Methodology for turbulence model sensitivity
In my research (buoyant air flow in rooms with cold inlet air) I see that the influence of turbulence models is rather large (more important than the mesh sensitivity). I used standard k-e, RNG k-e, realizable k-e and SST k-w.
I do not have validation data available, so have to try to explain the differences by analyzing the theoretical background of the models. I am reading literature and studying the theory, but would still like some help on how to start with analyzing my results.
I would start like this:
I realize this is very difficult, but I think here the experience from long-time users is very valuable.
Thanks for your input!
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