Workshop 3

:

Copyright 2004 ABAQUS, Inc Introduction to ABAQUS

Introduction() (Figure W31). (), , (cover), ( CAD ). .

Figure W31 Pump assembly.

pump housing

gasket

cover

bolts

, . ABAQUS (.inp). . ((cover), (gasket), )CAD . W31, , (gasket), (cover), . Note: . ; , .

Copyright 2004 ABAQUS, Inc. Introduction to ABAQUS

W3.2 W3.2

Preliminaries() Preliminaries() 1. : 1. :

../IntroClass/workshops/pump

2. ABAQUS/CAE : 2. ABAQUS/CAE : abaqus cae abaqus ABAQUS .

../IntroClass/workshops/pump

abaqus cae abaqus ABAQUS .

3. Create Model Database. 3. Create Model Database.

Orphan mesh import () Orphan mesh import () ABAQUS (.inp). , .

ABAQUS (.inp). , .

1. , FileImportModel . , pump_ribs.inp .

1. ,

, Assembly(). pump_ribs ; (i.e., ).

FileImportModel . , pump_ribs.inp .

, Assembly(). pump_ribs ; (i.e., ).

2. , Model-1 : 2. , a. Model-1 . a.

Model-1 . b. , Delete . b. ,

Model-1 . c. Yes. c.

Editing nodal coordinates() Editing nodal coordinates() , . . , . .

, . . , . .

1. , PUMP-1 ( + Parts PUMP-1 + ).

1. ,

2. PUMP-1 Mesh . 2. ABAQUS/CAE Mesh() PUMP-1 . W32. ABAQUS/CAE Mesh()

Model-1 : Model-1 .

Model-1 . Delete .

Model-1 .

w3-Orphan mesh import.avi

w3-edit nodes.avi

Yes.

PUMP-1 ( + Parts PUMP-1 + ).

PUMP-1 Mesh . PUMP-1 .

W32.

Copyright 2004 ABAQUS, Inc. Introduction to ABAQUS

W3.3

Figure W32 Orphan mesh of pump housing.

3. , ViewViews Toolbox . Views

, . Turn Perspective Off ( ) , (see Figure W33).

Figure W33 Top view of pump housing.

4. , ToolsDatum. Create Datum ( W34). CSYS (datum). 3 points , OK . Create Datum CSYS , Cylindrical Continue . (0.0, 0.0, 0.0) Create Datum . . .

Copyright 2004 ABAQUS, Inc. Introduction to ABAQUS

W3.4

Figure W34 Create Datum dialog box.

5. . , MeshEdit . Edit Mesh , Node (category) Edit (method), W35. OK .

Figure W35 Edit Mesh dialog box.

Copyright 2004 ABAQUS, Inc. Introduction to ABAQUS

W3.5

Figure W36 Selection filters.

Select entities inside the drag shape

Circular drag shape

Toggle off the selection of entities closest to the screen

6. . : individually ()(),

W36 (). ( 2). , . , W37 . .

face angle (i.e., ). : . , by angle . . , . , .

(), Done .

Figure W37 Selected nodes for mesh edit.

Copyright 2004 ABAQUS, Inc. Introduction to ABAQUS

W3.6 W3.6

7. Edit Nodes , W38 . . Select , , 2 .

7. Edit Nodes , W38 . . Select , , 2 .

8. Coordinates , (1coordinate) (i.e., ) Specify 0.65. OK Done .

8. Coordinates , (1coordinate) (i.e., ) Specify 0.65. OK Done .

Figure W38 Edit Nodes dialog box.

w3-Deleting elements-1.avi

w3-Deleting elements-2.avi

Deleting elements() .

, W39 . Views Toolbox , , W39 .

Figure W39 Rib elements.

Front ribs

Rear ribs

Copyright 2004 ABAQUS, Inc. Introduction to ABAQUS

W3.7

1. , ToolsEdit Mesh . Edit Mesh , Element (category)Delete (method), OK .

