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Whyman June 13, 2012 11:11

FSI solver for openFoam 1.6 ext
Hi everybody!!!

I'm trying to use the icoFsiFoam solver for openFoam 1.6 extended. I need to perform FSI problems.

The only thing is that i have a huge mesh and i need to run in parallel. Does anyone know how to compile icoFsiFoam in parallel?

Is there any similar solver for openFoam 1.70?

Please, help me!
Thank you


wyldckat June 13, 2012 16:47

Greetings Stefano,


Originally Posted by Whyman (Post 366267)
Does anyone know how to compile icoFsiFoam in parallel?

Compile? Do you mean run it in parallel?
Have you learned first how to run OpenFOAM solvers in parallel? If not, first check the User Guide: - well, you might want to start this tutorial from the beginning first:


Originally Posted by Whyman (Post 366267)
Is there any similar solver for openFoam 1.70?

Not that I know of. If I'm not mistaken, FSI usually requires FEM to solve the solid part... but I could be wrong.

Although, I very vaguely remember about something similar for the official OpenFOAM... but I can't remember what it was :(

Wait... I knew I had read something about this, but apparently I got it the way around:
edit: I forgot to mention that I re-found this particular thread by googling for "OpenFOAM FSI parallel"...

Good luck! Best regards,

rolix April 29, 2013 07:34

How to analysis FSI in OpenFoam?
I want to analysis FSI problem by openfoam but i dont know what do i do?please give me a sample to analysis a problem and learn that process.

wyldckat September 21, 2013 12:46

Greetings rolix,

Sorry, I didn't see your message back in April of this year :(
I got the private message you sent me, but I'll answer here, since this way others can find the answer useful as well.

AFAIK, FSI is currently only present in Extend's variant OpenFOAM 1.6-ext and isn't present in the official OpenFOAM 2.x series.
You can install 1.6-ext by following the instructions available here:

As for FSI tutorials, check the tutorial "stressAnalysis/icoFsiFoam/flappingConsoleSmall".

In addition, you might want to have a look into this thread (it's already a long thread, so you might want to read it all first):

Best regards,

wyldckat October 26, 2013 06:11

Hi rolix,

Since you decided to ask me in private once again, I decided to reply to you here instead ;)

As I wrote a month ago in the previous post, the solver icoFsiFoam is only present in 1.6-ext. And it is not compatible with OpenFOAM 2.0.1, because 1.6-ext is very different from 2.0.1.

Nonetheless, you can try Philip Cardiff's "solidMechanics" toolkit for OpenFOAM, as explained here: - post #69
You can find simpler instructions for OpenFOAM 2.0.x here:

Best regards,

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