Dynamics of Drag and Force Distributions for Projectile Impact in a Granular Medium (Articolo in rivista)

Type
Label
  • Dynamics of Drag and Force Distributions for Projectile Impact in a Granular Medium (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.92.194301 (literal)
Alternative label
  • M. Pica Ciamarra; A.H. Lara; A. T. Lee; D.I. Goldman; I. Vishik; H.L. Swinney (2004)
    Dynamics of Drag and Force Distributions for Projectile Impact in a Granular Medium
    in Physical review letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Pica Ciamarra; A.H. Lara; A. T. Lee; D.I. Goldman; I. Vishik; H.L. Swinney (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • SPIN-CNR & Univ. of Texas at Austin, USA (literal)
Titolo
  • Dynamics of Drag and Force Distributions for Projectile Impact in a Granular Medium (literal)
Abstract
  • Our experiments and molecular dynamics simulations on a projectile penetrating a two-dimensional granular medium reveal that the mean deceleration of the projectile is constant and proportional to the impact velocity. Thus, the time taken for a projectile to decelerate to a stop is independent of its impact velocity. The simulations show that the probability distribution function of forces on grains is time independent during a projectile's deceleration in the medium. At all times the force distribution function decreases exponentially for large forces. (literal)
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