Relaxation of granular gas under gravity

N.B. Loguinova; G.J.F. Heijst, van; P.P.J.M. Schram; S.A. Trigger; Y. Vlasov

doi:10.1016/S0378-4371(02)02035-6

Relaxation of granular gas under gravity

N.B. Loguinova, G.J.F. Heijst, van, P.P.J.M. Schram, S.A. Trigger, Y. Vlasov

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Abstract

The granular gas dynamics under gravity is investigated by means of numerical simulation for the case of elastic collisions. Damped oscillations in the process of evolution to equilibrium are found and considered in detail. The nature of the oscillations is the deviation of the position of the centre-of-mass of the system from the equilibrium one when the particles’ initial velocity distribution is isotropic. The influence of several parameters on the oscillation frequency and the damping rate are determined.

Original language	English
Pages (from-to)	155-170
Journal	Physica A. Statistical Mechanics and its Applications
Volume	323
DOIs	https://doi.org/10.1016/S0378-4371(02)02035-6
Publication status	Published - 2003

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10.1016/S0378-4371(02)02035-6

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title = "Relaxation of granular gas under gravity",

abstract = "The granular gas dynamics under gravity is investigated by means of numerical simulation for the case of elastic collisions. Damped oscillations in the process of evolution to equilibrium are found and considered in detail. The nature of the oscillations is the deviation of the position of the centre-of-mass of the system from the equilibrium one when the particles{\textquoteright} initial velocity distribution is isotropic. The influence of several parameters on the oscillation frequency and the damping rate are determined.",

author = "N.B. Loguinova and {Heijst, van}, G.J.F. and P.P.J.M. Schram and S.A. Trigger and Y. Vlasov",

year = "2003",

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T1 - Relaxation of granular gas under gravity

AU - Loguinova, N.B.

AU - Heijst, van, G.J.F.

AU - Schram, P.P.J.M.

AU - Trigger, S.A.

AU - Vlasov, Y.

PY - 2003

Y1 - 2003

N2 - The granular gas dynamics under gravity is investigated by means of numerical simulation for the case of elastic collisions. Damped oscillations in the process of evolution to equilibrium are found and considered in detail. The nature of the oscillations is the deviation of the position of the centre-of-mass of the system from the equilibrium one when the particles’ initial velocity distribution is isotropic. The influence of several parameters on the oscillation frequency and the damping rate are determined.

AB - The granular gas dynamics under gravity is investigated by means of numerical simulation for the case of elastic collisions. Damped oscillations in the process of evolution to equilibrium are found and considered in detail. The nature of the oscillations is the deviation of the position of the centre-of-mass of the system from the equilibrium one when the particles’ initial velocity distribution is isotropic. The influence of several parameters on the oscillation frequency and the damping rate are determined.

U2 - 10.1016/S0378-4371(02)02035-6

DO - 10.1016/S0378-4371(02)02035-6

M3 - Article

SN - 0378-4371

VL - 323

SP - 155

EP - 170

JO - Physica A. Statistical Mechanics and its Applications

JF - Physica A. Statistical Mechanics and its Applications

ER -

Relaxation of granular gas under gravity

Abstract

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