RNG k-e equation
I have some problem with my RNG k-e turbulence code. I have used RNG equations from user guide of FLUENT for low Reynolds effect. In the FLUENT user guide, just there is a differential equation for turbulence effective viscosity (low Re effect), When derived miu effective, this is as follow:
miu eff = miu[1 + sqrt(cmiu*density/miu)*k / sqrt(epsilon)]^2
There is no boundary condition in software help. I used epsilon(i,1)=2*k(I,2)/(Re*yp^2) for the epsilon quantity at the wall from low Reynolds models in literature. Please kindly advise me, how I can use boundary conditions and miu eff for RNG code.
yours , mahshid
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