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1、INTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop SupplementWorkshop 8AMeshingPillow BlockINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSY

2、SWorkshop Supplement8A. MeshingPillow BlockDescriptionMesh the pillow block that was created.Use both free meshing and sweep meshing techniques.INTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8A. Meshing

3、Pillow Block1.Enter ANSYS in the working directory specified by your instructor using “p-block-mesh” as the jobname.2.Resume the “p-block.db” database file created in workshop 6 (or the p-block.db1):Utility Menu File Resume from Select the “p-block.db” (or the “p-block.db1”) database file, then OKOr

4、 issue:RESUME,p-block,db (or RESUME,p-block,db1)3.Enter the preprocessor and specify the element type to be SOLID95:Main Menu Preprocessor Element Type Add/Edit/Delete Add .Choose “Structural Solid” and “Brick 20node 95”, then OKCloseOr issue:/PREP7ET,1,SOLID95INTRODUCTION TO ANSYSINTRODUCTION TO AN

5、SYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8A. MeshingPillow Block4.Activate smartsize meshing and free mesh the model with tetrahedral elements:Main Menu Preprocessor MeshTool Activate “Smart Size”Set Smart Size level to 4MeshPick AllCl

6、oseOr issue:SMRT,4MSHAPE,1,3DMSHKEY,0VMESH,ALL5.Save the meshed model:Utility Menu File Save as Enter “p-block-mesh-free.db” as the database name, then OKOr issue:SAVE,p-block-mesh-free,dbINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODU

7、CTION TO ANSYSWorkshop Supplement8A. MeshingPillow Block6.Sweep mesh the model:6a. Clear the free mesh:Main Menu Preprocessor MeshTool ClearPick AllUtility Menu Plot VolumesOr issue:VCLEAR,ALLVPLOTINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANS

8、YSINTRODUCTION TO ANSYSWorkshop Supplement8A. MeshingPillow Block6b. Divide the base volume in two in order to make it topologically consistent for sweep meshing:Utility Menu WorkPlane Align WP with Keypoints +Pick the three keypoints displayed in the graphics window below, then OKMain Menu Preproce

9、ssor -Modeling- Operate -Booleans- Divide Volu by WrkPlane +Pick the base volume, then OKUtility Menu WorkPlane Display Working PlaneUtility Menu Plot VolumesOr issue:KWPLAN,-1, 12, 14, 11VSBW,7WPSTYLEVPLOTINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTI

10、ON TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8A. MeshingPillow Block6c. Activate “tet-mesh” for volumes that cannot be swept:Main Menu Preprocessor -Meshing- Mesh -Volume Sweep- Sweep Opts .Select “Tet mesh in nonsweepable volumes”, then OKOr issue:EXTOPT,VSWE,TETS,ON6d. Leave smartsize level

11、at 4 and set global element size to 0.125, then sweep mesh the model with brick/tet elements:Main Menu Preprocessor MeshTool Pick Set under Size Controls: GlobalSet SIZE = 0.125, then OKSelect “Hex” and “Sweep”, and leave the default “Auto Src/Trg” setting activeSweepPick AllYes - to mesh volume 6 w

12、ith tetrahedra elementsOr issue:SMRT,2VSWEEP,ALLINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8A. MeshingPillow Block6e. Save the meshed model:Utility Menu File Save as Enter “p-block-mesh-sweep.db” as

13、 the database name, then OKOr issue:SAVE,p-block-mesh-sweep,dbINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop SupplementWorkshop 8BMeshingConnecting RodINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANS

14、YSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8B. MeshingConnecting RodDescriptionMesh the connecting rod that was created.Then extrude the area with the mesh to create a 3-D mesh.INTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANS

15、YSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8B. MeshingConnecting Rod1.Enter ANSYS in the working directory specified by your instructor using “c-rod-mesh” as the jobname.orClear the ANSYS database and change the jobname to be “c-rod-mesh”:Utility Menu File Clear & Start New .Util

16、ity Menu File Change Jobname .2. Resume the “c-rod.db” database file created in workshop 7 (or c-rod.db1):Utility Menu File Resume from Select the “c-rod.db” (or “c-rod.db1”) database file, then OKOr issue:RESUME,c-rod,db (or RESUME,c-rod,db1)3.Enter the preprocessor and specify the element type to

17、be PLANE82:Main Menu Preprocessor Element Type Add/Edit/Delete Add .Choose “Structural Solid” and “Quad 8node 82”, then OKCloseOr issue:/PREP7ET,1,PLANE82INTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8

18、B. MeshingConnecting Rod4.Set element size to 0.2 and free mesh the model with quad elements:Main Menu Preprocessor MeshTool Pick Set under Size Controls: GlobalSIZE = 0.2OKMeshPick AllOr issue:ESIZE,0.2MSHAPE,0,2DMSHKEY,0AMESH,ALL5.Save the meshed model:Utility Menu File Save as Enter “c-rod-mesh-q

