Irregular Oscillation of Bi-disperse Granular Gas in Cyclic Three Compartments
Sajjad Hussain Shah1,2, LI Yin-Chang2, CUI Fei-Fei1,2, ZHANG Qi2, Pierre Evesque3, HOU Mei-Ying1,2**
1Department of Physics, Beijing Institute of Technology, Beijing 100081 2Institute of Physics, Chinese Academy of Sciences, Beijing 100190 3Lab MSSMat, EcoleCentrale de Paris, 92295 Chatenay-Malabry, France
Irregular Oscillation of Bi-disperse Granular Gas in Cyclic Three Compartments
Sajjad Hussain Shah1,2, LI Yin-Chang2, CUI Fei-Fei1,2, ZHANG Qi2, Pierre Evesque3, HOU Mei-Ying1,2**
1Department of Physics, Beijing Institute of Technology, Beijing 100081 2Institute of Physics, Chinese Academy of Sciences, Beijing 100190 3Lab MSSMat, EcoleCentrale de Paris, 92295 Chatenay-Malabry, France
摘要A 3-D molecular dynamics simulation of a bi-disperse vibro-fluidized granular gas in a cyclic three-compartment cell is performed. A cluster of particles is randomly found in one of the compartments. Lohse's flux model is modified to incorporate inelastic particle-boundary collisions. This model predicts that periodically there is clustering in each compartment. It is then found that if the model is further modified to incorporate Gaussian white noise, it correctly predicts the non-sequential clustering behavior confirming that there is no chaotic behavior.
Abstract:A 3-D molecular dynamics simulation of a bi-disperse vibro-fluidized granular gas in a cyclic three-compartment cell is performed. A cluster of particles is randomly found in one of the compartments. Lohse's flux model is modified to incorporate inelastic particle-boundary collisions. This model predicts that periodically there is clustering in each compartment. It is then found that if the model is further modified to incorporate Gaussian white noise, it correctly predicts the non-sequential clustering behavior confirming that there is no chaotic behavior.
Sajjad Hussain Shah1,2, LI Yin-Chang2, CUI Fei-Fei1,2, ZHANG Qi2, Pierre Evesque3, HOU Mei-Ying1,2**. Irregular Oscillation of Bi-disperse Granular Gas in Cyclic Three Compartments[J]. 中国物理快报, 2012, 29(3): 34501-034501.
Sajjad Hussain Shah, LI Yin-Chang, CUI Fei-Fei, ZHANG Qi, Pierre Evesque, HOU Mei-Ying. Irregular Oscillation of Bi-disperse Granular Gas in Cyclic Three Compartments. Chin. Phys. Lett., 2012, 29(3): 34501-034501.
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