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Forum: OpenFOAM

November 2, 2011, 03:28

Replies: 17

steady state version of twophaseeulerfoam

Views: 4,886

Posted By Aurelien Thinat

Hi Alberto, Sorry to ask you that on this...

Hi Alberto,

Sorry to ask you that on this thread.

I'm trying to add a source term for the dispersed phase equation in bubbleFoam (or twoPhaseEulerFoam) and I have a problem with my pressure...

Forum: OpenFOAM

October 27, 2011, 04:08

Replies: 17

steady state version of twophaseeulerfoam

Views: 4,886

Posted By Aurelien Thinat

I am talking about the "Max Ur Courant Number"....

I am talking about the "Max Ur Courant Number". The "Courant Number mean" value is 10 times less than the Ur based one (at least on my case).

Forum: OpenFOAM

October 26, 2011, 11:20

Replies: 17

steady state version of twophaseeulerfoam

Views: 4,886

Posted By Aurelien Thinat

Hi Alberto, I was looking at bubbleFoam and...

Hi Alberto,

I was looking at bubbleFoam and on the few tests I ran, I had to decrease the time step to keep the courant number under ~0,4.
With any higher value, I got some crashs : (

Aurélien

Forum: OpenFOAM

October 24, 2011, 09:25

Replies: 17

steady state version of twophaseeulerfoam

Views: 4,886

Posted By Aurelien Thinat

Hi Miles, Your time step will always be...

Hi Miles,

Your time step will always be bounded by the max courant number in your domain : the faster the bubbles are, the smaller your timestep will be (on a same mesh). You can try to change the...

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