Hypermesh和Abaqus的接口分析实例.docx

Hypermesh和Abaqus的接口分析实例.docx

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Hypermesh和Abaqus的接口分析实例

Hypermesh和Abaqus的接口分析实例

Hypermesh和Abaqus的接口分析实例（三维接触分析）

Inthistutorial,youwilllearnhowto:

LoadtheAbaqususerprofileandmodel

Definethematerialandpropertiesandassignthemtoacomponent,Viewthe*SOLIDSECTIONforsolidelements

Definethe*SPRINGpropertiesandcreateacomponentcollectorforit,Createthe*SPRING1element

Assignapropertytotheselectedelements

Step1:

LoadtheAbaqususerprofileandmodel

AsetofstandarduserprofilesisincludedintheHyperMeshinstallation.Theyinclude:

RADIOSS（BulkDataFormat）,RADIOSS（BlockFormat）,Abaqus,Actran,ANSYS,LS-DYNA,MADYMO,Nastran,PAM-CRASH,PERMAS,andCFD.Whentheuserprofileisloaded,applicableutilitymenuareloaded,unusedpanelsareremoved,unneededentitiesaredisabledinthefind,mask,cardandreorderpanelsandspecificadaptationsrelated

totheAbaqussolveraremade.

1.FromthePreferencesdropdownmenu,clickUserProfiles....

2.SelectAbaqusastheprofilename.

3.SelectStandard3DandclickOK.

FromtheFiledropdownmenu,selectOpen…orclicktheOpen.hmfileicon.4.

5.Selecttheabaqus3_0tutorial.hmfile.

6.ClickOpen.

Step2:

Definethematerialproperties

HyperMeshsupportsmanydifferentmaterialmodelsforAbaqus.Inthisexample,youwillcreatethebasic*ELASTICmaterialmodelwithnotemperaturevariation.Thematerialwillthenbeassignedtotheproperty,whichisassignedtoacomponentcollector.

Followthestepsbelowtocreatethe*ELASTICmaterialmodelcard:

1.FromtheMaterialsdropdownmenu,selectCreate.

2.Clickmatname=andenterSTEEL.

3.Clicktype=andselectMATERIAL.

4.Clickcardimage=andchooseABAQUS_MATERIAL.

5.Clickcreate/edit.Thecardimageforthenewmaterialopens.

6.Inthecardimage,selectElasticintheoptionlist.

Bydefault,theselectedtypeisISOTROPIC.Ifnot,clicktheswitchandselect7.ISOTROPIC.

Bydefault,theELASTICDATACARDS=fieldvalueis1.Ifnot,input1tosetthe8.numberofdatalines.

9.ClickthefieldbeneathE

（1）andenter2.1E5.

10.ClickthefieldbeneathNU

（1）andenter0.3.

11.Clickreturntoacceptthechangestothecardimage.

12.Clickreturntoexitthepanel.

Step3:

Definethe*SOLIDSECTIONproperties

1.Fromthedropdownmenu,select.PropertiesCreate

2.ClickandenterSolid_Prop.propname=

3.Chooseacolorfortheproperty.

ClickonandsetittoThisensuresthatsectionspertainingtype=SOLIDSECTION.

onlytosolidelementsareavailableascardimageoptions.Alternatively,the

4.type=fieldcanbesettoALLensuringthatallavailablecardimagesarelisted.

5.Clickoncardimage=andselectSOLIDSECTION.

6.Clickmaterial=andselectSTEEL.

7.Clickcreate.

8.Clickreturntoexitthepanel.

Step4:

Assignthepropertytothecomponent

Becausethematerialisassignedtotheproperty,whenyouassignthepropertyto

acomponent,thematerialisautomaticallyassignedaswell.1.FromtheCollectorsdropdownmenu,selectEditandselectComponents.

2.ClicktheyellowcompsbuttonandselectINDENTORandBEAMfromthelist.

3.Clickselect.

4.Ifnecessary,clickthetoggletoswitchtoproperty=.

5.Double-clickproperty=andselecttheSolid_Prop.

Noticethatthecardimage=andmaterial=arealreadysetfromtheSolid_Propproperty.

6.Clickupdate.

7.Clickreturntoexitthepanel.

Step5:

Viewthe*SOLIDSECTIONforsolidelementsHyperMeshsupportssectionalpropertiesforallelementsfromthepropertycollector.

Completethestepsbelowtoviewthe*SOLIDSECTIONcardforanexistingcomponent:

1.FromthePropertiesdropdownmenu,selectCardEdit.

2.ClickpropsandselectSolid_Propfromthelistofpropertycollectors.

3.Clickselecttofinishtheselectionprocess.

4.Clickedittoviewthe*SOLIDSECTIONpropertycardimage.

5.Clickreturntofinishtheviewingprocess.

6.Clickreturntoexitthepanel.

Step6:

Definethe*SPRINGproperties

InAbaquscontactproblems,itiscommontouseweaklygroundedspringstoprovide

stabilitytothesolutioninthefirstloadingstep.Thissectionexplainshowto

createthesespringsandhowtocreatethe*SPRINGcard.Completethestepsbelowtocreatethe*SPRINGcard:

1.FromthePropertiesdropdownmenu,selectCreate.

2.Clickpropname=andtypeinSpring_Prop.

3.Chooseacolorforthepropertycollector.

Clickontype=andsetittoLINESECTION.Thisensuresthatsectionspertaining

onlyto1Delementsareavailableascardimageoptions.Alternatively,thetype

4.=fieldcanbesettoALLensuringthatallavailablecardimagesarelisted.

5.Clickoncardimage=andselectSPRING.

