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What information in written in phi

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Old   October 9, 2008, 09:47
Default Hello, I set up a case with
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Henning Wilhelmi
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I set up a case with icoFoam. There is no file "phi" in the folder 0.

After running icoFoam the time folders contain a "phi" file. The units indicate a flux. If that is the case, why is it done? I mean, I already have the information about U, so I don't see the need for it since it has the mesh sizes.

Thanks for your help

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Old   October 9, 2008, 14:03
Default Phi contains face fluxes. At t
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Francesco Del Citto
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Phi contains face fluxes. At the start of the simulation, if not found, any solver computes it interpolating cell values to the face.
If you want to restart a simulation, however, is better to keep it.

Hope this helps,
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