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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Ball movement under water flow › Reply To: Ball movement under water flow

October 24, 2024 at 1:58 pm
Federico
Ansys Employee

Refining the mesh will further constrain your allowable time step size.

Can you show the mesh after the negative volume mesh error?

Also, I would suggest using the Unified Remeshing method instead of Methods Based, which requires more tuning.