Granular Material Flowing Down an Inclined Chute: A Molecular Dynamics Simulation
Thorsten Poeschel
TL;DR
This paper uses 2D Molecular Dynamics simulations to model granular flow of spheres down an inclined chute, revealing layered fluidization and matching experimental flow characteristics.
Contribution
It introduces a detailed MD simulation model incorporating Hertzian contact and friction to study granular flow on inclined surfaces.
Findings
Flow exhibits layered fluidization profiles.
Simulation results qualitatively match experimental data.
Flow properties depend on particle interactions and friction.
Abstract
Two-dimensional Molecular Dynamics simulations are used to model the free surface flow of spheres falling down an inclined chute. The interaction between the particles in our model is assumed to be subjected to the Hertzian contact force and normal as well as shear friction. The stream of particles shows a characteristic height profile, consisting of layers of different types of fluidization. The numerically observed flow properties agree qualitatively with experimental results.
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