Set the sizes on the parts to generate the mesh.

Mesh > Part Mesh Setup  

1. Click the max size header.

   The MAX SIZE dialog box will open.

   

2. Enter 10 for max size and click Accept.

3. Decrease max size for CYL2 to 5.

4. Enter 1 for height for CYL1 and CYL2.

5. Enter 1.2 for height ratio for CYL1 and CYL2.

6. Click Apply and then Dismiss in the Part Mesh Setup dialog box.

View the sizes set.

 Geometry > Surfaces > Hexa Sizes

In Figure 56: Hexa Mesh Sizes the “quad” along the surface represents the max size, the thickness represents the height, while the number is the height ratio.

Figure 56: Hexa Mesh Sizes

Update the mesh.

The hexa blocking file (.blk) is different from the Ansys ICEM CFD geometry file (.tin). You can set the entity mesh parameters at any point before or after blocking. The Update Sizes command is a quick and easy way to translate the entity parameters from the geometry to the blocking. Mesh counts are propagated through a mapped mesh. Hence, the smallest size across any index is used.

Blocking > Pre-Mesh Params   > Update Sizes  

1. Retain the selection of Update All and select Run Check/Fix Blocks.

2. Click Apply.

3. Enable Pre-Mesh.

    Blocking > Pre-Mesh

   The Mesh dialog box will appear, asking if you want to recompute the mesh. Click Yes.

   

4. Disable Surfaces and Edges.

    Geometry > Surfaces

    Blocking > Edges

5. Select Solid & Wire.

    Blocking > Pre-Mesh > Solid & Wire

The initial mesh is shown in Figure 57: Initial Mesh.

Figure 57: Initial Mesh