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Forum: OpenFOAM Running, Solving & CFD

June 24, 2011, 08:39

Replies: 35

p_rgh in OF 1.7

Views: 62,052

Posted By deniggo

Hello, thanks King, for the clearing...

Hello,
thanks King, for the clearing explanation.

To finish the pressure confusion: The postprocessing utility "ptot" calculates the total pressure (static + dynamic) for every time step:
...

Forum: OpenFOAM Running, Solving & CFD

October 6, 2010, 03:07

Replies: 35

p_rgh in OF 1.7

Views: 62,052

Posted By deniggo

Hi Kevin, but why p_rgh is higher than p?...

Hi Kevin,

but why p_rgh is higher than p? How a negative static pressure (rho*g*h) is possible?

Shouldn’t 1/2*rho*U^2 (dynamic pressure def.) leads to p_rgh? Post-Calculation of U-field does...

Forum: OpenFOAM Running, Solving & CFD

September 30, 2010, 06:22

Replies: 35

p_rgh in OF 1.7

Views: 62,052

Posted By deniggo

Hi Juho, p_rgh seems to be the dynamic...

Hi Juho,
p_rgh seems to be the dynamic pressure. I work with pimpleFoam and pisoFoam. Is it possible to adjust these codes to obtain p_rgh?

Thanks,

Nico

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