期刊
PRAMANA-JOURNAL OF PHYSICS
卷 64, 期 6, 页码 893-902出版社
INDIAN ACAD SCIENCES
DOI: 10.1007/BF02704151
关键词
clustering; freely cooling granular gas; event-driven simulation; global equation of state; TC model; multi-particle contacts
The two most important phenomena at the basis of granular media are excluded volume and dissipation. The former is captured by the hard sphere model and is responsible for, e.g., crystallization, the latter leads to interesting structures like clusters in non-equilibrium dynamical, freely cooling states. The freely cooling system is examined concerning the energy decay and the cluster evolution in time. Corrections for crystallization and multi-particle contacts are provided, which become more and more important with increasing density.
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