External Air Flow for a Truck: Exercise 3—Preparing the Mesh
A mesh is a computational grid inside, outside, or both inside and outside any closed geometry defined by a CAD surface.
Generating the Mesh
1. In the Flow Analysis Tree, select Domains.
2. In the Properties panel, Mesh tab, set the following values for Mesh Generation:
Mesh LocationExterior Volumes
Bounding Box MarginsNonuniform
Maximum Side Sizes — 2.0, 1.2, 1.5
Minimum Side Sizes — 0.3, 0, 1.5
Minimum Cell Size — 0.0005
Refine Zone OptionsBox Zone Refinement
Cell Size — 0.005
First Corner — -9.0, -1.0, -1.5
Diagonal Corner – 11.0, 4.0, 1.5
Setup OptionsAdvanced Mode
Sub-feature OptionsCombined with Patches
3. Click Generate Mesh to create the mesh for the fluid domain.