Rahul Kumar
Ansys Employee

Hello, 

Please ensure that your mesh does not contain polyhedral or adapted elements. The reference conditions and material type (Air) should be suitable for icing conditions. Here is a reference to a simulation: ANSYS Fluent Icing: Conducting a Fluent Airflow Simulation on Clean NACA0012 Airfoil - Ansys Knowledge

 

I hope this helps.Â