Volume 86, Number 4, May 2009
|Number of page(s)||6|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||28 May 2009|
The effect of particle shape on the marginal rigidity state in 2D granular media
Laboratory GeM, Université de Nantes, CNRS - BP 420, 44606 Saint-Nazaire Cedex, France, EU
2 Manchester Centre for Nonlinear Dynamics, University of Manchester - Oxford Road, Manchester, M13 9PL, UK, EU
Corresponding author: firstname.lastname@example.org
Accepted: 28 April 2009
Experimental results from an investigation of the assembly of two-dimensional granular piles are presented. Three different particle shapes were used in the investigation of the evolution of piles towards isostatic and isotropic granular assemblies. Good agreement is found with previous experimental results for all particle shapes. We attempt to classify the divergence of a characteristic length-scale of the system as a power law and provide an estimate of the critical exponent. We find that the results are independent of particle shapes and speculate this may be a general feature of two-dimensional convex particles.
PACS: 45.70.-n – Granular systems / 45.50.-j – Dynamics and kinematics of a particle and a system of particles
© EPLA, 2009
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