6.Clickmaterial=andselectSTEEL.

7.Clickcreate/edit.

8.Inthedof1field,enter3.

Thedof2fieldinthe*SPRINGcardisignoredbyAbaqusforSPRING1elements.

9.IntheStiffnessfield,enter1.0E-5.

10.Clickreturntoacceptthechangestothecardimage.

11.Clickreturntoexitthepanel.

Step7:

Createacomponentcollectorforthe*SPRINGproperty1.Fromthedropdownmenu,selectandselect.CollectorsCreateComponents

2.ClickandtypeinGROUNDED.compname=

3.Chooseacolorforthepropertycollector.

4.Ifnecessary,clickthetoggletoswitchtoproperty=.

5.Double-clickproperty=andselecttheSpring_Prop.

Noticethatthecardimage=andmaterial=arealreadysetfromtheSpring_Prop

property.

6.Clickcreate.

7.Clickreturntoexitthepanel.

Toresettheviewforfurtherprocessing:

Clicktheisometricviewicon.1.

Step8:

CreatetheSPRING1element

1.FromtheMeshdropdownmenu,selectAssignandselectElementType.

2.Inthe1Dsub-panel,clickmass=andselectSPRING1.

InHyperMesh,groundedelementsarecreatedandstoredasmasselementssincethey

onlyhaveonenodeintheelementconnectivity.3.Clickreturntoexitthepanel.

Onthestatusbaratthebottomofthewindow,thenameofthecurrentcomponent

4.isdisplayed.Clickonthatname.

5.SelectGROUNDEDfromthelistofcomponentcollectorsthatappears.

Asthespringelementsarecreated,theywillbeplacedinthiscomponent.

6.FromtheMeshdropdownmenu,selectCreateandselectMasses.

7.Clicknodesandselectbyidfromthepop-upmenu.

8.Intheid=field,enter451t460b3andclickEnteronthekeyboard.

Thisshorthandselectsallofthenodesfrom451to460inincrementsof3.

9.Clickcreate.

10.Clickreturntoexitthepanel.

定义接触面和相互作用

Step9:

StarttheContactManager

1.FromtheUtilitymenu,clicktheContactManagerbutton.

TheAbaqusContactManagerdialogopens.Step10:

Createthe"Indentor-top"surface1.SelecttheSurfacetabintheAbaqusContactManagerdialog.

2.ClicktheNew…button.

TheCreateNewSurfacedialogopens.

3.IntheName:

field,enterindentor-top.

4.SelectElementbasedasthetypeofsurface.

5.ClickColorandselectacolor.

6.ClickCreate….

TheElementBasedSurfacedialogopensfordefiningelementsandcorrespondingfacesforthesurface.

IntheModelBrowser,expandtheComponentsfoldertodisplayallthecontents.7.Right-clickonindentorandselectIsolate.

Clicktheuserviewsiconandselecttop.8.

9.IntheElementBasedSurfacedialog,selecttheDefinetab.

10.IntheDefinesurfacefor:

list,select3Dsolid,gasket.

11.ClicktheElementsbutton.

Thisopenstheelementselectorpanel.

12.Clicktheelemsbutton.

13.Selectbycollector.

14.Checktheindentorcomponentandclickselect.

Youwillseetheelementsinindentorcomponenthighlighted.

15.ClickproceedtoreturntotheElementBasedSurfacedialog.

16.SelectSolidskinoptionfromtheSelectfacesby:

radiobuttons.

17.SelectacolorfromtheSolidskincolor:

button.

18.ClicktheFacesbutton.

Thiscreatesatemporaryskinoftheselectedelementsandopenstheelementselectorpanel.

19.Selectanelementfromthetopofthesolidskin.

20.Clicktheelemsbuttonandselectbyface.

Youwillseeallfacesatthetopofthesolidskinarehighlighted.21.RotatethemodelinHyperMeshinterfacetoverifyalldesiredfacesareselected.

Youcandeselectanyelement（byrightclicking）oraddmoreifyoulike.

Whenyouaresatisfiedwiththeelementfacesselected,clickproceedtoreturn22.totheElementBasedSurfacedialog.

23.ClicktheAddbuttontoaddthesefacestothecurrentsurface.

Thiscreatesspecial"face"elements（rectangleswithdotinthemiddle）fordisplay.

Youcanrejecttherecentlyadded"faces"byclickingtheRejectbutton.Youcanalso

delete"faces"fromtheDeleteFacepage.

Whensatisfiedwiththesurfacedefinition,clickClosetoreturntotheAbaqus24.dialog.ContactManager

Step11:

Createthe"Beam-bot"surface

SelecttheSurfacetabintheAbaqusContactManagerdialogandclicktheDisplay

1.Nonebuttontoundisplayallsurfaces.

2.ClicktheNew…button.

ThisopenstheCreateNewSurfacedialog.3.IntheName:

field,entercylinder-top.

4.SelectElementbasedasthetypeofsurface.

5.ClicktheColor:

buttonandselectacolor.

6.ClickCreate….

TheElementBasedSurfacedialogopensfordefiningelementsandcorrespondingfaces

forthesurface.

IntheModelBrowser,expandtheComponentsfoldertodisplayallthecontents.

7.Right-clickonBeamandselectIsolate.

8.IntheElementBasedSurfacedialog,selecttheDefinetab.

9.IntheDefinesurfacefor:

list,select3Dsolid,gasket.

10.ClicktheElementsbutton.

Thisopenstheelementselectorpanel.11.Clicktheelemsbutton,selectbycollector,checkBeamcomponentandclickselect.ThishighlightstheelementsinBeamcomponent.12.Clickpro