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Dimension in the p-file

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Old   February 5, 2020, 20:37
Question Dimension in the p-file
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Can anyone tell me why in the p(ressure)-files which can be found in the tutorial folders "0", the dimension has the form
[0 2 -2 0 0 0 0] (=m^2/s^2) ? Actually i suggested the form
[1 -1 -2 0 0 0 0] (=(kg/(m*s^2)) for Pa...
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Old   February 5, 2020, 21:17
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Pressure units depend on whether the solver is compressible (and the units are "real" pressure units) or incompressible (and the units are for "kinematic pressure, i.e. pressure/density). There are many threads on this topic -- see e.g. Pressure units in incompressible solvers or https://www.openfoam.com/documentati...-pressure.html.

Caelan
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Old   February 6, 2020, 10:48
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Thanks a lot for the hint, Caelan!
Now I see the point.



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