Butsuri
Online ISSN : 2423-8872
Print ISSN : 0029-0181
ISSN-L : 0029-0181
Turbulence—Extending, Involving
Granular Turbulence―Toward Bridging the Gap between Macroscopic and Microscopic Phenomena
Masaharu IsobeKuniyasu Saitoh
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2018 Volume 73 Issue 7 Pages 469-474

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Abstract

Recently, it has gradually been an interest for the granular community that the typical phenomena well-known in the fluid turbulence systems, such as vortex structure, cascade mechanism and the statistical law of the spatial spectra, were found in the study of typical granular systems. In this review, we focus on these topics from the viewpoint of how the dissipative multi-body dynamics system composed of elements affect the spatiotemporal structure of the macroscopic systems. We address the results of two typical prototype model systems with the novel methodology of molecular dynamics simulation, where the rarified granular gas system and dense granular jamming systems were studied. Finally, we would like to remark the future perspective.

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© 2018 The Physical Society of Japan
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