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Forum: Main CFD Forum

February 3, 2013, 14:05

Replies: 3

power spectrum

Views: 1,707

Posted By FMDenaro

What do you mean? wavenumbers and frequencies are...

What do you mean? wavenumbers and frequencies are linked, for example

k = n * 2*Pi /L

k : frequency (dimension 1/L)
n : wavenumber (integer)

the same resoning applies for the temporal...

Forum: Main CFD Forum

February 2, 2013, 18:11

Replies: 3

power spectrum

Views: 1,707

Posted By FMDenaro

Generally, you can interpret the...

Generally, you can interpret the frequency/wavenumber in which an energy peak appears, as a corresponding physical lenght by simply considering that k = 2pi*n/l

the k^-5/3 slope is theoretical,...

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