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This article presents results of further investigation of the problem ofspurious interface fragmentation in the multiphase SPH. In order to removearising instabilities, many authors introduced the artificial interfacecorrection procedure. In the present paper we show that the interfaceinstabilities are physical and the introduction of the interface correctionprocedure may leads to non-physical solutions. We also explain the puzzlingrelation between the parameters $\varepsilon$ and $h$. The analysis isperformed on the basis of the stability analysis and numerical calculationsusing SPH and Volume Of Fluid (VOF) approach.

Further investigation of the spurious interface fragmentation in multiphase Smoothed Particle Hydrodynamics