LES and modified pressure
Hello
I'm doing non-compressible turbulence calculations. In K-eps model, is solved a modified pressure p'=p+2/3.rho.k it is more or less commonly assumed that the second term is negligible, therefore this is what is proposed as "pressure" in post. In LES model, the modified pressure solved is p'=p-1/3.tau_kk. Questions are 1. is this the pressure proposed in cfx post ? 2. is it verified that the second term is negligible in any cases ? I couldn't find any explanation on this point in the CFX help. Thank you. |
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