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Particle Trajectories and Segregation in a Two-Dimensional Rotating Drum
The size segregation phenomenon of granular materials in a two-dimensional rotating drum is simulated very efficiently using a simplified deterministic model. We demonstrate ergodicity in the sense that the statistical properties of a particle trajectory reflect the behaviour of the whole assembly. Segregation is shown to occur in a bidisperse system even if the radii of the particles are very similar (ratio as big as 0.9).doi:10.1209/0295-5075/27/3/006 fatcat:nigpqf6n2jaxpisccdpstjeici