I am dealing with an high Reynolds high Weber number incompressible two phase flow. My numerical model for this kind of flow is a simple VoF, so I have a transport equation for the liquid volume fraction $\alpha$: $$\frac{\partial\alpha}{\partial t}+\mathbf{u}\cdot\nabla\alpha=0$$ added to the Navier-Stokes equation system. How is it possible to calculate the interface area, without coupling the VoF method with the Level Set method (in this case would be a CLSVOF and would be easy thanks to the nature of the LS method) or adding any modelling for the interface area (like in ELSA method) and so using as only variable the liquid volume fraction marker and geometrical properties of the mesh. I widely searched in the available litterature and I did not find anything, so I would ask if anyone can provide me some references.


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