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References for OpenFoam4.x k-epsilon model??

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Old   May 17, 2018, 12:01
Default References for OpenFoam4.x k-epsilon model??
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Sami
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Hello all,
I'm using OpenFoam v4 and modelling turbulence using k-epsilon model.
Checking the coded k-epsilon equations (https://github.com/OpenFOAM/OpenFOAM...lon/kEpsilon.C), I couldn't find any references in the literature similar to what is implemented.
The form implemented in OpenFoam v4 is different from those I could see on:
- Launder, B. E., & Spalding, D. B. (1974),
- El Tahry, S. H. (1983),
- Rusche H. (2002),
- Behzadi A., (2001 and 2004),
- and in https://www.cfd-online.com/Wiki/Stan...-epsilon_model
Do you have references regarding the OpenFoam v4 k-epsilon model?
Thank you for your help,
mhrz
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Old   May 17, 2018, 13:29
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Taher Chegini
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The official reference are mentioned here.
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Old   May 17, 2018, 13:43
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Thank you for your help.
I have checked these files and, unless I'm wrong, the equations implemented are the ones I'm showing in the attached image. Again, these equations don't correspond to the ones referenced in the file.
Thanks for your time and help.
mhrz
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File Type: png implemented_kEpsilon.png (29.6 KB, 14 views)

Last edited by Mehrez; May 17, 2018 at 13:56. Reason: typo
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Old   May 18, 2018, 14:20
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Plese share any useful references if you can.
Thank you,
mhrz
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Old   May 18, 2018, 19:12
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Taher Chegini
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k-epsilon implementation? (including volScalarField G)
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Old   May 22, 2018, 09:44
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Thank you for sharing the link.
The code has a little bit changed in version 4 but it's still very useful.
Do you know how source terms "kSource()" and "epsilonSource()" are implemented?
My understanding is that they are used for bubble induced turbulence in the case of two-phase dispersed flow.
Thank you.
mhrz
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