A Lattice Boltzmann model with random dynamical constraints, (Articolo in rivista)

Type
Label
  • A Lattice Boltzmann model with random dynamical constraints, (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1140/epjb/e2004-00187-8 (literal)
Alternative label
  • A. Lamura, S. Succi (2004)
    A Lattice Boltzmann model with random dynamical constraints,
    in European physical journal. B, Condensed matter and complex systems (Internet)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Lamura, S. Succi (literal)
Pagina inizio
  • 241 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 39 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IAC CNR Bari, IAC CNR (literal)
Titolo
  • A Lattice Boltzmann model with random dynamical constraints, (literal)
Abstract
  • In this paper we introduce a modified lattice Boltzmann model (LBM) with the capability of mimicking a fluid system with dynamic heterogeneities. The physical system is modeled as a one-dimensional fluid, interacting with finite-lifetime moving obstacles. Fluid motion is described by a lattice Boltzmann equation and obstacles are randomly distributed semi-permeable barriers which constrain the motion of the fluid particles. After a lifetime delay, obstacles move to new random positions. It is found that the non-linearly coupled dynamics of the fluid and obstacles produces heterogeneous patterns in fluid density and non-exponential relaxation of two-time autocorrelation function. (literal)
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