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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: lucamirtanini

Forum: Main CFD Forum August 18, 2021, 16:28

Replies: 11 Taylor microscale from autocorrelation Views: 1,032 Posted By lucamirtanini I am running a LES. My mesh is coarse, but my... I am running a LES. My mesh is coarse, but my time step is short. So, maybe, the time taylor scal can be reliable, isn't it?

Forum: Main CFD Forum August 18, 2021, 13:41

Replies: 11 Taylor microscale from autocorrelation Views: 1,032 Posted By lucamirtanini If I compute the spatial autocorrelation, of data... If I compute the spatial autocorrelation, of data obtained through numerical calculation, I am afraid that the mesh can affect the estimation of the Taylor microscale if the mesh is coarse. I will...

Forum: Main CFD Forum August 18, 2021, 01:38

Replies: 11 Taylor microscale from autocorrelation Views: 1,032 Posted By lucamirtanini Ok. Thank you. If I do the autocorrelation of the... Ok. Thank you. If I do the autocorrelation of the time history, the taylor microscale is a space scale or a time scale?

Forum: Main CFD Forum August 17, 2021, 16:51

Replies: 11 Taylor microscale from autocorrelation Views: 1,032 Posted By lucamirtanini I did the autocorrelation in the time domain.... I did the autocorrelation in the time domain. Then I did the parabolic fitting of the autocorrelation, but the fitting curve is not tangent but secant, as shown in the figure. How can I fix this...

Forum: Main CFD Forum August 17, 2021, 10:58

Replies: 11 Taylor microscale from autocorrelation Views: 1,032 Posted By lucamirtanini Taylor microscale from autocorrelation Hi all, I would like to calculate the Taylor microscale. I am reading the Tennekes and Lumley textbook. It seems that it is possible to calculate this Taylor microscale starting from the...

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