GRANULAR FAILURE: THE ORIGIN OF EARTHQUAKES? (Articolo in rivista)

Type
Label
  • GRANULAR FAILURE: THE ORIGIN OF EARTHQUAKES? (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1142/S0217979209063699 (literal)
Alternative label
  • M. Pica Ciamarra; L. de Arcangelis; E. Lippiello; C. Godano (2009)
    GRANULAR FAILURE: THE ORIGIN OF EARTHQUAKES?
    in International journal of modern physics b
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Pica Ciamarra; L. de Arcangelis; E. Lippiello; C. Godano (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • M. Pica Ciamarra, SPIN-CNR L. de Aracangelis Department of Information Engineering, Second University of Naples, 81031 Aversa (CE), Italy E. Lippiello Department of Environmental Sciences, Second University of Naples, 81100 Caserta, Italy C. Godano Department of Environmental Sciences, Second University of Naples, 81100 Caserta, Italy (literal)
Titolo
  • GRANULAR FAILURE: THE ORIGIN OF EARTHQUAKES? (literal)
Abstract
  • Via Molecular Dynamics simulations, we investigate the stick-slip motion in a model of fault, where two surfaces subject to a constant confining pressure P, and enclosing granular particles, are subject a shear stress ?. When the system sticks, the stress increases with a constant rate , while the stress decreases when the system flow. We dermine the system 'phase diagram' in the pressure P load velocity plane, locating the transition form the continuos flow regime to the stick-slip regimes, and show that the transition between these two regimes is characterized by the presence of large fluctuations. In the stick-slip regime, the system reproduces the behaviour of a segment of a fault of fixed lenght. (literal)
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