A Langevin Description for Driven Granular Gases

被引：2
|
作者：
Maynar, P. [1 ]
Garcia de Soria, M. I. [1 ]
机构：
[1] Univ Seville, E-41080 Seville, Spain
来源：
MATHEMATICAL MODELLING OF NATURAL PHENOMENA | 2011年 / 6卷 / 04期
关键词：
kinetic theory; Boltzmann equation; granular gases; hydrodynamics; ENERGY FLUCTUATIONS; BOLTZMANN-EQUATION; DISSIPATIVE GASES; FLUID; SPHERES; STATE;
D O I：
10.1051/mmnp/20116405
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The study of the fluctuations in the steady state of a heated granular system is reviewed. A Boltzmann-Langevin description can be built requiring consistency with the equations for the one- and two-particle correlation functions. From the Boltzmann-Langevin equation, Langevin equations for the total energy and the transverse velocity field are derived. The existence of a fluctuation-dissipation relation for the transverse velocity field is also studied.
引用
收藏
页码：87 / 117
页数：31
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