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Noirhomme M, Ludewig F, Vandewalle N, et al. Cluster growth in driven granular gases. Phys Rev E. 2017;95(2):022905doi: 10.1103/PhysRevE.95.022905.
Noirhomme, M., Ludewig, F., Vandewalle, N., & Opsomer, E. (2017). Cluster growth in driven granular gases. Physical review. E, 95(2), 022905. https://doi.org/10.1103/PhysRevE.95.022905
Noirhomme, Martial, et al. "Cluster growth in driven granular gases." Physical review. E vol. 95,2 (2017): 022905. doi: https://doi.org/10.1103/PhysRevE.95.022905
Noirhomme M, Ludewig F, Vandewalle N, Opsomer E. Cluster growth in driven granular gases. Phys Rev E. 2017 Feb;95(2):022905. doi: 10.1103/PhysRevE.95.022905. Epub 2017 Feb 23. PMID: 28297928.
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Phys Rev E. 2017 Feb;95(2):022905. doi: 10.1103/PhysRevE.95.022905. Epub 2017 Feb 23.

Cluster growth in driven granular gases.

Physical review. E

Martial Noirhomme, François Ludewig, Nicolas Vandewalle, Eric Opsomer

Affiliations

  1. GRASP Laboratory, CESAM Research Unit, Physics Department, B5a, University of Liège, B-4000-Liège, Belgium.

PMID: 28297928 DOI: 10.1103/PhysRevE.95.022905

Abstract

We investigate numerically and theoretically the internal structures of a driven granular gas in cuboidal cell geometries. Clustering is reported and particles are classified as gaseous or clustered via a local packing fraction criterion based on a Voronoi tessellation. We observe that small clusters arise in the corners of the box, elucidating early reports of partial clustering. These aggregates have a condensation-like surface growth. When a critical size is reached, a structural transition occurs and all clusters merge together, leaving a hole in the center of the cell. This hole then becomes the new center of particle capture. Taking into account all structural modifications and defining a saturation packing fraction, we propose an empirical model for the cluster growth.

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