I am urgently in need of a spectral DNS code for homogeneous statistically stationary turbulence, 2D and/or 3D.
I have a new theory for turbulent particle pair diffusion that replaces Richardson's 1926 famous theory which was based upon locality. I have submitted 2 papers recently to J. Fluid Mechanics (under review - available on my ResearchGate site, here).
Anyway, I have some ideas on how to test some of the critical assumptions in my new theory, but I need spectral codes in order to generate large inertial ranges.
I just need simple periodic boundary conditions; the code obviously needs to be suitable to mount on a parallel super-computer.
Are there any off the web or private codes available?
Dear Nadeem,
I suggest to you to contact CINECA (Italy, Bologna) http://www.cineca.it/.
There is also a huge database on Lagrangian particle dispersion. They used a pseudospectral method to solve the dynamics equations. You find in this webpage the relevant contacts that you may ask for materials. http://mp0806.cineca.it/icfd.php
Hope this help you a bit!
best!!
a
Thank you Abdallah. This is very helpful, and I am sure that I will make use of the database in due course. There is a good deal of interest in this field.
Nadeem
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