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- Roberto Arévalo, Iker Zuriguel, Diego Maza
- Physical review. E, Statistical, nonlinear, and…
- 2010

The jamming transition of an isotropically compressed granular packing is studied by means of molecular dynamics simulations. The system is shown to undergo a critical transition which is analyzed by… (More)

- Roberto Arévalo, Angel Garcimartín, Diego Maza
- The European physical journal. E, Soft matter
- 2007

The silo discharge process is studied by molecular dynamics simulations. The development of the velocity profile and the probability density function for the displacements in the horizontal and… (More)

- Roberto Arévalo, A. Garcimart́ın, Diego Maza
- 2007

We present molecular dynamics simulations of the beginning of a silo discharge by gravity. The evolution of the velocity profile and the probability density functions for the displacements of the… (More)

- Roberto Arévalo, Iker Zuriguel
- Soft matter
- 2016

By means of extensive numerical simulations we disclose the role of the driving force in the clogging of inert particles passing through a constriction. We uncover the effect of gravity and outlet… (More)

- Iker Zuriguel, Alvaro Janda, Angel Garcimartín, Celia Lozano, Roberto Arévalo, Diego Maza
- Physical review letters
- 2011

We present experimental results on the effect that inserting an obstacle just above the outlet of a silo has on the clogging process. We find that, if the obstacle position is properly selected, the… (More)

- Roberto Arévalo, Massimo Pica Ciamarra
- Soft matter
- 2014

The current microscopic picture of plasticity in amorphous materials assumes local failure events to produce displacement fields complying with linear elasticity. Indeed, the flow properties of… (More)

- Sergio Ardanza-Trevijano, Iker Zuriguel, Roberto Arévalo, Diego Maza
- Physical review. E, Statistical, nonlinear, and…
- 2014

We use the first Betti number of a complex to analyze the morphological structure of granular samples in mechanical equilibrium. We investigate two-dimensional granular packings after a tapping… (More)

- P. L. Gonthier, S. A. Story, B. M. Giacherio, Roberto Arévalo, Alice K Harding
- 2006

Our recent studies of pulsar population statistics suggest that improvements of radio and gamma-ray beam geometry and luminosity models require further refinement. The goal of this project is to… (More)

- Roberto Arévalo, Iker Zuriguel, Sergio Ardanza-Trevijano, Diego Maza
- I. J. Bifurcation and Chaos
- 2010

The existence of small order loops of contacts is presented as an intrinsic characteristic of force granular networks. Based on molecular dynamics simulations, it is proposed that the presence of… (More)

- Roberto Arévalo, Iker Zuriguel, Diego Maza
- I. J. Bifurcation and Chaos
- 2009

The force networks of different granular ensembles are defined and their topological properties studied using the tools of complex networks. In particular, for each set of grains compressed in a… (More)