- **OpenFOAM Running, Solving & CFD**
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- - **InterFoam with air fraction compressible**
(*https://www.cfd-online.com/Forums/openfoam-solving/58907-interfoam-air-fraction-compressible.html*)

Hi,
I remembered there wereHi,
I remembered there were discussions about modeling air fraction as compressible fluid in interFoam-based solver. I am wondering if someone here has the chance to work on this type of solver? Pei |

Hi,
Did you get any help on the model. I am also trying to simulate similar problem. Thanks Lalit |

I haven't looked into it yet, but v2.2.0 has a compressibleInterFoam solver:
https://github.com/OpenFOAM/OpenFOAM...sibleInterFoam Let us know how you make out with it. |

Hello all,
I'm new to OF, have previously been using my own LES solver. Today I started an implementation in OF using the CompressibleInterFoam. It looks like it works reasonable, I'm trying to set up a mixing case (similar to the depth charge tutorial). Struggling to specify pressure and density simultaneously which should be possible for a compressible fluid - but I'm not sure I've changed it to a perfect gas - as I'm modifying the demo. Anyway, it looks like the depthcharge tutorial is set up for an approximate air-water interface (since the density ratio is 1000:1 and the sigma for s.t is ~72e-3). Hope you can get it working and if so I'd be keen to discuss. All the best, Mike |

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