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Search: Posts Made By: alberto
Forum: OpenFOAM Running, Solving & CFD October 26, 2011, 11:14
Replies: 13
Views: 5,262
Posted By alberto
I do not think an Euler-Euler hydrodynamic model...

I do not think an Euler-Euler hydrodynamic model is the best choice for this kind of application (What is the average particle volume fraction?).

If what you want to simulate is simply the normal...
Forum: OpenFOAM Running, Solving & CFD October 11, 2011, 11:17
Replies: 13
Views: 5,262
Posted By alberto
Good Interesting. The two solvers...

Good



Interesting. The two solvers (bubbleFoam, twoPhaseEuler) share most of the algorithms. The major difference should be the hard-coded drag model.

Best,

Alberto
Forum: OpenFOAM Running, Solving & CFD October 8, 2011, 01:07
Replies: 13
Views: 5,262
Posted By alberto
Set - g0 to zero in ppProperties - set...

Set

- g0 to zero in ppProperties
- set kineticTheory to off in kineticTheoryProperties

You can refer to the bubbleColumn tutorial for a case without the particle pressure and without kinetic...
Forum: OpenFOAM Running, Solving & CFD September 30, 2011, 10:45
Replies: 13
Views: 5,262
Posted By alberto
No, if the kinetic theory is used, g0 must be set...

No, if the kinetic theory is used, g0 must be set to zero in ppProperties, and the particle pressure is accounted for elsewhere in the kinetic theory model.

Best,
Alberto
Forum: OpenFOAM Running, Solving & CFD January 22, 2008, 18:29
Replies: 13
Views: 5,262
Posted By alberto
Hello Michele, 1. The ppPro

Hello Michele,

1. The ppProperties contains the values of the parameters used when you switch the particle-force "model" on, setting g0 to a positive value. This means that you have an...
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