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k-omega SST constants different bettwen openfoam and fluent? |
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August 26, 2021, 12:04 |
k-omega SST constants different bettwen openfoam and fluent?
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#1 |
Member
Nguyen Trong Hiep
Join Date: Aug 2018
Posts: 48
Rep Power: 7 |
hello guys,
i found a problem with k-omega SST tuburlence model. Here is k-omegaSST frome openFoam and nasa web page: https://www.openfoam.com/documentati...omega-sst.html https://turbmodels.larc.nasa.gov/sst.html And here is fluent constants: i am confusing with it. Can anyone help me explain it? |
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September 5, 2021, 09:05 |
k-omega SST constants different bettwen openfoam and fluent?
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#2 |
New Member
Stephan
Join Date: Aug 2017
Posts: 6
Rep Power: 8 |
Hi,
the major visible discrepancy is in the alpha vs. sigma coefficient values. But if you look at the code, sigma = 1/alpha. The remaining differences are round-off errors. -Hope this helps? Stephan |
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September 5, 2021, 22:24 |
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#3 |
Member
Nguyen Trong Hiep
Join Date: Aug 2018
Posts: 48
Rep Power: 7 |
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