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divergence behaviour of interFoam solver for very fine mesh

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Old   June 23, 2010, 18:57
Default divergence behaviour of interFoam solver for very fine mesh
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Dear Foamer,

I am trying to simulate two phase flow through a nozzle with contraction ratio equal to 10. It is flow of some liquid like water, glycerine etc. into air medium. I am using interFoam solver to simulate this problem.

It works fine for relatively coarse mesh but starts to diverge at very fine mesh and divergence starts at liquid-air interface.

In the picture below You will see one fourth of geometry and expected velocity is about 30 m/s.
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File Type: jpg velocityMag.jpg (14.8 KB, 64 views)
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interfoam diverging

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