoThermal,thenyouonlyhavetheoptionofSteady-State.

A.SettheAnalysisTypetoStatic

2.3.

UnitSystem

2.3.A

Tosettheunitsystem,clickontheUnitSystemdropdownlistandselecttheunitsystemthatyouwanttoworkin.Youalsohavetheoptiontodefineanewunitsystem.Theunitsystemthatyouchoosehasnoeffectonexistingdataorcompletedanalyses.Itisonlyusedtodefinelabelsontheplotsforconvenience.Ifyouchangeunitsduringthemodelingproces