Using Element Combination Technique in DDM for the Optimization of RCS L Zhi-qing1,AN Xiang2,HONG Wei1

L; Zhi-qing; AN Xiang

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Using Element Combination Technique in DDM for the Optimization of RCS L Zhi-qing¹,AN Xiang²,HONG Wei¹

更新时间：2025-07-16

- Using Element Combination Technique in DDM for the Optimization of RCS L Zhi-qing¹,AN Xiang²,HONG Wei¹
- Acta Electronica Sinica Vol. 33, Issue 12, Pages: 2254-2256(2005)
- 作者机构：
  
  1. 东南大学毫米波国家重点实验室,江苏,南京,210096
  2. 西安电子科技大学天线与微波技术国家重点实验室,陕西,西安,710071
  3. 东南大学毫米波国家重点实验室江苏南京,210096
  4. 西安电子科技大学天线与微波技术国家重点实验室陕西西安,710071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN011
- Published：2005
- 稿件说明：
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L, Zhi-qing, AN Xiang. Using Element Combination Technique in DDM for the Optimization of RCS L Zhi-qing¹,AN Xiang²,HONG Wei¹[J]. Acta Electronica Sinica, 2005, 33(12): 2254-2256.
DOI：

L, Zhi-qing, AN Xiang. Using Element Combination Technique in DDM for the Optimization of RCS L Zhi-qing¹,AN Xiang²,HONG Wei¹[J]. Acta Electronica Sinica, 2005, 33(12): 2254-2256. DOI：

摘要

研究了一种采用组合单元技术的区域分解算法

把原求解区域划分为若干个子区域

将每个子区域内部的场值映射到连接节点

通过求解连接节点的场值即可快速获得原问题的解

极大地减少了存储量和计算量

为计算复杂电磁散射问题提供了一种新的途径.这种区域分解算法特别适合于各种优化问题

例如

雷达散射截面的优化.数值算例验证了该方法的准确性和有效性.

Abstract

A domain decomposition method (DDM) using element combination technique is developed for solving electromagnetic scattering problems.Instead of communicating information through virtual boundary conditions just as the traditional DDM

the presented method maps the internal fields in each sub-domain onto the interface nodes

which results in a reduced matrix equation.The whole domain solution would be obtained trivially once the fields on the interface nodes are solved.Therefore the computational efficiency would be greatly improved and memory requirement is decreased dramatically.This method is very efficient for optimization problems

such as radar cross section optimization.The validity and computational efficiency have been verified by numerical examples.

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