CATIA DMU官方教程一.docx
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CATIA DMU官方教程一.docx
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CATIADMU官方教程一
DMUOptimizer
DetailedSteps
TableofContents
NH90Exercise3
Step13
Step28
Step312
Step417
Step520
Step622
Step724
NH90Exercise
Step1
1.ComputeSimplification
▪GototheDMUOptimizerworkbench
▪OpentheCATProduct:
CATDMO_NH90_Step1.CATProduct
▪ClickontheSimplificationicon
TheSimplificationdialogboxappears:
▪SelecttheNH90_linkage_rod_type-02
▪TypeanAccuracyof3mm
▪ClickonthePreviewbutton:
Thepreviewwindowappears:
2.SavetheResultasaCGRfile
▪ClickontheSavebutton
▪Selectadirectoryandtypeadifferentnameifyouwant
▪ClickontheSavebuttonoftheSaveAswindow
TheSimplificationdialogboxstaysactive
3.Computeamulti-componentsSimplification
▪Selectotherscomponentslikeinthepicturebelow
(onebyoneorwithatrap)
▪TypeanAccuracyof5mm
▪ClickonthePreviewbutton
Theresultisdisplayed:
▪SaveitasaCGRfilelikepreviously
▪ClickontheClosebutton
4.ReplacetheSimplifiedcomponentsbytheCGRfilejustcreated
▪Removethesefivecomponentsfromtheassembly
▪InserttheCGRfileoftheSimplificationintheproduct
5.Savetheproductunderanothername
▪GotothemenuFile/SaveAs…
▪Typeanewname
▪ClickonSave
Step2
6.ComputeSilhouette
▪OpentheCATProduct:
CATDMO_NH90_Step2-4.CATProduct
▪SelecttheSilhouetteViewintheNamedViewspanel
▪Thisviewpointistheone,whichwillbeusedforthesilhouetteview
7.Computeandsavethesilhouette
▪SelecttheSilhouetteicon
▪SelectthehelicopterfortheSelectionfield
▪Enter50mmfortheAccuracyparameter
▪SelecttheviewpointSilhouetteViewfromtheMulti-selectionListpanelthenClickOK
▪LaunchthecomputationbyclickingonthePreviewbutton
▪Ittakesaboutoneminuteandhalftocomputethesilhouettewiththisaccuracy
▪Thepreviewwindowdisplaytheresult
▪ClickontheSavebutton
▪Youareaskedtosavethesilhouetteinadirectory:
Saveit
▪Notethattheresultingfileisatessellatedfileformat(.cgr)
▪ClickontheClosebutton
8.Createascenewiththesilhouetteduplicatedseveraltimes
▪CloseallthewindowsinCATIA
▪GototheDMUNavigatorworkbench
▪Insertasanexistingcomponentthesilhouetteyouhavejustcreated
▪Youcaninspectthesilhouetteasyouwish
▪WithintheProduct,copyandpastethehelicopterseveraltimes,
▪Andusethe3DCompasstomovethecopies
▪Youcancreateascenewith4or5helicoptersparkedtogether
9.Informationaboutthereductionofsize
OSizeoftheoriginalmodel:
15.7MB
OSizeofthetessellatedfile:
7.8MB
ONumberoftriangles:
463.000
OSizeofthesilhouette:
3.4MB
ONumberoftriangles:
229.000
Step3
10.ComputeWrapping
▪GototheDMUOptimizerworkbench
▪OpentheCATProduct:
CATDMO_NH90_Step3.CATProduct
▪SelecttheviewViewforWrappingintheNamedViewspanel
∙ThisviewpointistheonewhichwillbeusedfortheWrappingcomputation
11.
