Zobrazeno 1 - 10
of 152
pro vyhledávání: '"Van Noije T"'
Publikováno v:
Phys. Rev. E 65, 011303 (2002).
We present a molecular dynamics and kinetic theory study of granular material, modeled by inelastic hard disks, fluidized by a random driving force. The focus is on collisional averages and short distance correlations in the non-equilibrium steady st
Externí odkaz:
http://arxiv.org/abs/cond-mat/0107570
Autor:
van Noije, T. P. C., Ernst, M. H.
A Cahn-Hilliard-type theory for hydrodynamic fluctuations is proposed that gives a quantitative description of the slowly evolving spatial correlations and structures in density and flow fields in the early stages of evolution of freely cooling granu
Externí odkaz:
http://arxiv.org/abs/cond-mat/9907012
Publikováno v:
Phys. Rev. E 59, 4326 (1999).
The nonequilibrium steady state of a granular fluid, driven by a random external force, is demonstrated to exhibit long range correlations, which behave as $\sim 1/r$ in three and $\sim \ln(L/r)$ in two dimensions. We calculate the corresponding stru
Externí odkaz:
http://arxiv.org/abs/cond-mat/9810251
Autor:
van Noije, T. P. C., Ernst, M. H.
We study the single particle velocity distribution for a granular fluid of inelastic hard spheres or disks, using the Enskog-Boltzmann equation, both for the homogeneous cooling of a freely evolving system and for the stationary state of a uniformly
Externí odkaz:
http://arxiv.org/abs/cond-mat/9803042
For a freely evolving granular fluid, the buildup of spatial correlations in density and flow field is described using fluctuating hydrodynamics. The theory for incompressible flows is extended to the general, compressible case, including longitudina
Externí odkaz:
http://arxiv.org/abs/cond-mat/9710102
Publikováno v:
Phys. Rev. Lett. 79, 411 1997
Using fluctuating hydrodynamics we describe the slow build-up of long range spatial correlations in a freely evolving fluid of inelastic hard spheres. In the incompressible limit, the behavior of spatial velocity correlations (including $r^{-d}$-beha
Externí odkaz:
http://arxiv.org/abs/cond-mat/9706079
Autor:
van Noije, T. P. C., Ernst, M. H.
The dynamics of inelastic hard spheres is described in terms of the binary collision expansion, yielding the corresponding pseudo-Liouville equation and BBGKY hierarchy for the reduced distribution functions. Based on cluster expansion techniques we
Externí odkaz:
http://arxiv.org/abs/cond-mat/9706020
Publikováno v:
Int. J. Mod. Phys. C 8, 953 1997
An initially homogeneous freely evolving fluid of inelastic hard spheres develops inhomogeneities in the flow field (vortices) and in the density field (clusters), driven by unstable fluctuations. Their spatial correlations, as measured in molecular
Externí odkaz:
http://arxiv.org/abs/cond-mat/9702029
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