There is a conflic between your stl file (no slip wall BC) and the right outlet BC. As a quick fix. i sligthly decrease xmax and added vertical walls to remove the conflict. Please see attached.
cone2.mfx (22.5 KB)
There is a conflic between your stl file (no slip wall BC) and the right outlet BC. As a quick fix. i sligthly decrease xmax and added vertical walls to remove the conflict. Please see attached.
cone2.mfx (22.5 KB)