Dynamics of Granular Matter

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Copyright (c) 1995 The Japan Society of Applied Physics
, , Citation Hisao Hayakawa et al 1995 Jpn. J. Appl. Phys. 34 397 DOI 10.1143/JJAP.34.397

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1 Department of Physics, Tohoku University, Sendai 980-77, Japan

2 Department of Physics, Ibaraki University, Mito 310, Japan

3 Department of Pure and Applied Science, University of Tokyo, Komaba, Meguro-ku, Tokyo 153, Japan

4 Department of Physics, Tokyo Institute of Technology, Oh-okayama, Meguro-ku, Tokyo 152, Japan

Dates

  1. Received 30 September 1994
  2. Accepted 19 November 1994

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Abstract

Granular matter is a typical example of a new topic in statistical (phenomenology) mechanics. Reconsidering granular matter from the physical point of view, several new aspects have been clarified, although granular matter has been studied by engineers for a long (period of) time. This review examines three topics: (1) pattern dynamics of sand ripples and dunes, (2) mathematical structure of a fluidized bed, and (3) convection and turbulence in a vibrating bed. Investigating these topics, it is found that the dynamics of granular matter exhibits many typical nonlinear phenomena, for example, formations of pattern, localized states, and turbulence.

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10.1143/JJAP.34.397