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Buoyancy term in Spalart-Allmaras model

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Old   November 17, 2010, 08:41
Default Buoyancy term in Spalart-Allmaras model
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Nikolay Vinnichenko
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Has anybody seen an expression for turbulence production term by buoyancy in Spalart-Allmaras model? I know there is no such option in Fluent but in a Star-CCM tutorial there is a phrase that buoyancy (or other body force) term can be included. So, possibly, such extension exists, but I can't find it.
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