An improved MPS method for simulating multiphase flows characterized by high-density ratios and violent deformation of interface

Wu, Jinxin; Zhang, Gui-yong; Sun, Zhe; Yan, Haoran; Zhou, Bo

doi:10.1016/j.cma.2023.116103

Computer Methods in Applied Mechanics and Engineering

2023

DOI: 10.1016/j.cma.2023.116103

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An improved MPS method for simulating multiphase flows characterized by high-density ratios and violent deformation of interface

Jinxin Wu

Gui-yong Zhang

Zhe Sun

et al.

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Cited by 6 publications

References 75 publications

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Smoothed particle hydrodynamics modelling of multiphase flows: an overview

Pozorski,

Olejnik

2023

Acta Mech

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Smoothed particle hydrodynamics (SPH) is a meshless, particle-based approach that has been increasingly applied for modelling of various fluid-flow phenomena. Concerning multiphase flow computations, an advantage of the Lagrangian SPH over Eulerian approaches is that the advection step is straightforward. Consequently, the interphasial surface can be explicitly determined from the positions of particles representing different phases; therefore, there is no need for the interface reconstruction step. In this review paper, we briefly recall the basics of the SPH approach, and in particular the physical modelling and numerical implementation issues. We also mention the weaknesses of the approach and some remedies to overcome them. Then, we demonstrate the applicability of SPH to selected interfacial flow cases, including the liquid column break-up, gas–liquid flow regimes in a channel capturing the transitions between them and the wetting phenomena. Concerning the two-fluid modelling, it is illustrated with sediment transport in the presence of surface waves. Various other applications are briefly recalled from the rich and growing literature on the subject, followed by a tentative list of challenges in multiphase SPH.

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Smoothed particle hydrodynamics modelling of multiphase flows: an overview

Pozorski,

Olejnik

2023

Acta Mech

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Formulation of the method of fundamental solutions for two-phase Stokes flow

Rek,

Šarler

2024

Engineering Analysis with Boundary Elements

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Improved MPS models for simulating free surface flows

Shobeyri

2024

Mathematics and Computers in Simulation

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An improved MPS method for simulating multiphase flows characterized by high-density ratios and violent deformation of interface

Cited by 6 publications

References 75 publications

Smoothed particle hydrodynamics modelling of multiphase flows: an overview

Smoothed particle hydrodynamics modelling of multiphase flows: an overview

Formulation of the method of fundamental solutions for two-phase Stokes flow

Improved MPS models for simulating free surface flows

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