Ansys Learning Forum Forums Discuss Simulation Fluids “Excessive Thickness Change” Error in 2 way FSI Reply To: “Excessive Thickness Change” Error in 2 way FSI

Rahul Mule
Ansys Employee

Hello

You might need to refine your mesh or adjust the material properties to ensure they are consistent throughout the simulation.

If you have not already done so, I recommend checking the mesh quality and looking for any abrupt changes in thickness that could be causing the error.