计算物理 ›› 1998, Vol. 15 ›› Issue (1): 1-5.

• 论文 •    下一篇

激波的格子玻尔兹曼方法模拟

聂小波   

  1. 北京应用物理与计算数学研究所, 计算物理实验室, 北京8009信箱 100088
  • 收稿日期:1996-03-29 修回日期:1997-03-17 出版日期:1998-01-25 发布日期:1998-01-25
  • 作者简介:聂小波,男,36,副研究员,硕士,北京8009信箱

SIMULATION OF SHOCK WAVE BY THE LATTICE-BOLTZMANN METHOD

Nie Xiaobo   

  1. Institute of Applied Physics and Computational Mathematics, Laboratory of Computational Physics, 100088
  • Received:1996-03-29 Revised:1997-03-17 Online:1998-01-25 Published:1998-01-25

摘要: 格子玻尔兹曼方法已被广泛应用于模拟流体,但主要应用于模拟不可压流体。应用二维正方格阵上的3速9点模型模拟激波的传播。考察了激波关系式、激波的宽度和结构。模拟结果与由Chapman-Enskog展开导出的流体方程的解相符。这说明格子玻尔兹曼方法能够模拟可压缩流体。

关键词: 激波, 格子玻尔兹曼方法, 模拟

Abstract: The lattice-Boltzmann method has been applied to simulate fluids.The most are incompressible fluids.This method is used to simulate the transform and regular reflection of shock waves with 3 speeds and 9 sits models on the square lattice.The simulation results is consistent with the results of the fluid equations derived by the Chapman-Enskog expansion.This shows that the lattice Boltzmann method can simulate compressible fluids.

Key words: shock wave, lattice-Boltzmann method, simulation

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