A roughness-dependent model
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(→Kinematic Eddy Viscosity) |
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==Kinematic Eddy Viscosity== | ==Kinematic Eddy Viscosity== | ||
| - | Two-equation model : | + | Two-equation model: |
| - | + | <math> | |
\nu _t = C_{\mu} {{k^2 } \over \varepsilon } | \nu _t = C_{\mu} {{k^2 } \over \varepsilon } | ||
</math> | </math> | ||
| - | where | + | where: <math> C_{\mu} = 0.09 </math> |
| - | One-equation model : | + | One-equation model: |
:<math> | :<math> | ||
| - | \nu _t = k^{{1 \over 2}} | + | \nu _t = l k^{{1 \over 2}} = {C_{\mu}}^{1/4} l_m k^{{1 \over 2}} |
</math> | </math> | ||
| + | |||
| + | Algebraic model: | ||
| + | k^{{1 \over 2}} = {1 \over {C_{\mu}}^{1/4}} | ||
Revision as of 14:31, 19 June 2007
Kinematic Eddy Viscosity
Two-equation model:
where: 
One-equation model:
Algebraic model: k^Template:1 \over 2 = {1 \over {C_{\mu}}^{1/4}}
