Reply To: Improving Mesh Quality for Stability

[Rob]

1. No, but remember inflation meshing is also a high aspect ratio if the solution changes along the cell. 
2. Yes, use inflation with extreme caution - see above. 
3. Possibly. That's one of the reasons we have dynamic adaption with pre-built criterion for VOF. 
4. No, but also avoid poly-hexcore in Fluent Meshing as the jump in cell size in the core mesh can be problematic if it coincides with the free surface. 
5. Yes, but I recommend doing it properly in the first place. 

With multiphase instabilities may be real and a result of the flowfield.