[aero_head]

Hello Everyone,

I am trying to coarsen the mesh in a selected block. The ICEM manual tells me I can:
Use Blocking > Pre-Mesh Params > Refinement to refine or coarsen the mesh. You can apply the refinement/coarsening in all three major directions simultaneously or in just one major direction.
Refinement
To refine the mesh, enter a scale factor greater than 1.
Coarsening
To coarsen the mesh, enter a scale
factor less than 1.

I go to the refinement option and enter a scale factor less than 1 (see screenshot where I used 0.5), but it gives me an error and tells me that the factor must be positive.

Am I missing something? Thanks in advance