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Exact predictions from Edwards ensemble vs realistic simulations of tapped narrow two dimensional granular columns
(Journal of Statistical Mechanics: Theory and Experiment, 2013)
We simulate, via a discrete element method, the tapping of a narrow column of disks under gravity. For frictionless disks, this system has a simple analytical expression for the density of states in the Edwards volume ...
Contact network topology in tapped granular media
(American Physical Society, 2013)
We analyze the contact network of simulated two-dimensional granular packings in different states of mechanical equilibrium obtained by tapping. We show that topological descriptors of the contact network allow one to ...
Tapped granular packings described as complex networks
(Taylor and Francis, 2013)
We characterize the structure of simulated two-dimensional granular packings using con- cepts from complex networks theory. The packings are generated by a simulated tapping protocol, which allows us to obtain states in ...