Footprints in sand: The response of a granular material to local perturbations

Junfei Geng; D. Howell; E. Longhi; R. P. Behringer; G. Reydellet; L. Vanel; E. Clément; S. Luding

doi:10.1103/PhysRevLett.87.035506

Footprints in sand: The response of a granular material to local perturbations

Junfei Geng^*, D. Howell, E. Longhi, R. P. Behringer, G. Reydellet, L. Vanel, E. Clément, S. Luding

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

The forced response of granular packings to point forces was experimentally measured and compared to recent models for force propogation in a granular material. 2D granular arrays made of photoelastic particles were used for the modeling. Spatial ordering of the particles was found to be a key factor in the force response. The propogative component of ordered packings was found to dimnish with the degree of disorder.

Original language	English
Article number	035506
Pages (from-to)	355061-355064
Number of pages	4
Journal	Physical review letters
Volume	87
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevLett.87.035506
Publication status	Published - 16 Jul 2001
Externally published	Yes

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AU - Luding, S.

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Footprints in sand: The response of a granular material to local perturbations

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