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Forum: OpenFOAM Running, Solving & CFD

March 11, 2011, 00:29

Replies: 23

strange curvature with interFoam (comparison with Brackbill work)

Views: 9,350

Posted By gwierink

Hi guys, Nice video, Sebastian. Could it be...

Hi guys,

Nice video, Sebastian. Could it be the "atmospheric" BC that causes instabilities and movement? In some of my simulations with rising bubbles a lot of air can be "pulled in" from the top,...

Forum: OpenFOAM Running, Solving & CFD

March 10, 2011, 02:21

Replies: 23

strange curvature with interFoam (comparison with Brackbill work)

Views: 9,350

Posted By gwierink

Hi Duong, Your curvature calculation looks...

Hi Duong,

Your curvature calculation looks very good! Hmm, so there must be something else wrong. Just to check, I made a field where curvature kappa is calculated from sigmaK, i.e. kappa-bar =...

Forum: OpenFOAM Running, Solving & CFD

March 9, 2011, 08:00

Replies: 23

strange curvature with interFoam (comparison with Brackbill work)

Views: 9,350

Posted By gwierink

Hi Duong, Ite helps also to switch off...

Hi Duong,

Ite helps also to switch off dynamic time stepping, especially if you want to do the Brackbill test. Also, if you want to do comparison of the method with the Lapace solution with the...

Forum: OpenFOAM Running, Solving & CFD

March 9, 2011, 03:56

Replies: 23

strange curvature with interFoam (comparison with Brackbill work)

Views: 9,350

Posted By gwierink

Hi guys, I'm kind of in the same boat, or...

Hi guys,

I'm kind of in the same boat, or bubble actually.

I downloaded your case, Duong, many thanks for that! One thing that I noticed, when checking the transportProperties and the Brackbill...

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