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-   -   POD (https://www.cfd-online.com/Forums/openfoam-post-processing/61397-pod.html)

magnus January 25, 2007 08:51

Hi, I am interested in doin
 
Hi,

I am interested in doing POD of my snapshots from my scalar/vector field results. Did anyone here implement an algorithm for this already that you want to share?? I have one already in fortran that is not compatible with OpenFOAM format so it would take some effort to rewrite it.

I think such a tool would be valuable in the OpenFOAM postproc toolkit http://www.cfd-online.com/OpenFOAM_D...part/happy.gif

thanks
/M

hjasak January 25, 2007 09:13

Have a look at my presentation
 
Have a look at my presentation at the US Navy Research labs:

http://www.foamcfd.org/resources/200..._13Nov2006.pdf

As you can see, the POD tools in OpenFOAM are working already: I am currently using POD-based data analysis on LES results (but there are several other things to be done with it as well). However, this is as yet unpublished work and a basis of some further developments close to my heart. My practice is not to release the code untli the poeple who did the work complete their publications and similar - this a very important part of the work.

If you have interest in a joint research project or similar please feel free to contact me.

Hrv

magnus January 26, 2007 11:26

Hi, Thanks for your answer!
 
Hi,

Thanks for your answer! I need to get the POD results as fast as I can, so I guess I will have to make an ugly solution of mapping the formats between the two codes (at least for now).

Regarding your presentation, I found your slide on aeroacoustics interesting (slide nr 9). Parts of my research is about evaluating acoustic fields, although I use an acoustic analogy (solving the wave equation). Would you care to expand on the method in your presentation a bit? I guess this tool is also not distributed right?

best regards!
/M

maka March 13, 2008 20:25

I wonder if the POD library is
 
I wonder if the POD library is availble at the moment. Thanks.

Best regards,
Maka.

maka April 18, 2008 09:10

I'm thinking to use POD as a w
 
I'm thinking to use POD as a way to compress the transient data. Any experience of how efficient is it in doing such job for wall bounded flows with separation. Thanks.

Best regards,
Maka.


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