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-   -   moving free surface with VOF (http://www.cfd-online.com/Forums/fluent/92809-moving-free-surface-vof.html)

alilouu September 26, 2011 05:18

moving free surface with VOF
 
hi;
I use the VOF to simulate a fluide with a free surface between two concentric cylinders, the inner is rotating, the outer is stationnary.

the problem is that I can't see the agitation ( the free surface shape) causing by the rotation and the radial .deformation of the inner cylinder.

what i have to do? any help please?

vmeertens September 28, 2011 05:22

Hi,

did you already try to make an ISO surface? Use "phases" and a value of 0.5 in the ISO surface menu.

The free surface will appear as a surface and is easy to visualize during the post processing (for example with contours -> phase).

m2montazari September 29, 2011 16:19

hi,
did you patch the volume fraction of water in domain and checked the phase contour before iterating?
after solution, what is the shape of phase contours?
yours,
Mohammad


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