Criticality and Scaling Relations in a Sheared Granular Material(General)
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概要
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We investigate a rheological property of a dense granular material under shear. By a numerical experiment of the system with constant volume, we find a critical volume fraction at which the shear stress and the pressure behave as power-law functions of the shear strain rate. We also present a simple scaling argument that determines the power-law exponents. Using these results, we interpret a power-law behavior observed in the system under constant pressure.
- 社団法人日本物理学会の論文
- 2007-02-15
著者
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SASA Shin-ichi
Department of Pure and Applied Sciences, The University of Tokyo
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HATANO Takahiro
Earthquake Research Institute, University of Tokyo
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OTSUKI Michio
Department of Physics and Mathematics, Aoyama Gakuin University
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Sasa Shin-ichi
Department Of Physics Kyoto University
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Otsuki Michio
Department Of Medicine Osaka University Graduate School Of Medicine
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Hatano Takahiro
Earthquake Research Institute University Of Tokyo
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SASA Shin-ichi
Department of Pure and Applied Sciences, University of Tokyo
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OTSUKI Michio
Department of Pure and Applied Sciences, University of Tokyo
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