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Mostrando ítems 12-17 de 17
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On and off dynamics of a creeping frictional system
(Springer, 2014)We report on the dynamics of a model frictional system submitted to minute external perturbations. The system consists of a chain of sliders connected through elastic springs that rest on an incline. By introducing cyclic ... -
Relevance of system size to the steady state properties of tapped granular systems
(American Physical Society, 2015)We investigate the steady-state packing fraction ϕ and force moment tensor Σ of quasi-two-dimensional granular columns subjected to tapping. Systems of different height h and width L are considered. We find that ϕ and Σ, ... -
Structure of force networks in tapped particulate systems of disks and pentagons I Clusters and loops
(American Physical Society, 2016)The force network of a granular assembly, defined by the contact network and the corresponding contact forces, carries valuable information about the state of the packing. Simple analysis of these networks based on the ... -
Structure of force networks in tapped particulate systems of disks and pentagons II Persistence analysis
(American Physical Society, 2016)In the companion paper [Pugnaloni et al., Phys. Rev. E 93, 062902 (2016)], we use classical measures based on force probability density functions (PDFs), as well as Betti numbers (quantifying the number of components, ... -
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 ... -
Wang Landau algorithm for entropic sampling of arch based microstates in the volume ensemble of static granular packings
(Papers in Physics, 2015)We implement the Wang-Landau algorithm to sample with equal probabilities the static configurations of a model granular system. The "non-interacting rigid arch model" used is based on the description of static configurations ...