Learning Forum

[aagalvez]

Hello to everyone. I am working on a thesis with a beginner idea on ANSYS FLUENT. I am at the meshing part already and a warning popped out after generating the volume mesh. S ee picture attached. What does this indicates? Do I have a problem on my geometry? Thank you in advanced!

[Federico]

Stair-stepping is a technique used to manage the growth of inflation layers in meshing processes, particularly when dealing with proximity regions and sharp corners. It involves the strategic removal of layers to prevent collisions and maintain mesh quality.

[Federico]

You should inspect the locations where stair-stepping is occuring and evaluate if the mesh is acceptable, but considering the fact that you have 3 stair-stepping locations on a 2M cell mesh of good quality, it may not be an issue for you.

[Rob]

It usually means that the inflation layers didn't fit somewhere so some cell layers have been omitted. So whilst the bulk of your inflation zone has 8 cell layers some regions will have 7 layers or fewer.  Depending on where the cells are it probably won't cause any problems, and the ortho quality is good. 

[aagalvez]

Thank you so much for the information!