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Forum: Main CFD Forum

March 11, 2012, 14:14

Replies: 3

Energy spectrum to physical domain

Views: 1,008

Posted By FMDenaro

since your velocity field is v(x,t) = Sum_p,q,r...

since your velocity field is v(x,t) = Sum_p,q,r Cpqr(t) exp (i k .x ) you need to know the real and imaginary part of your Fourier coefficients

Forum: Main CFD Forum

March 9, 2012, 03:58

Replies: 3

Energy spectrum to physical domain

Views: 1,008

Posted By FMDenaro

is your spectrum derived from a temporal signal?...

is your spectrum derived from a temporal signal? In general, you can construct a velocity field in space with a prescribed spectrum, however you need to prescribe other condition in order to...

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