Implementing low Re number k-e models in Fluent.
I'm trying to implement low Re number k-e models various damping functions and boundary conditions through the use of UDFs. While the governing equations for low Re number models can be implemented with user defined source terms, I'm a little bit hazy about the boundary conditions, specifically on epsilon at the wall. My idea is to used DEFINE_ADJUST macro and somehow adjust epsilon at the wall before each iteration. I'd like to know if that should be enough or not. Also, what do I specify in fluent for wall treatment ? I'm thinking that it should be enhanced wall treatment, but won't that just use the two-layer model built into fluent ? Anyone who has done this before, please guide me.
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