POLYFLOW - About the simulation of inverse coextrusion

It is possible to perform a simulation of the inverse prediction for a coextrusion case?
This is a difficult question. In fact, unless one tries with a species for identifying the fluid layers (with the appropriate evolutions), POLYDATA does not allow to generate such a task. There are several ciritical issues here, among which we have:
- the definition of the remeshing domains;
- the calculation of the inlet boundary conditions: most probably, one has to separate both entries before thinking of performing a coextrusion case (for both direct and inverse versions);
- the existence of possible multiple solutions.

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