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Search: Posts Made By: santiagomarquezd
Forum: OpenFOAM Running, Solving & CFD April 20, 2011, 11:40
Replies: 22
Views: 5,961
Posted By santiagomarquezd
You have an inverted siphon, choosing 0 as p_rgh...

You have an inverted siphon, choosing 0 as p_rgh gives you an hydrostatic profile at the outlet. Nevertheless BC I suggested is true far from the outlet, because velocity isn't zero in this point. I...
Forum: OpenFOAM Running, Solving & CFD April 19, 2011, 18:09
Replies: 22
Views: 5,961
Posted By santiagomarquezd
Hmm, it depends on the FOAM version you're using,...

Hmm, it depends on the FOAM version you're using, in 1.6 (which is what I'm using) real pressure have to be used, so you have to set the hydrostatic profile at the outlet. In 1.5 and 1.7 things are...
Forum: OpenFOAM Running, Solving & CFD April 19, 2011, 11:04
Replies: 22
Views: 5,961
Posted By santiagomarquezd
Hi, could you please post a little sketch of your...

Hi, could you please post a little sketch of your problem?

Regards.
Forum: OpenFOAM Running, Solving & CFD April 14, 2011, 21:23
Replies: 22
Views: 5,961
Posted By santiagomarquezd
Aha, I checked the tutorials and things are as...

Aha, I checked the tutorials and things are as you indicated, thx for the ref. I was studying the influence of all other parameters but missed this one (really I didn't find much influence). It seems...
Forum: OpenFOAM Running, Solving & CFD April 14, 2011, 14:01
Replies: 22
Views: 5,961
Posted By santiagomarquezd
Alberto, is using alphaSubCycles > 0 mandatory...

Alberto, is using alphaSubCycles > 0 mandatory even when Co < 0.2 is assured from adjustTimeStep?. I've read that the sub cycling is needed when you want to use larger timesteps in momentum equation,...
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