'Flow and jam' of frictional athermal systems under shear stress (Articolo in rivista)

Type
Label
  • 'Flow and jam' of frictional athermal systems under shear stress (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1080/14786435.2010.540457 (literal)
Alternative label
  • Pastore, R; Ciamarra, MP; Coniglio, A (2011)
    'Flow and jam' of frictional athermal systems under shear stress
    in Philosophical magazine (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pastore, R; Ciamarra, MP; Coniglio, A (literal)
Pagina inizio
  • 2006 (literal)
Pagina fine
  • 2011 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 91 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • R. Pastore, SPIN-CNR M. Pica Ciamarra, SPIN-CNR A. Coniglio, SPIN-CNR (literal)
Titolo
  • 'Flow and jam' of frictional athermal systems under shear stress (literal)
Abstract
  • We report recent results of molecular dynamics simulations of frictional athermal particles at constant volume fraction and constant applied shear stress, focussing on a range of control parameters where the system first flows, but then jams after a time t jam. On decreasing the volume fraction, the mean jamming time diverges, while its sample fluctuations become so large that the jamming time probability distribution becomes a power law. We obtain an insight into the origin of this phenomenology focussing on the flowing regime, which is characterised by the presence of a clear correlation between the shear velocity and the mean number of contacts per particle Z, whereby small velocities occur when Z acquires higher values. (literal)
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