计算物理 ›› 1996, Vol. 13 ›› Issue (2): 253-256.

• 论文 • 上一篇    

柱面波在不规则目标上散射近场的有限元解法

杨吉生1, 谷晋骐1, 徐立军1, 杨光2, 刘义族3   

  1. 1. 天津大学, 天津 300072;
    2. 国家地震局工程力学研究所, 哈尔滨 150080;
    3. 天津师范专科学校, 天津 300202
  • 收稿日期:1994-10-20 修回日期:1996-01-11 出版日期:1996-06-25 发布日期:1996-06-25
  • 基金资助:
    中国科学院声场声信息国家重点实验室资助项目

FINITE ELEMENT METHOD FOR CYLINDRICAL WAVE SCATTERING FROM IRREGULAR OBJECTS

Yang Jisheng1, Gu Jinqi1, Xu Lijun1, Yang Guang2, Liu Yizu3   

  1. 1. Tianjin University, Tianjin 300072;
    2. Institute of Mechanics, Harbin 150080;
    3. Tianjin Educational Institute, Tianjin 300202
  • Received:1994-10-20 Revised:1996-01-11 Online:1996-06-25 Published:1996-06-25

摘要: 用有限元-人工透射边界法求出柱面波在无限长圆柱上的散射近场并与解析解进行比较,进而对几种不规则目标散射问题求解。

关键词: 有限元法, 人工透射边界, 不规则目标, 柱面波散射

Abstract: Based on finite element and artificial transmitting boundary method, the cylindrical wave scattering by infinite circular cylinder is computed and compared with analytical solution. Then other problems on scattering induced by irregular objects are also solved on use of the same method, whose superiority and efficiency have been indicated by numerical examples.

Key words: finite element, artificial transmitting boundary, irregular objects, cylindrical wave scattering

中图分类号: