energy spectrum using FFT -- CFD Online Discussion Forums

November 18, 2009, 03:16	energy spectrum using FFT	#1
kharnabnew Member khar nab Join Date: Sep 2009 Posts: 34 Rep Power: 16	Hi all, I would like to evaluate the energy spectrum in an LES simulation and the obtain the graphics E vs k showing the characteristic regions. how can we do that in Fluent; which variables to collect, in which regions of the computational domain, and what is the size of the sample required? Thanks

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