Ponencia
Which reference state for a granular gas heated by the stochastic thermostat?
Autor/es | Maynar Blanco, Pablo
García de Soria Lucena, María Isabel Trizac, E. |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2012 |
Fecha de depósito | 2020-07-28 |
Publicado en |
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ISBN/ISSN | 0094-243X (impreso) 1551-7616 (electrónico) |
Resumen | We study the time evolution of the one-particle distribution function of a granular gas heated by the stochastic thermostat. It is found that, for a wide class of homogeneous initial conditions, memory of the initial ... We study the time evolution of the one-particle distribution function of a granular gas heated by the stochastic thermostat. It is found that, for a wide class of homogeneous initial conditions, memory of the initial conditions is rapidly erased and the system approaches the stationary state through a hydrodynamic state in which all the time dependence of the distribution function goes through the temperature. As a consequence, the simple one parameter scaling velocity distributions reported earlier in this context do not suffice, and a two parameter scaling is required.We find a very good agreement between the theoretical prediction and DSMC simulation results. |
Agencias financiadoras | Ministerio de Educación y Ciencia (MEC). España |
Identificador del proyecto | FIS2008-01339 |
Cita | Maynar Blanco, P., García de Soria Lucena, M.I. y Trizac, E. (2012). Which reference state for a granular gas heated by the stochastic thermostat?. En 28th International Symposium on Rarefied Gas Dynamics (RGD) (1009-1016), Zaragoza, (España): AIP Publishing. |
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