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Converting p_rgh to gauge pressure using OpenFOAM

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Old   February 7, 2022, 00:06
Default Converting p_rgh to gauge pressure using OpenFOAM
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Siddhesh Pujari
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Hello everyone

I am trying to solve a sloshing case using OpenFOAM/interFoam solver.

After solving the problem, I am finding it difficult to validate my pressure data with an experimental pressure date. And I am not sure if I am getting gauge pressure from my solver, since, my solver is giving me p_rgh and p.


As from the attached image (the left graph is from the research paper and the right graph is from my simulation) you all can see, I am getting the same variations in the pressure cycle but there is a huge difference in the values of the pressure.

So I want to convert the pressure from solver into the gauge pressure.

Thanks to all.
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interfoam, sloshing tank 2d


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