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-   -   turbulent kinetic energy in 2D k-e model (http://www.cfd-online.com/Forums/fluent/43549-turbulent-kinetic-energy-2d-k-e-model.html)

ph January 30, 2007 23:11

turbulent kinetic energy in 2D k-e model
 
Dear All,

I have a problem about the turbulent kinetic energy in 2D k-e model.

I would like to ask when considering 2D cases, the turbulent kinetic energy is ((u')^2+(v')^2)/2 or ((u')^2+(v')^2+(w')^2)/2 ?

Thanks, pH

Pablo January 31, 2007 09:55

Re: turbulent kinetic energy in 2D k-e model
 
turbulent kinetic energy is just the trace of the reynolds stress tensor so sould be, ((u')^2+(v')^2)/2



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