A New Method to Solve Electromagnetic Shielding Problems for a Thin Cylindrical Shell of Arbitrary Cross Section

LIU Bao-lin; WANG Ying-xue; MA Xin-shan

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A New Method to Solve Electromagnetic Shielding Problems for a Thin Cylindrical Shell of Arbitrary Cross Section

更新时间：2025-07-16

- A New Method to Solve Electromagnetic Shielding Problems for a Thin Cylindrical Shell of Arbitrary Cross Section
- Acta Electronica Sinica Vol. 29, Issue 6, Pages: 758-761(2001)
- 作者机构：
  
  1. 清华大学计算机与信息管理中心,北京,100084
  2. 清华大学电机工程与应用电子技术系,北京,100084
  3. 清华大学计算机与信息管理中心北京,100084
  4. 清华大学电机工程与应用电子技术系北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM154.3
- Published：2001
- 稿件说明：
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LIU Bao-lin, WANG Ying-xue, MA Xin-shan. A New Method to Solve Electromagnetic Shielding Problems for a Thin Cylindrical Shell of Arbitrary Cross Section[J]. Acta Electronica Sinica, 2001, 29(6): 758-761.
DOI：

LIU Bao-lin, WANG Ying-xue, MA Xin-shan. A New Method to Solve Electromagnetic Shielding Problems for a Thin Cylindrical Shell of Arbitrary Cross Section[J]. Acta Electronica Sinica, 2001, 29(6): 758-761. DOI：

摘要

本文给出了求解任意横截面柱形薄壳体电磁屏蔽问题的一种新方法.在平均边界条件的基础上

利用单层标量波函数法向量导数的间断性定理

得到了任意横截面柱形薄壳体电磁屏蔽问题的积分方程组.利用边界元法对该积分方程组进行了求解

通过与精确边界条件下的解比较

发现两种结果符合很好.本文中的方法简便易行

足可准确描述柱形薄壳体外两侧电磁场的分布情况.

Abstract

In this paper

a new method to solve the electromagnetic shielding problems of a thin cylindrical shell of arbitrary cross section is presented.On the basis of averaged boundary conditions

we use the theorem of discontinuity for the normal derivative of a single-layer scalar wave function.Integral equations of electromagnetic shielding for the thin cylindrical shell of arbitrary cross section are derived

and they are solved by using the method of boundary elements.Compared with the solution obtained by using precise boundary conditions

the method presented in this paper is very simple and convenient.The distribution of electromagnetic fields in the free space outside the shell can be calculated with satisfactory accuracy.

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