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how to calculate reynolds stresses from SA turbulence simulation? |
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May 3, 2016, 00:39 |
how to calculate reynolds stresses from SA turbulence simulation?
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HUANG Junji
Join Date: Nov 2013
Posts: 4
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Hi everyone,
I am simulating a compressible flat plate using SA turbulence model, and other turbulence models. One of the results I would like to check is Reynolds stresses $\tau_{i,j}=2 \mu_{\tau} S_{ij}-2/3 \kappa \delta_{ij}$ $\kappa$ is the turbulent kinetic energy(TKE). From the fluent simulation, I can obtain all the velocity derivatives, and from k-based turbulence model I can also know $\kappa$. So I can calculate reynolds stress according to the formula. However, how can I do this from SA turbulence simulation since I don't know $\kappa$ from fluent? Last edited by hjj3118; May 3, 2016 at 00:40. Reason: How to type math symbols here? |
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