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Forum: Main CFD Forum

March 8, 2012, 20:24

Replies: 8

Energy spectra

Views: 3,076

Posted By ywang

Hi Sbaffini, Thanks very much. Finally, I...

Hi Sbaffini,

Thanks very much. Finally, I didn't compare my sepctra with those from Kim's paper. I just calculated the Komlogorov length scale eta, and plotted E_uu via k*eta.

Forum: Main CFD Forum

March 1, 2012, 14:39

Replies: 8

Energy spectra

Views: 3,076

Posted By ywang

Hi, Thanks very much. Yes, I am using the...

Hi,

Thanks very much. Yes, I am using the data from the same website as the reference. I am comparing the spectra at y+=5.

I am using Qtiplot to perform FFT and don't have Matlab now. I will...

Forum: Main CFD Forum

March 1, 2012, 14:04

Replies: 8

Energy spectra

Views: 3,076

Posted By ywang

Hi Sbaffini, Thanks for your reply. Yes, the...

Hi Sbaffini,

Thanks for your reply. Yes, the key point is to find out the way to normalize k_x and E_uu.

I think there should be some ones who have simulated the same flow in this forum, as...

Forum: Main CFD Forum

February 29, 2012, 19:27

Replies: 8

Energy spectra

Views: 3,076

Posted By ywang

Energy spectra

Hi, everyone

I have simulated turbulent channel flow with Re_tau=180. The mean velocity and stresses profiles agree with those in Kim, Moin and Moser's paper (JFM 1987, vol 177, pp 133-166). Now,...

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