Stress and Strain in Flat Piling of Disks (Condensed Matter : Structure, Mechanical and Thermal Properties)

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概要

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• We have created a flat piling of disks in a numerical experiment, using the Distinct Element Method (DEM), by depositing them under gravity. In the resulting pile, we then measured increments in stress and strain that were associated with a small decrease in gravity. We first describe the stress in terms of the strain using isotropic elasticity theory. Then, from a micro-mechanical view point, we calculate the relation between the stress and strain using the mean strain assumption. We compare the predicted values of Young's modulus and Poisson's ratio with those that were measured in the numerical experiment.

• 社団法人日本物理学会の論文
• 2004-04-15

著者

• Jenkins James

  Department Of Theoretical And Applied Mechanics Cornell University

• Jenkins James

  Department Of Mathematics Washington University

• INAGAKI Shio

  Department of Theoretical and Applied Mechanics, Cornell University

• Inagaki Shio

  Department Of Theoretical And Applied Mechanics Cornell University:(present Address)department Of Basic Science University Of Tokyo

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• Stress and Strain in Flat Piling of Disks (Condensed Matter : Structure, Mechanical and Thermal Properties)
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• On the existence of certain general extremal metrics II
• On the local behavior of certain homeomorphisms

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