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Forum: OpenFOAM Running, Solving & CFD

July 4, 2010, 15:49

Replies: 8

p_rgh in VOF solvers in version 1.7

Views: 3,493

Posted By alberto

You can plot both (the code computes the actual p...

You can plot both (the code computes the actual p too), and this has nothing to do with the independence from the "height".

Forum: OpenFOAM Running, Solving & CFD

July 4, 2010, 13:14

Replies: 8

p_rgh in VOF solvers in version 1.7

Views: 3,493

Posted By alberto

Maybe share why you do not have to raise your...

Maybe share why you do not have to raise your domain. Others might find that useful ;-)

Forum: OpenFOAM Running, Solving & CFD

July 4, 2010, 12:52

Replies: 8

p_rgh in VOF solvers in version 1.7

Views: 3,493

Posted By alberto

Hardly a must, but a good addition for sure. Try...

Hardly a must, but a good addition for sure. Try to think to some extreme situation, with phase separation. Solving for p_rgh gives you the "hydrostatic balance" straight out of the pressure...

Forum: OpenFOAM Running, Solving & CFD

July 3, 2010, 02:35

Replies: 8

p_rgh in VOF solvers in version 1.7

Views: 3,493

Posted By alberto

The explanation of preferring p_rgh to p is...

The explanation of preferring p_rgh to p is numerical, not physical, and it is aimed at improving the robustness of the algorithm (force balance involving g and p).
The set of equations solved in...

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