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Type: Journal article
Title: A smoothed particle hydrodynamics framework for modelling multiphase interactions at meso-scale
Author: Li, L.
Shen, L.
Nguyen, G.
El-Zein, A.
Maggi, F.
Citation: Computational Mechanics, 2018; 62(5):1071-1085
Publisher: Springer
Issue Date: 2018
ISSN: 0178-7675
Statement of
Ling Li, Luming Shen, Giang D. Nguyen, Abbas El-Zein, Federico Maggi
Abstract: A smoothed particle hydrodynamics (SPH) framework is developed for modelling multiphase interactions at meso-scale, including the liquid–solid interaction induced deformation of the solid phase. With an inter-particle force formulation that mimics the inter-atomic force in molecular dynamics, the proposed framework includes the long-range attractions between particles, and more importantly, the short-range repulsive forces to avoid particle clustering and instability problems. Three-dimensional numerical studies have been conducted to demonstrate the capabilities of the proposed framework to quantitatively replicate the surface tension of water, to model the interactions between immiscible liquids and solid, and more importantly, to simultaneously model the deformation of solid and liquid induced by the multiphase interaction. By varying inter-particle potential magnitude, the proposed SPH framework has successfully simulated various wetting properties ranging from hydrophobic to hydrophilic surfaces. The simulation results demonstrate the potential of the proposed framework to genuinely study complex multiphase interactions in wet granular media.
Keywords: Smoothed particle hydrodynamics; surface tension; contact angle; inter-particle force; multiphase interaction
Rights: © Springer-Verlag GmbH Germany, part of Springer Nature 2018
DOI: 10.1007/s00466-018-1551-3
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