[TitusOfei]

Dear friends,
I am using ANSYS CFX version 14.0 and I want to model a different non-Newtonian fluid dynamic viscosity other than those provided in CFX. I wish to write them in either CEL or CCL (I don't know which is better).

The dynamic viscosity is expressed as:

(1-exp(nu0*sstrnr/tau0))+((tau0/sstrnr)+K*sstrnr^(n-1))

where
nu0=1000 [Pa s] (viscosity at zero shear rate)

sstrnr=shear strain rate (min=0.001, max=1000) [s^-1]

tau0=8 [Pa] (yield stress)

n=0.30 (flow behavior index)

K=6 [Pa s^0.30] (consistency index)

I know CFX understands 'sstrnr', however, I do not know how to impose the limiting min, max condition.

Your suggestion are greatly appreciated

Titus