CATIADMU官方教程一.docx

CATIADMU官方教程一.docx

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CATIADMU官方教程一

DMUOptimizer

DetailedSteps

TableofContents

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