ComputetheWrappingrepresentationandsubstituteittotheoriginal
▪SelectTools->Options
▪SelectDMUOptimizerintheleft-handbox
▪SelecttheDMUOptimizertab
▪SwitchtheManageasalternateshapeoptiononforWrapping
▪CheckthatActivateshapeoptionison
▪CheckthatDefaultshapeoptionisoff
▪ClickOK
▪SelecttheWrappingicon
▪SelectthelandinggearfortheSelectionfield
▪PuttheGrainvalueto50mm
▪PuttheRatioto0.0
▪ClickPreview
▪Notethatthewrappingrepresentationisreplacingtheoriginalmodelinthesession,becausetheActivateShapeoptionisonintheDMUOptimizertab
▪MakesometestsbychangingtheparametersGrain,RatioorCubic,withPreviewbuttontocomputethenewrepresentation
▪ClickSavewhenyouaresatisfiedwiththewrappingrepresentation
▪Youareaskedtosavethewrappingrepresentation(cgrfile)
▪Re-computeonanothercomponentorclickClose
Step4
12.ComputeThickness
▪GototheDMUOptimizerworkbench
▪OpentheCATProduct:
CATDMO_NH90_Step2-4.CATProduct
13.Preparetheoptionsfortheresult
▪TurntheoptionManageasanalternateshapeonforThickness
14.Computeandvisualizethethickness
▪SelecttheThicknessicon
▪SelecttheNH90skinfortheSelectionfield
▪Enter5mmfortheOffset1field
▪Enter0mmfortheOffset2field
▪ClickPreviewtostartthecomputation
▪Youcanmanipulatethenewrepresentationasyouwish
15.Analysethenewrepresentation(volume)
▪SelecttheMeasureitemicon
▪ClickontheNH90skinwithitsnewthickness
▪YougetthevolumeoftheNH90skinwithathicknessof5mm(forexamplewithcompositesstructures)
▪ClosetheMeasureitempanel
▪Youcantryseveralthicknessesandre-startthecomputation,thencomparethevolumes
▪Togofurtherinthisfunctionnality,youcanputsomeorientationconstraintstothefaceswithawrongorientation,andre-startthecomputation
Step5
16.ComputeOffset
▪GototheDMUOptimizerworkbench
▪OpentheCATProduct:
CATDMO_NH90_Step5.CATProduct
▪TurntheoptionManageasanalternateshapeonforOffset
▪DisplaytheviewViewOffset
17.Computeandvisualizetheoffsetedrepresentation
▪SelecttheOffseticon
▪SelecttheActuatorCylindercomponentfortheSelectionfield
▪Enter20mmfortheOffsetfield
▪ClickPreviewtostartthecomputation
▪Youcanmanipulatethenewrepresentationasyouwish
▪Youcantrydifferentvaluesfortheoffset,thensavetheoneyouwanttokeep
▪ClickClose
Step6
18.SweptVolume
▪Clickonthesweptvolumeicon
▪ChoosetheSweptVolumereplay
▪ClickonthesearchiconofProductstosweepandkeepselectedonlytheLandingGearWheel
▪ClickOK
▪ClickonApplybuttontopreviewtheresultinthepreviewwindow
▪ClickOktostoretheresultasaCgr,VrmlorV4modelfile
19.Closethestructure
▪SelectFile>Close…
▪SelectNosaveintheClosepanel
Step7
20.ComputeFreeSpace
▪GototheDMUOptimizerworkbench
▪OpentheCATProduct:
CATDMO_NH90_Step6.catproduct
▪TurntheoptionManageasanalternateshapeonforFreeSpace
21.Computeandvisualizethefreespacerepresentation
▪SelecttheFreeSpaceicon
▪SelectthewheelmodelfortheSelectionfield
▪ClickDialogActivetodisplaytheFreespaceboxpanel
▪ClickontheTrimonselectionbuttontore-centertheboxonthewheel
▪PuttheAccuracyto10mm
▪PuttheTypeto:
Inboxarea
▪ClickPreviewtostartthecomputation
▪Youcanmanipulatethenewrepresentationasyouwish
▪Youcantrydifferentvaluesfortheaccuracy,thensavetheoneyouwanttokeep
▪Notethattherepresentationsavedisa3Dmapformat,thatistosayavolumerepresentation,madeofvoxels
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- CATIA DMU官方教程一 DMU 官方 教程