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Forum: OpenFOAM Pre-Processing

September 2, 2019, 17:43

Replies: 6

An old story... the p_rgh field

Views: 1,124

Posted By jherb

I think, you want this: ...

I think, you want this:
https://cpp.openfoam.org/v4/classFoam_1_1prghPressureFvPatchScalarField.html#details

This boundary condition provides static pressure condition for p_rgh, calculated as:...

Forum: OpenFOAM Pre-Processing

September 2, 2019, 17:34

Replies: 6

An old story... the p_rgh field

Views: 1,124

Posted By jherb

Yes, both tanks should have the same reference...

Yes, both tanks should have the same reference point.

So if the heights are different, the boundary (fixed)Value should be different.

(I am not totally sure about the sign)

So for the...

Forum: OpenFOAM Pre-Processing

September 2, 2019, 15:33

Replies: 6

An old story... the p_rgh field

Views: 1,124

Posted By jherb

I think for your case, you have to set fixedValue...

I think for your case, you have to set fixedValue boundary conditions in your patches (1) and (2) with the value
p_atmosphere - rho(at position of boundary) * g * h_rel

h_rel is the hight...

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