Standard k-epsilon model
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+ | == Production of k == | ||
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+ | <math> | ||
+ | P_k = - \rho \overline{u'_i u'_j} \frac{\partial u_j}{\partial x_i} | ||
+ | </math> | ||
+ | <br> | ||
+ | <math> P_k = \mu_t S^2 </math> | ||
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+ | Where <math> S </math> is the modulus of the mean rate-of-strain tensor, defined as : <br> | ||
+ | <math> | ||
+ | S \equiv \sqrt{2S_{ij} S_{ij}} | ||
+ | </math> | ||
Revision as of 00:21, 14 September 2005
Contents |
Transport Equation for standard k-epsilon model
For k
For dissipation
Modeling turbulent viscosity
Turbulent viscosity is modelled as:
Production of k
Where is the modulus of the mean rate-of-strain tensor, defined as :
Model Constants