Evolution of Percolating Force Chains in Compressed Granular Media

Raúl Cruz Hidalgo, Christian U. Grosse, Ferenc Kun, Hans W. Reinhardt, Hans J. Herrmann

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

The evolution of effective force chains percolating through a compressed granular system is investigated. We compressed an ensemble of spherical particles monitoring the macroscopic constitutive behavior and the acoustic signals emitted by microscopic rearrangements of particles. We applied the continuous damage model of fiber bundles to describe the evolution of the array of force chains. The model provides a nonlinear constitutive behavior in good quantitative agreement with the experimental results. The amplitude distribution of acoustic signals was found experimentally to follow a power law of an exponent [Formula presented], which is in good agreement with the analytic solution of the model.

Original languageEnglish
JournalPhysical review letters
Volume89
Issue number20
DOIs
Publication statusPublished - Jan 1 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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