19、uad.db” as the database name, then OKOr issue:SAVE,c-rod-mesh-quad,dbINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8B. MeshingConnecting Rod6.Extrude the meshed area along its normal to create a 3D bri

20、ck mesh model:6a. Add a 3-D brick element:Main Menu Preprocessor Element Type Add/Edit/Delete Add .Choose “Structural Solid” and “Brick 20node 95”, then OKCloseOr issue:ET,2,SOLID956b. Set element divisions along extrusion and then extrude the area:Main Menu Preprocessor -Modeling- Operate Extrude E

21、lem Ext Opts .VAL1 = 3OKMain Menu Preprocessor -Modeling- Operate Extrude -Areas- Along Normal +Pick area number 2, then OKDIST = 0.5, then OKOr issue:EXTOPT,ESIZE,3VOFFST,2,0.5INTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO AN

22、SYSWorkshop Supplement8B. MeshingConnecting Rod6c. Delete the 2-D PLANE82 elements:Main Menu Preprocessor MeshTool .Select “Areas” under Mesh:ClearPick AllOr issue:ACLEAR,ALL7.Change to isometric view:Utility Menu PlotCtrls Pan, Zoom, Rotate ISOOr issue:/VIEW,1,1,1,1EPLOTINTRODUCTION TO ANSYSINTRODU

23、CTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8B. MeshingConnecting Rod8.Save the meshed model:Utility Menu File Save as Enter “c-rod-mesh-brick.db” as the database name, then OKOr issue:SAVE,c-rod-mesh-brick,dbINTRODUCTION TO AN

24、SYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8B. MeshingConnecting Rod9.Redo the exercise but replace PLANE82 elements with MESH200 elements. Using MESH200 elements eliminates the need to delete/unselect the 2-D elemen

25、ts from the 3-D meshed model:9a. Resume the “c-rod.db” database file created in workshop 7 (or c-rod.db1):Utility Menu File Resume from Select the “c-rod.db” (or “c-rod.db1”) database file, then OKOr issue:RESUME,c-rod,db (or RESUME,c-rod,db1)9b. Enter the preprocessor and specify the element type t

26、o be MESH200 and set keyopt(1)=“QUAD 8-NODE”:Main Menu Preprocessor Element Type Add/Edit/Delete Add .Choose “Not Solved” and “Mesh Facet 200”, then OKOptions .Set K1 to “QUAD 8-NODE”, then OKCloseOr issue:/PREP7ET,1,MESH200KEYOPT,1,1,7INTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSI

27、NTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8B. MeshingConnecting Rod9c. Set element size to 0.2 and free mesh the model with quad elements:Main Menu Preprocessor MeshTool Pick Set under Size Controls: GlobalSIZE = 0.2OKMeshPick AllOr issue:ESIZE,0.2MSHAPE,0,2DMS

28、HKEY,0AMESH,ALL9d. Define element type 2 to be SOLID95:Main Menu Preprocessor Element Type Add/Edit/Delete Add .Choose “Structural Solid” and “Brick 20node 95”, then OKCloseOr issue:ET,2,SOLID95INTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSI

29、NTRODUCTION TO ANSYSWorkshop Supplement8B. MeshingConnecting Rod9e. Set element divisions along extrusion and then extrude the area:Main Menu Preprocessor -Modeling- Operate Extrude Elem Ext Opts .VAL1 = 3OKMain Menu Preprocessor -Modeling- Operate Extrude -Areas- Along Normal +Pick area number 2, t

30、hen OKDIST = 0.5, then OKOr issue:EXTOPT,ESIZE,3VOFFST,2,0.59f. Change to isometric view:Utility Menu PlotCtrls Pan, Zoom, Rotate ISOOr issue:/VIEW,1,1,1,1EPLOTINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Suppl

31、ement8B. MeshingConnecting Rod9g. Save the meshed model:Utility Menu File Save as Enter “c-rod-mesh-brick2.db” as the database name, then OKOr issue:SAVE,c-rod-mesh-brick2,dbINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYS

32、Workshop Supplement8B. MeshingConnecting Rod10. Use VSWEEP to create a 3-D brick element mesh :10a. Resume the “c-rod.db” database file created in workshop 7 (or c-rod.db1):Utility Menu File Resume from Select the “c-rod.db” (or “c-rod.db1”) database file, then OKOr issue:RESUME,c-rod,db (or RESUME,

33、c-rod,db1)10b. Enter the preprocessor and specify the element type to be SOLID95:Main Menu Preprocessor Element Type Add/Edit/Delete Add .Choose “Structural Solid” and “Brick 20node 95”, then OKCloseOr issue:/PREP7ET,1,SOLID95INTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTIO

