Viscoelastic flow in rotorstator @ POLYFLOW
Dear CFD experts,
I would like to know the capability of PolyFlow to model viscoelastic flow in RotorStator system. I am planning to model the flow in twin screw extruder to elucidate the shear and elongational stresses. I already made research on the capabilities of other solvers such as Fluent, OpenFoam. However I conclude that Polyflow will be the best solver in my case. I know that it has Mesh Superimposition technique which makes it possible to model the flow through the complex geometries like Twinscrew extruder. But is it possible to use viscoelastic models with this technique? May be some more details about my problem would be helpful. The Simulation will be 3D and the interaction between rotor and stator is quite high and important. We will not simulate the whole extruder but just one pair of corotating kneading elements. The goal is application of different viscoelastic models to determine the one that describes the flow better. I would be glad if you could give me the situation of its capabilities to implement the viscoelastic flow modeling in rotorstator systems? Another project and question: Is it possible to model the free flow after the die where the evaporation of water is the leading factor for expansion?? If yes, what paremeters can be investigated in this case? Thank you for your time and help Best Wishes Sumshen 
If you have got any progress in you experience, would you share it with others like me?

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