ANSYS 网格划分实例

INTRODUCTION TO ANSYS
Workshop 8B
Meshing
Connecting Rod
8B. Meshing
Connecting Rod
Description
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INTRODUCTION TO ANSYS
•
•
Mesh the connecting rod that was created.
INTRODUCTION TO ANSYS
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 [OK]
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INTRODUCTION TO ANSYS
6d. Leave smartsize level at 4 and set global element size to 0.125, then sweep mesh the model with brick/tet elements:
8A. Meshing
Pillow Block
6. Sweep mesh the model:
– Main Menu > Preprocessor > MeshTool … • • – – [Clear] [Pick All]
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INTRODUCTION TO ANSYS
8B. Meshing
Connecting Rod
6. 6a. Add a 3-D brick element:
– Main Menu > Preprocessor > Element Type > Add/Edit/Delete … • [Add ...] – Choose “Structural Solid” and “Brick 20node 95”, then [OK] – • [Close] Or issue: ET,2,SOLID95
–
8B. Meshing
Connecting Rod
4. Set element size to 0.2 and free mesh the model with quad elements:
– Main Menu > Preprocessor > MeshTool … • • • • – Pick [Set] under Size Controls: Global SIZE = 0.2 [OK] [Mesh]
–
• [Close] Or issue: /PREP7 ET,1,SOLID95
8A. Meshing
Pillow Block
4.
– Main Menu > Preprocessor > MeshTool … • • • • – Activate “Smart Size” Set Smart Size level to 4 [Mesh] [Pick All]
5.
Save the meshed model:
– – Utility Menu > File > Save as … • Enter “p-block-mesh-free.db” as the database name, then [OK] Or issue: SAVE,p-block-mesh-free,db
– –
3.
Enter the preprocessor and specify the element type to be PLANE82:
– Main Menu > Preprocessor > Element Type > Add/Edit/Delete … • [Add ...] – Choose “Structural Solid” and “Quad 8node 82”, then [OK] • [Close] Or issue: /PREP7 ET,1,PLANE82
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6b. Divide the base volume in two in order to make it topologically consistent for sweep meshing:
INTRODUCTION TO ANSYS
8A. Meshing
Pillow Block
6a. Clear the free mesh:
Utility Menu > Plot > Volumes Or issue: VCLEAR,ALL VPLOT
8A. Meshing
Pillow Block
– – – – – Utility Menu > WorkPlane > Align WP with > Keypoints + • • Pick the three keypoints displayed in the graphics window below, then [OK] Pick the base volume, then [OK] Main Menu > Preprocessor > -Modeling- Operate > -Booleans- Divide > Volu by WrkPlane + Utility Menu > WorkPlane > Display Working Plane Utility Menu > Plot > Volumes Or issue: KWPLAN,-1, 12, 14, 11 VSBW,7 WPSTYLE VPLOT
6c. 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 [OK] Or issue: EXTOPT,VSWE,TETS,ON
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Activate smartsize meshing and free mesh the model with tetrahedral elements:
INTRODUCTION TO ANSYS
• [Close] Or issue: SMRT,4 MSHAPE,1,3D MSHKEY,0 VMESH,ALL
– Main Menu > Preprocessor > MeshTool …
• • • • • – Pick [Set] under Size Controls: Global Set SIZE = 0.125, then [OK] Select “Hex” and “Sweep”, and leave the default “Auto Src/Trg” setting active [Sweep] [Pick All]
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INTRODUCTION TO ANSYS
• [Pick All] Or issue: ESIZE,0.2 MSHAPE,0,2D MSHKEY,0 AMESH,ALL
5.
Save the meshed model:
– – Utility Menu > File > Save as … • Enter “c-rod-mesh-quad.db” as the database name, then [OK] Or issue: SAVE,c-rod-mesh-quad,db
– Main Menu > Preprocessor > -Modeling- Operate > Extrude > Elem Ext Opts ... • • VAL1 = 3 [OK] Pick area number 2, then [OK]
– – Utility Menu > File > Resume from … • Select the “p-block.db” (or the “p-block.db1”) database file, then [OK] Or issue: RESUME,p-block,db (or RESUME,p-block,db1)
Workshop Supplement
INTRODUCTION TO ANSYS
Workshop 8A
Meshing
Pillow Block
8A. Meshing
Pillow Block
Description
Workshop Supplement
INTRODUCTION TO ANSYS
•
•
Mesh the pillow block that was created.
Then extrude the area with the mesh to create a 3-D mesh.
8B. Meshing
Connecting Rod
1. or Clear the ANSYS database and change the jobname to be “c-rod-mesh”:
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