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Compressible Flow - Fanno Flow.

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Old   July 5, 2018, 23:12
Post Compressible Flow - Fanno Flow.
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Rodrigo
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Hello everyone, I'm Rodrigo,
This is my first intervention in the forum.
I'm doing compressible flow simulations, Fanno flow with Ansys, and I need to do the same with OpenFoam software.
I really do not know what solver, or how to start using it, could you please help me?
Thank you very much.
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Old   July 6, 2018, 03:11
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Dan Vidal
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Hi Rodrigo,

I suggest you to look at the tutorials. If you have installed OF v5 properly you can directly type in your terminal "tut" and you are in:
"/opt/openfoam5/tutorials"

For your case I will start to study an incompressible steady state case (solver: "simpleFoam") like for example:
"/opt/openfoam5/tutorials/incompressible/simpleFoam/pitzDaily"

Afterwards you can study compressible steady state cases, because for you I guess "rhoSimpleFoam" is the solver you need.

Regards.
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Old   July 10, 2018, 19:59
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Rodrigo
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Thank you very much for your answer,

I started doing all the tutorials. I used the recommended solver, my biggest problem (in all my simulations with OpenFoam) is to correctly set the boundary conditions.

Please, I need a lot of help. Attached image of the case that I am trying to simulate.

Thank you.
Attached Images
File Type: jpg Pipe.jpg (26.5 KB, 16 views)
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