计算物理 ›› 1998, Vol. 15 ›› Issue (4): 476-482.

• 论文 • 上一篇    下一篇

FCT有限元法数值求解三维可压缩高速无粘流问题

蔡庆东1, 吴望一2   

  1. 1. 北京应用物理与计算数学研究所 计算物理实验室 100088;
    2. 北京大学力学与工程科学系 100871
  • 收稿日期:1997-03-04 修回日期:1998-01-12 出版日期:1998-07-25 发布日期:1998-07-25
  • 作者简介:蔡庆东,男,30,博士后,北京8009信箱26分箱

NUMERICAL SIMULATION OF THREE-DIMENSIONAL HYPERSONIC INVISCID FLOWS OVER SPACEVEHICLES WITH FCT FINITE ELEMENT METHOD

Cai Qingdong1, Wu Wangyi2   

  1. 1. Laboratory of Computational Physics, IAPCM, Beijing P. O. Box 8009, 100088;
    2. Department of Mechanics & Engineering Science, Peking University, Beijing 100871
  • Received:1997-03-04 Revised:1998-01-12 Online:1998-07-25 Published:1998-07-25

摘要: 从Euler方程出发,利用流量修正有限元法(FEM-FCT)求解三维无粘流动的高速流场。通过对圆球、简化航天飞机和双子星座飞船返回舱外形的数值模拟证明,这种方法对激波有较高的分辨能力,是一种有效的方法。

关键词: 计算流体动力学, 流量修正有限元法, Euler方程

Abstract: FEM-FCT is used to solve three-dimensional hypersonic inviscid flow.The flow fields around sphere,modified space shuttle orbiter and capsule type vehicle are gained on unstructured tetrahedron grids.The results show that the scheme is valid and has high resolution to shock waves.

Key words: computational fluid dynamics, FEM-FCT, Euler equations

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