12.16.1 Mesh Generation

The following are suggestions to follow when generating the mesh for use in your turbulent flow simulation:

• First imagine the flow under consideration, then identify the main flow features expected in the flow using your physical intuition or any data for a similar flow situation. Generate a mesh that can resolve the major features that you expect.

• If the flow is wall-bounded, and the wall is expected to affect the flow significantly, then take additional care when generating the mesh. You should avoid using a mesh that is too fine (for the wall-function approach) or too coarse (for the enhanced wall treatment approach). See Section  12.3 for details.