北京航空航天大学学报 ›› 2000, Vol. 26 ›› Issue (2): 190-193.

• 论文 • 上一篇    下一篇

二维非结构网格的生成及其Euler方程解

王平, 朱自强   

  1. 北京航空航天大学 飞行器设计与应用力学系
  • 收稿日期:1998-10-14 出版日期:2000-02-29 发布日期:2010-09-27
  • 作者简介:王平(1972-),男,江西宜春人,博士生,100083,北京.
  • 基金资助:

    博士点基金资助项目

Generation of the 2D Unstructured Grids and the Euler Solution on It

WANG Ping, ZHU Zi-qiang   

  1. Beijing University of Aeronautics and Astronautics,Dept. of Flight Vehicle Design and Applied Mechanics
  • Received:1998-10-14 Online:2000-02-29 Published:2010-09-27

摘要: 采用推进阵面法生成三角形非结构网格,用多重网格技术求解泊桑方程以取得结构背景网格.提出了一种高效的边界剖分法,并用它来生成初始阵面.另外,还提出了一种新颖的数据结构——数组链接表,用它来存贮网格数据.用有限体积法在非结构网格中求解了二维可压缩Euler方程,给出了单段翼型和多段翼型的算例,并与实验结果进行了比较和分析.

Abstract: Computational unstructured grid is generated by advancing front method, and the structured background gird is obtained by using multigrid technique to solve the Poisson equation. A new method of boundary discretization is presented for generating the initial fronts, and a novel data structure—Array Linked List is proposed to store the grid data. The Euler equations on unstructured grid are solved by cell-centered scheme of finite volume method. Numerical examples show that the correlation of the computational results with experimental data is favorable and the need of N-S equations solver is obvious for both case of airfoil in transonic flow and multi-element airfoil in subsonic flow.

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