Volume 75, Number 1, July 2006
|Page(s)||56 - 62|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||31 May 2006|
Velocity distributions in a freely evolving granular gas
School of Physical Sciences, Jawaharlal Nehru University - New Delhi, 110067, India
Accepted: 9 May 2006
We study freely evolving inelastic granular gases via molecular dynamics simulations in dimensions. This system initially loses energy or cools in a homogeneous cooling state (HCS). However, the granular gas is unstable to fluctuations in the velocity and density fields, and its asymptotic state is an inhomogeneous cooling state (ICS). We discuss the nature of velocity distributions in both the HCS and the ICS.
PACS: 45.70.-n – Granular systems / 45.70.Mg – Granular flows: mixing, segregation and stratification
© EDP Sciences, 2006
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