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May 7, 2005, 07:10 |
RANS equations
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#1 |
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Good morning
looking at the RANS eq pag 61 solver theory.... I can't understand why if we do a time average we can still see some time derivative in the equations. I suppose that even if I do this averaging, the variables are still time dependent but why? Moreover: why I can't see the density fluctuations in the equations? Is the density a mean value like the others variables ? Can anybody spend few words about the Rans equations? Thank you all Alex |
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