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ANSYS 网格划分实例


INTRODUCTION TO ANSYS
Workshop 8B
Meshing
Connecting Rod
8B. Meshing
Connecting Rod
Description
Workshop Supplement
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”:
Workshop Supplement
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