sets the turbulent specific dissipation rate based on the patch turbulence kinetic energy and user-supplied mixing length
\[ \omega_p = \frac{k^{0.5}}{C_{\mu}^{0.25} L} \]
in the event of reverse flow, a zero gradient condition is applied, i.e.
\[ \frac{d \omega}{d x} = 0 \]
The condition is specified in the field file using:
<patchName> { type turbulentMixingLengthFrequencyInlet; mixingLength 1; value <field value>; // Optional entries Cmu 0.09; k k; phi phi; }
Source code:
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