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February 5, 2020, 20:37 |
Dimension in the p-file
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#1 |
New Member
hiker
Join Date: Jan 2020
Posts: 2
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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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February 5, 2020, 21:17 |
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#2 |
Senior Member
Join Date: Aug 2015
Posts: 494
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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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February 6, 2020, 10:48 |
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#3 |
New Member
hiker
Join Date: Jan 2020
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Thanks a lot for the hint, Caelan!
Now I see the point. Hiker |
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Tags |
dimension, dimensional parameter, parameter, pressure, volscalarfield |
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