航空学报 > 1997, Vol. 18 Issue (5): 531-534

翼-身-尾组合体的网格生成及 Euler 方程数值模拟

胡淑玲, 刘千刚   

  1. 西北工业大学飞机系, 西安, 710072
  • 收稿日期:1997-01-02 修回日期:1997-04-05 出版日期:1997-10-25 发布日期:1997-10-25

GRID GENERATION AND EULER SOLVER FOR WING BODY TAIL CONFIGURATION

Hu Shuling, Liu Qiangang   

  1. Department of Aircraft Engineering, Northwestern Ploytechnical University, Xi'an, 710072
  • Received:1997-01-02 Revised:1997-04-05 Online:1997-10-25 Published:1997-10-25

摘要:

采用代数方法快速生成翼-身-尾组合体三维O-C型贴体网格。该代数网格生成方法使用双边界法,可保证物面附近近似正交,真实地模拟了机身头部及与机翼、尾翼交界处的形状,提高了代数方法生成网格的质量。并用中心格式有限体积法求解跨声速Euler方程,以某翼-身-尾组合体模型为例,计算结果与实验符合良好。

关键词: 翼-身-尾组合体, 代数方法, 双边界法, 跨声速, Euler方程

Abstract:

Presented here is a computational procedure for generating a mesh system and solving the Euler equation for transonic flow around a wing body tail combination . In the first part, an algebraic procedure for the generation of boundary fitted grids about wing body tail configuration is presented. The two boundary technique based on the concept of transfinite interpolation is used. As an example, an O C type grid for a model of wing body tail configuration is generated. They are of good quality. Second, an explicit time marching finite volume procedure solves the flow equation. The numerical results are in good agreement with experimental data.

Key words: wing-body-tail configuration, algebraic grid generation, two-boundary technique, transonic flow, Euler equation

中图分类号: