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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Strange Divergence in natural circulation simulation simulation using VOF › Reply To: Strange Divergence in natural circulation simulation simulation using VOF

July 19, 2024 at 12:21 pm
Dato
Subscriber

Dear Dr Rob,

Water-liquid density is specified as temperature dependent but density of water-vapor is a constant. Oh, it's said that density of water-vapor must be set as real gas or something. Otherwise it's not conform to reality and hence solver may encounter numerical problems. Is it right? 

And I found large pressure in the domain. Can it can demonstrate it to some extent?Â