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Forum: FLUENT

August 23, 2010, 22:45

Replies: 3

Time Step in LES

Views: 2,395

Posted By davedong

hi, as i know, it's a rule in Smagorisky model....

hi,
as i know, it's a rule in Smagorisky model. the reciprocal of Re is equal to the small spacial scale divided by the velocity, in another word, the time step size.
10e-5 time step size is OK....

Forum: FLUENT

August 23, 2010, 04:51

Replies: 3

Time Step in LES

Views: 2,395

Posted By davedong

hi, generally speaking, the time step in les is...

hi,
generally speaking, the time step in les is the reciprocal of Re number.
i.e. if the Re number is 2000, the time step should be no more than 0.0005.

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