On the Spectral Problems for the Discrete Boltzmann Models
Aq Kwang-Hua Chu, J. FANG Jing
Department of Mechanics and Engineering Science, Peking University, Beijing 100871
On the Spectral Problems for the Discrete Boltzmann Models
Aq Kwang-Hua Chu;J. FANG Jing
Department of Mechanics and Engineering Science, Peking University, Beijing 100871
关键词 ：
03.40.Kf ,
43.35.+d ,
47.45.-n ,
62.80.+f
Abstract ： The discrete Boltzmann models are used to study the spectral problems related to the one-dimensional plane wave propagation in monatomic gases which are fundamental in the nonequilibrium statistical thermodynamics. The results show that the 8-velocity model can only describe the propagation of the diffusion mode (entropy wave) in the intermediate Knudsen number regime. The 4- and 6-velocity models, instead, can describe the propagation of sound modes quite well, after comparison with the continuum-mechanical results.
Key words ：
03.40.Kf
43.35.+d
47.45.-n
62.80.+f
出版日期: 2000-03-01
引用本文:
Aq Kwang-Hua Chu;J. FANG Jing. On the Spectral Problems for the Discrete Boltzmann Models[J]. 中国物理快报, 2000, 17(3): 159-161.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2000/V17/I3/159
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2000, Vol. 17 
