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A Langevin Description for Driven Granular Gases
Published online by Cambridge University Press: 18 July 2011
Abstract
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.
- Type
- Research Article
- Information
- Mathematical Modelling of Natural Phenomena , Volume 6 , Issue 4: Granular hydrodynamics , 2011 , pp. 87 - 117
- Copyright
- © EDP Sciences, 2011
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