A fast multipole boundary element method implemented for wet single particle and wall interactions

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@article{23e17ccf813d462489b3967e9c4ae1a6,
title = "A fast multipole boundary element method implemented for wet single particle and wall interactions",
abstract = "The progress is described in developing a parallel computer code to study the dynamics of wet granular systems based on the Fast Multi-pole Boundary Element Method (FMBEM). Here, three examples are considered that have closed-form or numerical solutions and thus able to act as benchmarks. They involved capillary interactions, the formation of a solid-solid contact when a particle approaches a solid wall while immersed in a Newtonian fluid, and the isoviscous hydrodynamic and elastohyrodynamic sliding of a particle. While computationally more expensive than DEM, there are a number of advantages such as extending interactions from the pendular to more saturated states, the ease with which non-spherical particles can be modelled and the ability to modelwet granular systems that may exhibit transitions from frictional to lubricated flow. Consequently, FMBEM is able to modelwet agglomeratesmore realistically than DEMand this is important for improving the performance of twin screw granulation, which is the intended application of the current work.",
keywords = "Wet granular media, Fast Multi-pole Boundary Element Method, Capillary, Lubrication",
author = "Michael Adams and James Andrews",
year = "2018",
month = mar,
day = "21",
doi = "https://doi.org/10.1016/j.powtec.2018.03.029",
language = "English",
journal = "Powder Technology",
issn = "0032-5910",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - A fast multipole boundary element method implemented for wet single particle and wall interactions

AU - Adams, Michael

AU - Andrews, James

PY - 2018/3/21

Y1 - 2018/3/21

N2 - The progress is described in developing a parallel computer code to study the dynamics of wet granular systems based on the Fast Multi-pole Boundary Element Method (FMBEM). Here, three examples are considered that have closed-form or numerical solutions and thus able to act as benchmarks. They involved capillary interactions, the formation of a solid-solid contact when a particle approaches a solid wall while immersed in a Newtonian fluid, and the isoviscous hydrodynamic and elastohyrodynamic sliding of a particle. While computationally more expensive than DEM, there are a number of advantages such as extending interactions from the pendular to more saturated states, the ease with which non-spherical particles can be modelled and the ability to modelwet granular systems that may exhibit transitions from frictional to lubricated flow. Consequently, FMBEM is able to modelwet agglomeratesmore realistically than DEMand this is important for improving the performance of twin screw granulation, which is the intended application of the current work.

AB - The progress is described in developing a parallel computer code to study the dynamics of wet granular systems based on the Fast Multi-pole Boundary Element Method (FMBEM). Here, three examples are considered that have closed-form or numerical solutions and thus able to act as benchmarks. They involved capillary interactions, the formation of a solid-solid contact when a particle approaches a solid wall while immersed in a Newtonian fluid, and the isoviscous hydrodynamic and elastohyrodynamic sliding of a particle. While computationally more expensive than DEM, there are a number of advantages such as extending interactions from the pendular to more saturated states, the ease with which non-spherical particles can be modelled and the ability to modelwet granular systems that may exhibit transitions from frictional to lubricated flow. Consequently, FMBEM is able to modelwet agglomeratesmore realistically than DEMand this is important for improving the performance of twin screw granulation, which is the intended application of the current work.

KW - Wet granular media

KW - Fast Multi-pole Boundary Element Method

KW - Capillary

KW - Lubrication

U2 - https://doi.org/10.1016/j.powtec.2018.03.029

DO - https://doi.org/10.1016/j.powtec.2018.03.029

M3 - Article

JO - Powder Technology

JF - Powder Technology

SN - 0032-5910

ER -