Search Results

Showing results 1 to 4 of 4
Search took 0.00 seconds. Search: Posts Made By: nikla

Forum: Main CFD Forum

May 5, 2019, 08:17

Replies: 7

Vortex shed frequency of an velocity array in MATLAB

Views: 1,902

Posted By nikla

Sorry I tought wrong, and plotted wrong. It...

Sorry I tought wrong, and plotted wrong.

It now cuts of at the nyquist limit 500hz.

%% Load test data
Ucell = {load('3d7.lvm') load('5d5.lvm') load('7d1.lvm')...
load('8d7.lvm')...

Forum: Main CFD Forum

May 5, 2019, 07:17

Replies: 7

Vortex shed frequency of an velocity array in MATLAB

Views: 1,902

Posted By nikla

Okey so I plotted this: loglog(PSDx{i})From:...

Okey so I plotted this:

loglog(PSDx{i})From:
%% Number of points
N = numel(Ucell{i}); % Lenght of signal

%% FFT
xdft{i} = real(fft(Ucell{i}));
xdft{i} =...

Forum: Main CFD Forum

May 5, 2019, 06:50

Replies: 7

Vortex shed frequency of an velocity array in MATLAB

Views: 1,902

Posted By nikla

Thanks for the reply! I am not currently...

Thanks for the reply!

I am not currently using a windowing technique, as I am unsure if its appropriate in this case.

When I should remove the zero-th wave number is this before or after...

Forum: Main CFD Forum

May 5, 2019, 04:39

Replies: 7

Vortex shed frequency of an velocity array in MATLAB

Views: 1,902

Posted By nikla

Vortex shed frequency of an velocity array in MATLAB

There was conducted ten different experiments, with ten different velocities in an air chamber where air at 25 degrees Celsius was blown at a cylinder of 20mm. The measurements were taken by a...

Showing results 1 to 4 of 4

Forum Jump

All times are GMT -4. The time now is 01:13.