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Old   January 31, 2013, 23:45
Default Cloud Function Objects question?
  #1
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Jie
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Dear foamers

I just wonder whether anyone used the VoidFraction under the src/lagrangian/intermediate/submodels/CloudFunctionObjects?

I have a set of two phase flow data (bubble/fluid) with lagrangian tracking and I am trying to calculate the void fraction of the flow field.

I have put the followings in the kinematicCloudProperties:
Code:
cloudFunctions
{
   voidFraction;
}
However, I got the void fraction is zero everywhere in the kinematicCloudTheta:
Code:
dimensions      [0 0 0 0 0 0 0];

internalField   uniform 0;

boundaryField
{
    movingWall
    {
        type            calculated;
        value           uniform 0;
    }
    walls
    {
        type            calculated;
        value           uniform 0;
    }
}
I am not sure where I got it every. I really appreciate any advice suggested.

Last edited by jiejie; February 1, 2013 at 03:47. Reason: update on the problem
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Old   May 1, 2013, 07:57
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Håkon Strandenes
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I have the exact same issue as you, and cannot get it to work either. I have filed a bug report on it: http://www.openfoam.org/mantisbt/view.php?id=829
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