Onset of irreversibility in cyclic shear of granular packings

Steven Slotterback, Mitch Mailman, Krisztian Ronaszegi, Martin van Hecke, Michelle Girvan, and Wolfgang Losert
Phys. Rev. E 85, 021309 – Published 27 February 2012

Abstract

We investigate the onset of irreversibility in a dense granular medium subjected to cyclic shear in a split-bottom geometry. To probe the micro- and mesoscale, we image bead trajectories in three dimensions throughout a series of shear strain oscillations. Although beads lose and regain contact with neighbors during a cycle, the global topology of the contact network exhibits reversible properties for low oscillation amplitudes. With increasing reversal amplitude, a transition to an irreversible diffusive regime occurs.

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  • Received 23 September 2011

DOI:https://doi.org/10.1103/PhysRevE.85.021309

©2012 American Physical Society

Authors & Affiliations

Steven Slotterback1,*, Mitch Mailman1, Krisztian Ronaszegi1, Martin van Hecke2, Michelle Girvan1, and Wolfgang Losert1,†

  • 1Department of Physics, and IREAP, University of Maryland, College Park, Maryland 20742, USA
  • 2Kamerlingh Onnes Laboratory, Universiteit Leiden, P.O. Box 9504, NL-2300RA Leiden, The Netherlands

  • *scsumd@umd.edu
  • wlosert@umd.edu

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Issue

Vol. 85, Iss. 2 — February 2012

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