Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Fan BC › Reply To: Fan BC
April 22, 2024 at 1:54 pm
Rob
Forum Moderator
That may be mesh related - there are only 5-6 cells between the bottom fan & the wall. I'm also guessing you've not got a thin wall at the sides: the mesh is too fine for a wall & shadow pair.Â