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research article

Nonlocality in granular complex networks: Linking topology, kinematics and forces

Karapiperis, K.  
•
Andrade, J. E.
January 1, 2021
Extreme Mechanics Letters

Dry granular systems respond to shear by a process of self-organization that is nonlocal in nature. This study reveals the interplay between the topological, kinematical and force signature of this process during shear banding in an sample of angular sand. Using Level-Set Discrete Element simulations of an in-situ triaxial compression experiment, and complex networks techniques, we identify communities of similar topology (cycles), kinematics (vortex clusters) and kinetics (force chains), and study their cooperative evolution. We conclude by discussing the implications of our observations for continuum modeling, including the identification of mesoscale order parameters, and the development of nonaffine kinematics models.

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Type
research article
DOI
10.1016/j.eml.2020.101041
Scopus ID

2-s2.0-85095792074

Author(s)
Karapiperis, K.  

California Institute of Technology

Andrade, J. E.

California Institute of Technology Division of Engineering and Applied Science

Date Issued

2021-01-01

Published in
Extreme Mechanics Letters
Volume

42

Article Number

101041

Subjects

Complex networks

•

Granular materials

•

Nonlocality

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
Non-EPFL  
FunderFunding(s)Grant NumberGrant URL

Army Research Office

Available on Infoscience
November 12, 2025
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/255764
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