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Zero Production of k

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Old   December 10, 2020, 17:19
Lightbulb Zero Production of k
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Oguzhan
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Hi all,

I've recently noticed something odd in Fluent. I plotted "Production of k" under Turbulence tab, and it was zero everywhere.

I created a custom field function for production of k as Fluent Theory Guided suggests for k-w SST ( Gk = mu_t*S*S ), as expected, it yielded realistic results.

However, I need to figure out why Fluent is plotting zero for Gk (I checked some other simulations, its all zero on them too).

Any help is much appreciated.

Thanks.
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production term, source term, tke, turbulent kinetic energy

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