[Lilly]

Dear all,

I want to use a turbulence model at my simulation with a modell of a coronary artery, which is including bifurcations and stenosis.
I was looking for some publications and found a lot, but I am still not sure which is the best model to choose (k-omega SST, Transition SST, SAS or LES?) for this situation and how to proceed correct. Did I understand it right, that I have to perform a simulation and check y+ afterwards? I have a pulsatile flow and different flow conditions, so I guess y+ will be different for the single conditions and the single phases of the flow. Which one do I have to consider? And is it a probelm, if y+<1?
Has somebody experience with this problem and could give me some hints or some literature advice?
This would be really nice!
Thank you in advance!
Lilly