计算物理 ›› 2007, Vol. 24 ›› Issue (4): 433-438.

• 论文 • 上一篇    下一篇

新型快速多极边界元法求解电荷任意分布的二维静电场

何锃, 吕浚潮, 戴呈豪   

  1. 华中科技大学 力学系, 湖北 武汉 430074
  • 收稿日期:2006-04-12 修回日期:2007-01-18 出版日期:2007-07-25 发布日期:2007-07-25
  • 作者简介:何锃(1960-),男,浙江诸暨,教授,主要从事结构动力学及振动、噪声的分析与控制.

A Fast Multiple Boundary Element Method for Two-dimensional Electrostatic Field with Arbitrary Plane Charge Distribution

HE Zeng, LÜ Junchao, DAI Chenghao   

  1. School of Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China
  • Received:2006-04-12 Revised:2007-01-18 Online:2007-07-25 Published:2007-07-25

摘要: 在初始快速多极边界元法(FMM)基础上提出一种适合位势问题的新型快速多极边界元格式,并用于求解静电场问题.新型算法引入对角化概念,减少了形成局部展开系数的时间,提高计算效率.最后给出数值算例,证明了新型算法的计算精度及处理大规模问题的速度优势.

关键词: 静电场, 电位, 边界元法, 快速多极算法

Abstract: Based on the initial FMM,an FMM algorithm is proposed to solve electrostatic field problem.The algorithm introduces diagonalization to reduce time in forming local spread coefficient and enhance the computing efficiency.The computing speed and high precision of the algorithm in dealing with large-scale issue are shown with numerical examples.

Key words: electrostatic field, electric potential, boundary element method, fast multiple algorithm

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