2. , Show/Hide Selection Options Polygon(). 90 , W39 .

3. , Delete associated unreferenced nodes . 4. .

, [Control]+Click . , Done .

5. . . , .

a. , , ToolsEdit Mesh, Edit Mesh OK . , Delete associated unreferenced nodes .

b. , Sets Region Selection . c. Region Selection, RIBS

Highlight selections in viewport , .

d. Continue . e. Cancel Region Selection .

Views Toolbox , .

6. , , ToolsEdit Mesh, Edit Mesh OK . , Delete associated unreferenced nodes .

7. , W310 . , Done . W311 .

8. . Pump.cae.

Copyright 2004 ABAQUS, Inc. Introduction to ABAQUS

W3.8

selected elements rectangular drag

shape

Figure W310 Select half of the pump housing.

Figure W311 Halved pump housing without ribs.

Importing CAD geometry( CAD ) ABAQUS/CAE .

w3-Importing CAD geometry.avi

1. , FileImportPart Import Part .

2. , ACIS SAT. , cover.sat . OK . ABAQUS/CAE (Part), Create Part from Acis File .

3. Create Part from Acis File , Name-Repair Convert to precise representation . OK . W312a .

Copyright 2004 ABAQUS, Inc. Introduction to ABAQUS

W3.9 W3.9

4. , Geometry diagnostics (ToolsQuery) .

4. , Geometry diagnostics (ToolsQuery) .

5. 1 4 gasket.sat . 5. 1 4 W312b . W312b .

gasket.sat .

6. bolt.sat Convert to precise representation .

6.

Figure W312c . Figure W312c .

bolt.sat Convert to precise representation .

7. . Query .

7. . Query .

8. Pump.cae. 8. Pump.cae.

(a) cover

(b) gasket

(c) bolt

Figure W312 Components of pump assembly.

w3-cutting geometry.avi

Halving the imported geometry() (cover). (cover).

1. cover (cover). 2. , ViewSpecify . Viewpoint ,

0,0,-1 , 0,-1,0 . OK . , . , .

3. , ToolsDatum .

Copyright 2004 ABAQUS, Inc. Introduction to ABAQUS

W3.10 W3.10

4. Create Datum , Axis (Type) Principal axis (method). OK.

4. Create Datum , Axis (Type) Principal axis (method). OK.

5. Y-Axis . 5. Y-Axis . 6. , ShapeCutExtrude. 6. , ShapeCutExtrude. 7. (cover), W313 ,

. 7. (cover), W313 ,

.

Figure W313 Sketch plane and datum axis.

sketch plane datum axis

8. . 9. , AddLineRectangle.

(cover), Figure W314 .

Figure W314 Cover cut profile.

cut rectangle

10. , Done . 11. Edit Cut Extrusion , Through All.

(cover). OK. (cover) W315 .

Copyright 2004 ABAQUS, Inc. Introduction to ABAQUS

W3.11

Figure W315 Cover.

, . 12. gasket . Views

Toolbox . 13. , . ,

ToolsDatum . 14. Create Datum , OK Principal axis

Axis. Y-Axis . 15. , ShapeCutExtrude . 16. , W316 .

. 17. , AddLineRectangle.

, W316 .

Figure W316 Cut profile.

cut rectangle

surface selected as sketch plane

18. , Done . 19. Edit Cut Extrusion , Through All.

. OK.

Copyright 2004 ABAQUS, Inc. Introduction to ABAQUS

W3.12

W317 . 20. Pump.cae.

Figure W317 Gasket.

Note: ABAQUS/CAE , pump_ribs (Out of date). , pump_ribs.inp . , . ABAQUS/CAE , , .

Introduction() Preliminaries()Orphan mesh import () Editing nodal coordinates() Deleting elements() Importing CAD geometry( CAD ) Halving the imported geometry()