I'm experiencing a problem with the parameter nCellsBetweenLevels.
I was first using nCellsBetweenLevels 2 for a given mesh. I needed to increase it to nCellsBetweenLevels 3 and I obtained a mesh with less cells than in the first mesh.
The first thing I checked is the maximum number of cells allowed in sHM. There is no problem on that side, the limit is much higher than the mesh size.
I then looked into the log from sHM. The castellation step is split in 4 stages:
1. Feature edges refinement
2. Surface refinement
3. Cell removal inside the body
4. Shell refinement
I compared the number of cells at the end of each stage and the difference appears at the beginning of the "Shell refinement" stage where the number of cells selected for internal refinement is lower in the second mesh than in the first mesh (while it should be the opposite!).
Has anyone already experienced something similar? Do you have an idea what this is due to?
I appreciate your help!
Mesh 1 (with nCellsBetweenLevels 2):
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