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Ansys Learning Forum › Forums › Installation and Licensing › Ansys Products › Ansys 2 way FSI Issue › Reply To: Ansys 2 way FSI Issue

September 9, 2024 at 7:32 am
Rahul
Ansys Employee

Most of the time these values are case dependent. try changing it and see what works for your case. 

Initially you could try using URF = 0.8 and decrease further if needed.

for scale factor start with smaller values ( e.g.1e-3 ) and then increase. coefficient-based method has been shown to be more robust than the volume based method so it is recommended.