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Turbulence modeling of non-Newtonian fluid

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Old   March 14, 2007, 17:43
Default Turbulence modeling of non-Newtonian fluid
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I am fresh in CFD. I am working on the simulation of non-newtonian fluid which is turbulent in nature. Could I model non-newtonian fluid by turbulence model like k-epsilon or k-omega model in CFX 10.0?

I wanna set the viscosity in terms of shear strain rate, applying the power law.

I only see a tutorial which works on laminar model.

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Old   March 14, 2007, 20:51
Default Re: Turbulence modeling of non-Newtonian fluid
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Turbulence modelling in Newtonian fluids is already a minefield.

Turbulence modelling in non-Newtonian fluids is poorly developed and understood.

While CFX will allow you to model non-Newtonian flow with one of the turbulence models, you will need to feed the model with appropriate constants. That's assuming the turbulence model is even applicable to your situation in the first place.
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