CONICET | Buscador de Institutos y Recursos Humanos

We present a complete analysis of the density distribution of particles in a two dimensional silo after discharge. Simulations through a pseudo-dynamic algorithm are performed for filling and subsequent discharge of a plane silo. Particles are monosized hard disks de-posited in the container and subjected to a tapping process for compaction. Then, a holeof a given size is open at the bottom of the silo and the discharge is triggered. After a clogging at the opening is produced, and equilibrium is restored, the nal distribution of the remaining particles at the silo is analyzed by dividing the space into cells with dierent geometrical arrangements to visualize the way in which the density depression near the opening is propagated throughout the system. The dierent behavior as a function of the compaction degree is discussed.

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