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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Residual upset for melting simulation › Reply To: Residual upset for melting simulation

January 6, 2025 at 5:38 pm
flo.schuster
Subscriber

Ok thank you. Then I will try to implement a constant temperature with a piecewise linear density definition up to the beginning of the melting range. 

The geometry contains a vacuum regime that is modeled as air with a viscosity of 1000 (proved to increase robustness) and patched to 1 Pa pressure. Is that a valid approach?