RNG-LES model
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(Difference between revisions)
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The function <math> H\left( x \right) </math> is defined as: <br> | The function <math> H\left( x \right) </math> is defined as: <br> | ||
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- | \end{matrix} | + | <math> |
- | </math> | + | H\left( x \right) = \left\{ |
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+ | \begin{matrix} | ||
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+ | {x } & { ; } & {x > 0} \\ | ||
+ | {0 } & { ; } & {x \le 0} \\ | ||
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+ | \end{matrix} | ||
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+ | \right. | ||
+ | </math> | ||
<br> | <br> | ||
- | x is given by <math> | + | '''x''' is given by <math> |
x = {{\mu _s \mu _{eff} } \over {\mu ^3 }} - C | x = {{\mu _s \mu _{eff} } \over {\mu ^3 }} - C | ||
</math> | </math> | ||
- | Where <math> {C = 100} </math> and <math>\mu _s </math> is given by: <br> | + | Where '''<math> {C = 100} </math>''' and '''<math>\mu _s </math>''' is given by: <br> |
:<math> | :<math> | ||
\mu _s = \rho \left[ {C_{rng}} Vol^{1/3} \right]^{2} \begin{vmatrix} S \end{vmatrix} | \mu _s = \rho \left[ {C_{rng}} Vol^{1/3} \right]^{2} \begin{vmatrix} S \end{vmatrix} | ||
</math> | </math> | ||
<br> | <br> | ||
- | Where <math> C_{rng} </math> is given by <br> | + | Where '''<math> C_{rng} </math>''' is given by <br> |
:<math> | :<math> | ||
{C_{rng} = 0.157} | {C_{rng} = 0.157} | ||
</math> | </math> |
Latest revision as of 06:27, 27 September 2005
Based on Renormalization Group Theory.
Here .
The function is defined as:
x is given by
Where and is given by:
Where is given by