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A differential equation for the flow rate during silo discharge Beyond the Beverloo rule
(EPJ Web of Conferences, 2017)We present a differential equation for the flow rate of granular materials during the discharge of a silo. This is based in the energy balance of the variable mass system in contrast with the traditional derivations based ... -
Arch based configurations in the volume ensemble of static granular systems
(Journal of Statistical Mechanics: Theory and Experiment, 2015)We propose an alternative approach to count the microscopic static configurations of granular packs under gravity by considering arches. This strategy obviates the problem of filtering out configurations that are not ... -
Effect of grain shape on the jamming of two dimensional silos
(EPJ Web of Conferences, 2017)We present discrete element method simulations of the discharge of silos in two dimensions. We study the effect of the grain shape on the clogging of small apertures, considering regular polygons and disks of equal mass. ... -
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 ...