Jamming and shear for granular materials


Conference Paper

This paper describes a series of experiments which have explored systems of frictional disks that have been prepared near jamming and then subjected to shear strain. A key observation is that below a density (described by packing fraction, ) of about J ≃ 0.84, it is possible to prepare stress-free states, and then by applying shear, traverse states that are fragile (highly anisotropic), shear jammed, and then increasingly isotropic. The anisotropy of these states is a dominante feature in the shear jamming process, which differs from the Liu-Nagel scenario. The evolution of these states suggests that an activated process in the context of a force (or stress) ensemble characterizes the stress evolution during cyclic strain. © 2013 AIP Publishing LLC.

Full Text

Cited Authors

  • Behringer, RP; Dijksman, J; Ren, J; Zhang, J; Majmudar, T; Chakraborty, B; Bi, D; Tordesillas, A

Published Date

  • August 1, 2013

Published In

Volume / Issue

  • 1542 /

Start / End Page

  • 12 - 19

Electronic International Standard Serial Number (EISSN)

  • 1551-7616

International Standard Serial Number (ISSN)

  • 0094-243X

International Standard Book Number 13 (ISBN-13)

  • 9780735411661

Digital Object Identifier (DOI)

  • 10.1063/1.4811860

Citation Source

  • Scopus