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Journal of Applied Sciences
Year: 2008  |  Volume: 8  |  Issue: 21  |  Page No.: 3817 - 3826

Modeling Two-Phase Flows Using SPH Method

A. Valizadeh, M. Shafieefar, J.J. Monaghan and S.A.A. Salehi Neyshaboori    

Abstract: The basic equations governing the free surface flow of a fluid are considered and approximated by using a semi-compressible Smoothed Particle Hydrodynamics (SPH) method which is a grid-less Lagrangian approach. It is found that the standard SPH method, which has been successfully applied to simulate the transient free surface flows, could be used for simulation of multiphase flows with high density ratios, by doing a correction on mass of interface particles. The SPH modeling is shown to provide a promising tool to predict the two liquid characteristics of free surface flows. To show the validity of the present method numerical examples on bubble rising in a heavier fluid and luck-exchange flow are considered and a good agreement is observed.

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