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Forum: OpenFOAM Running, Solving & CFD May 16, 2012, 08:18
Replies: 14
Views: 5,624
Posted By Lydia
Hello Alberto, Thanks for the reference to...

Hello Alberto,

Thanks for the reference to Oliveira's paper! :)

It is now understandable for me that the solver has "problems" when alpha approaches 0.

Can I conclude from that, that it is...
Forum: OpenFOAM Running, Solving & CFD May 14, 2012, 07:34
Replies: 14
Views: 5,624
Posted By Lydia
cell values vs. cell-to-point values AND unexpected rising water level in closed box

Hello Alberto and all other interested Foamers,

being back at the office today, I just tested your modified case and found out that the modifications actually didn't make the difference.
The...
Forum: OpenFOAM Running, Solving & CFD May 12, 2012, 05:01
Replies: 14
Views: 5,624
Posted By Lydia
Hello Alberto, Thank you for your comments...

Hello Alberto,

Thank you for your comments and the attached pictures +case!

I didn't know that the definition of the bottom as a 'wall' instead of a 'patch' would make such a difference, since...
Forum: OpenFOAM Running, Solving & CFD May 11, 2012, 09:31
Replies: 14
Views: 5,624
Posted By Lydia
Exclamation modified bubble column (twoPhaseEulerFoam) shows similar unphysical behaviour

Hello again,

I just performed a few tests, where I modified the bubble column tutorial and I get similar results to my previous tests.

In the first test I set alpha to 0 in the whole domain. ...
Forum: OpenFOAM Running, Solving & CFD May 11, 2012, 05:36
Replies: 14
Views: 5,624
Posted By Lydia
correction: there is AIR in the box

Thanks Gerhard. You're correct with this:



But the results still don't make sense to me...? No matter if it's water or air in the box - I still would expect nothing to happen. Why do i get...
Forum: OpenFOAM Running, Solving & CFD May 11, 2012, 03:10
Replies: 14
Views: 5,624
Posted By Lydia
Post case-file

For a better understanding , I attached the 0/ system/ and constant/ folder.

Hoping that this gives a better insight into what I did, I'm looking forward to any hint about possible reasons for the...
Forum: OpenFOAM Running, Solving & CFD May 10, 2012, 05:51
Replies: 14
Views: 5,624
Posted By Lydia
Question twoPhaseEulerFoam - unphysical behaviour

Hello Foamers,

being fairly new to the twoPhaseEulerFoam solver I'm trying to simulate a simple box - closed on all sides and the bottom, open to atmosphere on top.
(Boundary conditions see...
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