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Forum: Main CFD Forum June 5, 2012, 11:52
Replies: 12
Views: 1,716
Posted By FMDenaro
My opinion is that it exists much confusion in...

My opinion is that it exists much confusion in LES... physical modelling, mathematical filtering, numerical methods are not independent each other... for example, using implicit filtering both the...
Forum: Main CFD Forum June 5, 2012, 10:55
Replies: 12
Views: 1,716
Posted By FMDenaro
you can check the effect of the SGS model, I...

you can check the effect of the SGS model, I expect that the no-model simulation is stable but with possibly energy pile-up at the Nyquist frequency, that means you should see small vortical...
Forum: Main CFD Forum June 5, 2012, 10:26
Replies: 12
Views: 1,716
Posted By FMDenaro
Basing on my experience on LES I suggest: -...

Basing on my experience on LES I suggest:

- perform a simulation on the same grid without any SGS model (LES no-model), check the solution by means of statistics, then compare the statistic with...
Forum: Main CFD Forum June 1, 2012, 12:27
Replies: 12
Views: 1,716
Posted By FMDenaro
to assess if your simulation is correct you must...

to assess if your simulation is correct you must control the variables that are actually solved... the Q method does not say much....
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