Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Dynamic mesh-nan in cg definition › Reply To: Dynamic mesh-nan in cg definition
November 24, 2023 at 3:50 pm
Federico
Ansys Employee
Yes and no, depending on what your ymotion UDF does, time step size can bring in other issues as well.
As per my previous comment, do a mesh check prior to doing a Preview of Mesh Motion. Otherwise, you may share your UDF code here to give us more information.