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indicator factor to track the dispersion of the liquid

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Old   March 28, 2019, 04:45
Default indicator factor to track the dispersion of the liquid
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Dear All,

I am currently working on a quasi-multiphase Eulerian solver (so called Sigma-Y model) for primary spray atomization. This model uses two additional transport equations. One transport equation for the mean liquid mass fraction and one equation to model the small scale atomization through mean interface surface area density.

For the liquid mass fraction equation I want to implement an indicator function which is 1 for liquid and 0 for gas phase.

Could anyone of you please tell me how I could realise the implementation of an indicator function to track the dispersion of the liquid.

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