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rieuk February 19, 2010 08:32

Pitching Wing simulation
Noob question:

I'm tasked with the turbulent flow simulation of a 2-D pitching flat plate (transient pitch up-down maneuver) - before I rack my brain with trying to get dynamic meshing working, is there a solver in OpenFOAM which will let me do this using an intertial reference frame???

Thanks for any advice...

rieuk February 20, 2010 09:05

Bump...any thoughts anyone?

josp February 22, 2010 04:57

Is it something like this you want to do?


rieuk February 23, 2010 00:48

thanks for the reply!

Hmm I don't have the OF1.5 extend version installed - is it the same as the OF1.5-dev? I have OF1.6 installed. Where can I get the version that you're using?

From the name of the tutorial case file I gather it might be quite what I need...however mine is a flat plate with rounded edges and not a block. But anyway, where can I get this version of OF because that tutorial isn't in 1.6.

However what I really wanted to know was whether there was a rotating reference frame solver that would do the job without having to deal with mesh motion. I know of MRFsimpleFoam but that is a steady state solver. Then, there is GGI but I don't know how to get that working and can't find any documentation on it.

elvis February 23, 2010 12:02

correct extend is the DEV-version

and you found out what Dev and Git(OF made by OpenCFD) distinguishes
Dev has more Tutorials and features like GGI, viscoelastic ...

when Hrv starts 1.6-dev these capabilaties will come to 1.6 but that is future.

rieuk March 21, 2010 04:12

For anyone reading this, I ended up getting it done by using the GGI feature in 1.5-dev which was quite easy in the end.

However I'm still interested in the non-inertial reference frame approach for a transient solution - just so that I can justify the approach to use GGI. Can anyone point me in the right direction for information on how one might apply this approach?

I can see how there might be some difficulty in handling the far-field boundary condition due to the rotation...

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