KINETIC-EQUATIONS FOR SMOOTH GRANULAR SYSTEMS - II - THE NONHOMOGENEOUS GAS

Authors
MORGADO WAM OPPENHEIM I
Citation
Wam. Morgado et I. Oppenheim, KINETIC-EQUATIONS FOR SMOOTH GRANULAR SYSTEMS - II - THE NONHOMOGENEOUS GAS, Physica. A, 252(3-4), 1998, pp. 308-324
Citations number
14
Categorie Soggetti
Physics
Journal title
Physica. A → ACNP
ISSN journal
03784371
Volume
252
Issue
3-4
Year of publication
1998
Pages
308 - 324
Database
ISI
SICI code
0378-4371(1998)252:3-4<308:KFSGS->2.0.ZU;2-O
Abstract
In the present work we derive hydrodynamic equations for the infinite, rarified, smooth, nonhomogeneous spherical granular gas. The long-tim e behavior of these equations is analyzed and we show that the diffusi ve modes become negligible compared to the propagating modes of the sy stem. This suggests that a mechanism of clustering is responsible for the relative freezing of the diffusive modes. (C) 1998 Elsevier Scienc e B.V. All rights reserved.