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Forum: Main CFD Forum

October 2, 2020, 07:15

Replies: 10

Reagrding autocorrelation

Views: 1,185

Posted By ari003

This one is my original series : This...

This one is my original series :

This one is after deducting the mean value which is 10.445

I m using both MATLAB and Python.
When I plot both in Python I got the same...

Forum: Main CFD Forum

October 2, 2020, 05:33

Replies: 10

Reagrding autocorrelation

Views: 1,185

Posted By ari003

Yaa that s what I did and shared in my previous...

Yaa that s what I did and shared in my previous comment. Thanks a lot for your valuable time.

Forum: Main CFD Forum

October 2, 2020, 05:25

Replies: 10

Reagrding autocorrelation

Views: 1,185

Posted By ari003

Lets say If the 2nd series represents...

Lets say

If the 2nd series represents U(t)-U(mean) then we should proceed with the autocorrelation with the 2nd series right?
But I just plotted the thing in python just now both gave the same...

Forum: Main CFD Forum

October 2, 2020, 04:44

Replies: 10

Reagrding autocorrelation

Views: 1,185

Posted By ari003

Thank you for your response. Then the value of...

Thank you for your response. Then the value of negetive makes sense if it is substracted out of mean but in the formula of turbulence autocorrelation where should I use that mean tern to substract?
...

Forum: Main CFD Forum

October 1, 2020, 09:53

Replies: 10

Reagrding autocorrelation

Views: 1,185

Posted By ari003

Reagrding autocorrelation

To have a proper understanding I started with a short dataframe where the 2nd column represensts velocity at different time-step collected from a probe (for example). And I m trying to plot the...

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