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Forum: OpenFOAM Running, Solving & CFD

August 5, 2012, 17:35

Replies: 8

Why bother with viscosity models?

Views: 2,999

Posted By kmooney

Hi Bernhard, I actually implemented a...

Hi Bernhard,
I actually implemented a viscosity Carreau-Yasuda model myself. I believe the viscoelastic model you are referring to models the relaxation time lambda with a CY type curve.

Forum: OpenFOAM Running, Solving & CFD

August 5, 2012, 16:34

Replies: 8

Why bother with viscosity models?

Views: 2,999

Posted By kmooney

My fluid in particular is a Carreau-Yasuda type. ...

My fluid in particular is a Carreau-Yasuda type. These fluids are characterized by an upper shear rate viscosity plateau, a lower shear rate viscosity plateau, and a smooth transition between the...

Forum: OpenFOAM Running, Solving & CFD

August 5, 2012, 15:22

Replies: 8

Why bother with viscosity models?

Views: 2,999

Posted By kmooney

Why bother with viscosity models?

Howdy Foamers,

As I'm writing up my dissertation, I couldn't help but come to the conclusion that using viscosity models (power law, Carreau-Yasuda what have you) is simply the wrong way to model...

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