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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › RPI Model Diverges at high superheats › Reply To: RPI Model Diverges at high superheats

October 8, 2024 at 10:54 am
Rob
Forum Moderator

Check time step and mesh quality: they're typically good starting points. The RPI models try and dump all of the vapour into the near wall cell so source terms can be large, and that causes stability problems.Â