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From Flow to Jamming: Lattice Gas Automaton Simulations in Granular Materials

2023/08/31 by Mohamed Gaber, Gaber, M., Raquel H. Ribeiro +3
Computer Science · Engineering · Physics and Astronomy · #Cellular Automata and Lattice Gases (nlin.CG) #FOS: Physical sciences #Lattice Boltzmann Simulation Studies #Random lasers and scattering media #Seismology and Earthquake Studies #Soft Condensed Matter (cond-mat.soft)

paper · pdf · doi:10.48550/arxiv.2309.00165

openalex publication_date 2023/08/31 · openalex created_date 2023/09/06 · openalex updated_date 2026/07/28

Abstract

We introduce the first extension of a Lattice Gas Automaton (LGA) model to accurately replicate observed emergent phenomena in granular materials with a special focus on previously unexplored jamming transitions by incorporating gravitational effects, energy dissipation in particle collisions, and wall friction. We successfully reproduce flow rate evolution, density wave formation, and jamming transition observed in experiments. We also explore the critical density at which jamming becomes probable. This research advances our understanding of granular dynamics and offers insights into the jamming behavior of granular materials.

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