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Forum: Main CFD Forum

April 12, 2009, 15:32

Replies: 107

Energy Spectrum !!!

Views: 50,063

Posted By stanking

thx harishg, this is my email : ...

thx harishg, this is my email : stanking1983@hotmail.com

I'm waiting for your code!!!

Forum: Main CFD Forum

April 10, 2009, 03:21

Replies: 107

Energy Spectrum !!!

Views: 50,063

Posted By stanking

thx ngrube, i have tried it. But the result is...

thx ngrube, i have tried it. But the result is not good!!
The curve has big oszillation.
Maybe can you check my code?

clc;
clear all;
close all;

Data = load('tg3dn');

Forum: Main CFD Forum

April 6, 2009, 21:56

Replies: 107

Energy Spectrum !!!

Views: 50,063

Posted By stanking

Someone can answer the last 3 questions???? ...

Someone can answer the last 3 questions????

we assume the following are right.

1. How can I calculate the k? k = sqrt(kx^2+ky^2), is right?

2. V(k) = sqrt(V_kx^2 + V_ky^2), is right??
...

Forum: Main CFD Forum

April 6, 2009, 06:04

Replies: 107

Energy Spectrum !!!

Views: 50,063

Posted By stanking

Sorry, I have searched all of the forum, but...

Sorry, I have searched all of the forum, but didn't find the article of your question about turbulent energy spectrum calculation. So can you give me a link? Or please explain the last 3 steps!
...

Forum: Main CFD Forum

April 6, 2009, 04:16

Replies: 107

Energy Spectrum !!!

Views: 50,063

Posted By stanking

Energy Spectrum !!!

I have a question about turbulent energy spectrum !!! Now I have the data of position and velocity at grid.

the data is like this:
X Y Vx Vy

I have already used FFT to transform Vx...

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