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Updated: Jul 16, 2026

Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling
Published on: August 5, 2016
Effect of particle shape on the stress dip under a sandpile
I Zuriguel1, T Mullin, J M Rotter
1Manchester Centre for Nonlinear Dynamics, University of Manchester, Oxford Road, Manchester, M139PL, United Kingdom.
Abstract:
The results of an experimental investigation into the effects of particle shape on the stress dip formed under a 2D sandpile is reported. We find good agreement with previous results of a small dip for mixtures of disks poured from a localized source. The new finding is that the dip is significantly enhanced when elliptical particles are used. We attribute the amplification of the effect to orientational ordering induced by the shape of the grains which removes the degeneracy of circular particles.
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