34、N TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8B. MeshingConnecting Rod10c. Extrude the area to create the volume:Main Menu Preprocessor -Modeling- Operate Extrude -Areas- Along Normal +Pick area number 2, then OKDIST = 0.5, then OKOr issue:VOFFST,2,0.510d. Change to isometr

35、ic view:Utility Menu PlotCtrls Pan, Zoom, Rotate ISOOr issue:/VIEW,1,1,1,1VPLOTINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8B. MeshingConnecting Rod10e. Mesh the volume using VSWEEP:Main Menu Preproc

36、essor MeshTool .Pick Set under Size Controls: GlobalSIZE = 0.2OKSelect “Hex” and “Sweep”, and leave the default “Auto Src/Trg” settingSweepPick AllOr issue:ESIZE,0.2VSWEEP,ALLINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSY

37、SWorkshop Supplement8B. MeshingConnecting Rod10f. Save the meshed model:Utility Menu File Save as Enter “c-rod-mesh-sweep.db” as the database name, then OKOr issue:SAVE,c-rod-mesh-sweep,dbINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODU

38、CTION TO ANSYSWorkshop SupplementWorkshop 8CMeshingCotter PinINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8C. MeshingCotter PinDescriptionMesh the cotter pin model below using the volume sweep option.

39、 The database already has 3-D element type (SOLID95) defined along with some line divisions.INTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8C. MeshingCotter Pin1.EnterANSYS in the working directory spec

40、ified by your instructor using “cotter-pin” as the jobname.orClear theANSYS database and change the jobname to be “cotter-pin”:Utility Menu File Clear & Start New .Utility Menu File Change Jobname .2.Resume the “cotter.db1” database file:Utility Menu File Resume from Select the “cotter.db1” database

41、 file, then OKOr issue:RESUME,cotter,db13.Enter the preprocessor and bring up the MeshTool:Main Menu Preprocessor MeshTool Select “Hex” and “Sweep”, and leave the default “Auto Src/Trg” setting activeSweepPick AllOr issue:VSWEEP,ALLINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRO

42、DUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8C. MeshingCotter pinINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8C. MeshingCotter pin4.Define element size on source and

43、target areas:Utility Menu Plot AreasMain Menu Preprocessor -Meshing- Size Cntrls -ManualSize- -Areas- Picked Areas +Pick the two areas displayed in the graphics window below, then OKSIZE = 0.01OKOr issue:APLOTAESIZE,21,0.01AESIZE,40,0.01INTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYS

44、INTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8C. MeshingCotter pin5.Mesh the model again using VSWEEP:Main Menu Preprocessor MeshTool Select “Hex” and “Sweep”, and leave the default “Auto Src/Trg” setting activeSweepPick AllOKOr issue:VSWEEP,ALLINTRODUCTION TO AN

45、SYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8C. MeshingCotter pin6.Save the meshed model:Utility Menu File Save as Enter “cotter-pin-mesh.db” as the database name, then OKOr issue:SAVE,cotter-pin-mesh,dbINTRODUCTION T

46、O ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop SupplementWorkshop 8DMeshingWheelINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8

47、D. MeshingWheelDescriptionMesh the wheel model below using mixed free and mapped meshing.INTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8D. MeshingWheel1.EnterANSYS in the working directory specified by

48、 your instructor using “wheelb-3d” as the jobname.orClear theANSYS database and change the jobname to be “wheelb-3d”:Utility Menu File Clear & Start New .Utility Menu File Change Jobname .2.Resume the “wheelb.db1” database file:Utility Menu File Resume from Select the “wheelb.db1” database file, the

49、n OKOr issue:RESUME,wheelb,db13.Enter the preprocessor and divide volume by working plane:Main Menu Preprocessor -Modeling- Operate -Booleans- Divide Volu by WrkPlane +Pick AllUtility Menu Plot VolumesOr issue:/PREP7VSBW,1VPLOTINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTI

50、ON TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8D. MeshingWheel4.Offset working plane to keypoint number 19:Utility Menu WorkPlane Offset WP to Keypoints +Select keypoint number 19 as shown in the graphics window below, then OKOr issue:KWPAVE,19INTRODUCTION TO ANSYSINTRODUCT

51、ION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8D. MeshingWheel5.Divide volume by working plane:Main Menu Preprocessor -Modeling- Operate -Booleans- Divide Volu by WrkPlane +Pick AllUtility Menu Plot VolumesOr issue:VSBW,4VPLOTINTRO

52、DUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSINTRODUCTION TO ANSYSWorkshop Supplement8D. MeshingWheel6.Turn off working plane and set global element size to 0.25:Utility Menu WorkPlane Display Working PlaneMain Menu Preprocessor MeshTool Pick Set under Size Controls: GlobalSIZE = 0.25OKOr issue:WPSTYLEESIZE,0.257.Map mesh the four outer volumes with SOLID45 elements (TYPE 1):Main Menu Preprocessor MeshTool Select “Hex” and “Mapped” under Shape:MeshPick t