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组合旋成体高超音速稀薄气体绕流的统计模拟

吴振宇,李凤林,林保真   

  1. 中国人民解放军89956部队 ;中国科学院计算中心 ;中国空间技术研究院
  • 出版日期:1981-02-20 发布日期:1981-02-20

吴振宇,李凤林,林保真. 组合旋成体高超音速稀薄气体绕流的统计模拟[J]. 数值计算与计算机应用, 1981, 2(2): 105-113.

STATISTICAL SIMULATION OF RAREFIED GAS HYPERSONIC FLOW PASSING COMBINATORIAL ROTATORY BODIES

  1. Wu Zhen-yu;Li Feng-lin;Lin Bao-zhen Department No. 89956 P. L. A. Computing Center, Academic Sinica The Chinese Academy of Space Technology
  • Online:1981-02-20 Published:1981-02-20
近年来,采用Monte-Carlo跟踪模拟法求解Boltzmann方程取得了很大的进展.计算实践表明,这是解决有关稀薄气体绕流问题行之有效的方法.中借助于Bird-Ta-kagi的思想,对二维稀薄气体绕流得到了好的数值结果.本文则在的基础上,进一步推广而建立了三维统计模拟模型.它具有很大的通用性,原则上可适用于解有攻角的任
On the basis of paper [1], we have established a three dimensional statistical simula-tion model which is universal in application. In principle, it could be applied to the solution of calculation for rarefied gasflow passing arbitrary combinatorial rotatory bodies with the attack angle. Sincemolecular-weight method, separate-set method and bird reduced callision model areadopted simulation efficiency is greatly raised. The related typical result we obtained byapplying this model, coincides with the preceding theoretical results and experimentaldata.
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[1] 李凤林等,稀薄气体旋成体绕流计算,计算数学,第三期,1978.
[2] G. A. Bird, Molecular gas dynamics, 1976.
[3] M. Takagi, University of Tokyo Report, No. 473, 1971.
[4] G. A. Bird, The Physics of fluid 13: 11(1971) .
[5] F. W. Vogenity, G. V. Takata ets NASA CR-115151 N71-36157; (1971) .
[6] 1960. ~~
[7] R. E. Geiger, AIAA Paper, 69-711, 1969.
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