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Modelling a Herschel Bulkley fluid with yield stress proportional to fluid pressure

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Old   August 18, 2010, 06:57
Default Modelling a Herschel Bulkley fluid with yield stress proportional to fluid pressure
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I am currently trying to use OpenFOAM to simulate a open channel fluid flow case with the rheological property as follows:

Shear stress: yield stress (as a function of the fluid pressure) + K * (shear rate)^n

I note that the yield rate is inputted as a constant in OpenFOAM. Would that be possible for such rheological property be implemented in it? Thanks for helping.
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