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Showing results 1 to 8 of 8 Search took 0.00 seconds. Search: Posts Made By: alberto

Forum: OpenFOAM Running, Solving & CFD January 2, 2013, 20:06

Replies: 17 twoPhaseEulerFoam - sudden enlargement of circular pipe validation case Views: 2,469 Posted By alberto I am not considering tetrahedral grids, because... I am not considering tetrahedral grids, because my geometry does not require them (it is a box with rectangular section!). I consider this test-case because it is the precursor for new model...

Forum: OpenFOAM Running, Solving & CFD January 2, 2013, 16:18

Replies: 17 twoPhaseEulerFoam - sudden enlargement of circular pipe validation case Views: 2,469 Posted By alberto There is a significant difference in the two... There is a significant difference in the two algorithms used to solve for alpha in twoPhaseEulerFoam before and after the introduction of MULES, which might explain the differences. I am running some...

Forum: OpenFOAM Running, Solving & CFD January 2, 2013, 12:22

Replies: 17 twoPhaseEulerFoam - sudden enlargement of circular pipe validation case Views: 2,469 Posted By alberto I ran the case you attached turning turbulence... I ran the case you attached turning turbulence off, just to see the effect, and segregation is much lower, as expected. Anyways, I am working on a validation case for...

Forum: OpenFOAM Running, Solving & CFD January 2, 2013, 11:50

Replies: 17 twoPhaseEulerFoam - sudden enlargement of circular pipe validation case Views: 2,469 Posted By alberto How did you decide the BC's for the turbulent... How did you decide the BC's for the turbulent quantities? They aren't provided in the article...

Forum: OpenFOAM Running, Solving & CFD December 26, 2012, 09:07

Replies: 17 twoPhaseEulerFoam - sudden enlargement of circular pipe validation case Views: 2,469 Posted By alberto I commented on the other thread. I commented on the other thread.

Forum: OpenFOAM Running, Solving & CFD December 26, 2012, 08:36

Replies: 17 twoPhaseEulerFoam - sudden enlargement of circular pipe validation case Views: 2,469 Posted By alberto I don't see problems in the setup of your case.... I don't see problems in the setup of your case. The accumulation of gas in the corner does not seem too different from Rusche's results (Fig. 3.3 c, page 131). It is possible you have less...

Forum: OpenFOAM Running, Solving & CFD December 24, 2012, 04:42

Replies: 17 twoPhaseEulerFoam - sudden enlargement of circular pipe validation case Views: 2,469 Posted By alberto The MULES version of twoPhaseEulerFoam should do... The MULES version of twoPhaseEulerFoam should do a much better job at ensuring that alpha is bounded, which is less robust in the old version. Maybe give it a try :-)

Forum: OpenFOAM Running, Solving & CFD December 23, 2012, 04:09

Replies: 17 twoPhaseEulerFoam - sudden enlargement of circular pipe validation case Views: 2,469 Posted By alberto Are you using the latest 2.1.x code with MULES? Are you using the latest 2.1.x code with MULES?

Showing results 1 to 8 of 8

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