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Phase intensive momentum equation

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Old   April 27, 2015, 04:34
Default Phase intensive momentum equation
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Dongyue Li
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From Henry, we know that if we solve the generic two fluid equations like this:

we will have a numerical problem. So we need to filter out alpha in this equation by Phase Intensive Momentum technology, But what kind of problem?..

Because in OpenFOAM I saw twoPhaseEulerFoam is using Phase Intensive Momentum technology, but compressibleTwoPhaseEulerFoam does not use it. Also by my lots of tests, compressibleTwoPhaseEulerFoam is robuster then twoPhaseEulerFoam.
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Old   May 28, 2016, 12:52
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Cesar M. Venier
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OpenFOAM has abandoned the phase-intensive form since OF2.1 or 2.2 (i'm not sure). Regarding its limitations,

Hope it helps!
Cesar M. Venier, M.Eng.
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