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Forum: OpenFOAM Running, Solving & CFD

July 17, 2013, 17:38

Replies: 15

alpha1 grows unbounded in interDyMFoam

Views: 4,572

Posted By tayo

Hi Kshitij, you're probably solving interFoam...

Hi Kshitij, you're probably solving interFoam explicitly. See interPhaseChangeFoam for example on how to add Sp & Su terms and then solve implicitly. You're probably not doing any phase change for...

Forum: OpenFOAM Running, Solving & CFD

April 4, 2013, 03:42

Replies: 15

alpha1 grows unbounded in interDyMFoam

Views: 4,572

Posted By tayo

Hello all, I've been able to fix the issue....

Hello all,

I've been able to fix the issue. First of all, I discovered that the problem of unbounded alpha1 was not unique to interDyMFoam alone, it also blew up in interFoam. By the way, my flow...

Forum: OpenFOAM Running, Solving & CFD

April 1, 2013, 15:18

Replies: 15

alpha1 grows unbounded in interDyMFoam

Views: 4,572

Posted By tayo

Update! I noticed that I got worst void...

Update!
I noticed that I got worst void fraction results as I increased calpha and calpha = 0 had "best result" (instead of the reverse occuring). Upward schemes also made it worst as expected too....

Forum: OpenFOAM Running, Solving & CFD

March 27, 2013, 17:44

Replies: 15

alpha1 grows unbounded in interDyMFoam

Views: 4,572

Posted By tayo

Thanks Lieven, I've just tried upward scheme...

Thanks Lieven,

I've just tried upward scheme on div(phi,alpha) but it still grows unbounded, then, I tried vanLeer01 but same result. I'm currently using limitedVanLeer 0 1 but it's not looking...

Forum: OpenFOAM Running, Solving & CFD

March 27, 2013, 16:10

Replies: 15

alpha1 grows unbounded in interDyMFoam

Views: 4,572

Posted By tayo

Please I'm still waiting for response/ideas on...

Please I'm still waiting for response/ideas on how to keep alpha1 bounded using interDyMFoam. Thank you.

Forum: OpenFOAM Running, Solving & CFD

March 24, 2013, 22:08

Replies: 15

alpha1 grows unbounded in interDyMFoam

Views: 4,572

Posted By tayo

alpha1 grows unbounded in interDyMFoam

Hello all,

I'm running rising bubble case using interDyMFoam. The issue is that alpha1 blows up whenever I run with flow velocity i.e. maximum alpha1 grows unbounded beyond 1 and minimum alpha1...

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