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August 28, 2014, 06:39 |
LES turbulence model
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#1 |
Member
Join Date: Aug 2011
Posts: 89
Rep Power: 14 |
Hello,
in OpenFOAM different LES turbulence models can be chosen. For example the "oneEqEddy", which is a -equation eddy-viscosity model. I just want to know how this model is working. Can anybody help me? It would be also very helpful to get literature, which describes this model. Thanks alot |
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August 28, 2014, 09:39 |
src/turbulenceModels/compressible/LES/oneEqEddy/oneEqEddy.H
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#2 |
Senior Member
Armin
Join Date: Feb 2011
Location: Helsinki, Finland
Posts: 156
Rep Power: 19 |
Well the source code gives already some clues:
Code:
src/turbulenceModels/compressible/LES/oneEqEddy/oneEqEddy.H src/turbulenceModels/compressible/LES/oneEqEddy/oneEqEddy.C http://www.cfd-online.com/Wiki/Kinet...id-scale_model http://www.cfd-online.com/Forums/ope...-openfoam.html |
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August 28, 2014, 09:46 |
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#3 | ||
Member
Join Date: Aug 2011
Posts: 89
Rep Power: 14 |
Hello again,
thanks for your help. I am sorry, I forget to mention I am looking at the incompressible turbulence model. After reading the source code, my question changed a little: In oneEqEddy.H the following equation for k is written: Quote:
If I look in the file oneEqEddy.C I found the following equation for k: Quote:
If I am right, where is then the first part of B (2/3*k*I) in the k-equation? Is this term necessary? thanks a lot for your help |
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