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Evidence for intermittency in a granular medium: experiments and simulations.

Abstract : We present the first experimental demonstration of intermittency in a granular medium. The medium consists of magnets embedded within spheres. These spheres are placed in a horizontal Petri dish where they roll by virtue of an alternating, homogenous magnetic field. Due to collisions with the wall, clustering leads to self-organization into ring pieces circulating along the wall. The intermi ttent behaviour consists of an aperiodical alternation of this circular motion with a gaslike state extended over the entire dish. Molecular dynamic simulations agree with observations
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https://hal.inria.fr/hal-01183324
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Malte Schmick, Mario Markus. Evidence for intermittency in a granular medium: experiments and simulations.. Discrete Models for Complex Systems, DMCS'03, 2003, Lyon, France. pp.1-10. ⟨hal-01183324⟩

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