数学物理学报 ›› 2005, Vol. 25 ›› Issue (2): 245-250.

• 论文 • 上一篇    下一篇

球Couette流的数值模拟

 王贺元, 丁素珍, 袭著有   

  1. 西安交通大学建力学院,辽宁工学院数理科学系
  • 出版日期:2005-04-25 发布日期:2005-04-25
  • 基金资助:

    国家基础研究专项基金(G199903280107)资助

Numerical Simulation of Spherical Couette Flow

 WANG He-Yuan, DING Su-Zhen, XI Chu-Wei   

  • Online:2005-04-25 Published:2005-04-25
  • Supported by:

    国家基础研究专项基金(G199903280107)资助

摘要:

该文利用谱方法对同心旋转球间轴对称Couette流进行数值模拟.给出Navier Stokes方程的流函数涡度形式,利用Stokes流把边界条件齐次化, 选取Stokes算子的特征函数做为逼近子空间的基函数,对同心旋转球间轴对称Couette流进行谱逼近

关键词: NavierStokes方程, 球Couette流, Stokes算子

Abstract:

In this paper, axisymmetric Couette flow between two c oncentric rotating spheres is simulated numerically by the spectral method. First, velocitystrea m function form of  the NavierStokes equations which homogeneous boundary condition is given by in troducing Stokes  flow. Second, by introducing eigenfunctions of Stokes operator as basis of fini te dimensional approximate subspaces,  and applying these to the spectral approximation of Couette flow, numerical exp eriment was carried out.   Finally, numerical result is presented. 

Key words: NavierStokes equations, Spherical Couette flow, Sto kes operator