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12.3.3 Modeling the Turbulent Viscosity

The turbulent viscosity, $\mu_t$, is computed from

 \mu_t = \rho \tilde{\nu} f_{v1} (12.3-2)

where the viscous damping function, $f_{v1}$, is given by
 f_{v1} = \frac{\chi^3}{\chi^3 + C_{v1}^3} (12.3-3)

and
 \chi \equiv \frac{\tilde{\nu}}{\nu} (12.3-4)


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