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zese March 27, 2022 04:29

RNG k-epsilon details
 
Hi every one

I am using RNG k-epsilon method for my simulation as it is good for swirling flows. In the description of the model, in Ansys manual, it says that eddy viscosity is modified by the following formula:

nu_t=nu_t0*f(\Omega, \alpha,k/\epsilon)

but I cant find the f formula. do you know what is its function?

BR

arjun March 27, 2022 05:37

I looked for it in the documents going back to version 5.5 and this particular detail is never mentioned. So it is one of those things we will never know.


Quote:

Originally Posted by zese (Post 824845)
Hi every one

I am using RNG k-epsilon method for my simulation as it is good for swirling flows. In the description of the model, in Ansys manual, it says that eddy viscosity is modified by the following formula:

nu_t=nu_t0*f(\Omega, \alpha,k/\epsilon)

but I cant find the f formula. do you know what is its function?

BR



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