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12. Influence of the Driving Velocity on the Local Velocity Distribution of Granular Gases.

Author

Yanpei Chen, Evesque, Pierre, and Meiying Hou

Subjects
GAS analysis, VELOCITY distribution (Statistical mechanics), GRANULAR materials, PHASE transitions, GAUSSIAN function, VIBRATION (Mechanics)
Abstract

An event driven molecular dynamics simulation of granular gases in a rectangle container in the high frequency boundary vibration limit is performed. The local velocity distribution spatial profiles under various vibration velocities are presented. Two peaks of local velocity distribution in the marginal layers are observed. To quantify the spatial transformation of the local velocity distribution, we fit the major peak by a Gaussian function( with the mean ξ and the standard deviation α). The results show that the fitting parameters of the major peaks, such as ξ and α, can be well scaled by the vibration velocity. [ABSTRACT FROM AUTHOR]

Published
2014
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