Sensitivity Analysis of Electromagnetic Scattering from Dielectric Targets with Polynomial Chaos Expansion and Method of Moments

被引：0
|
作者：
Ma, Yujing [1 ,4 ]
Wang, Zhongwang [2 ]
Zhang, Jieyuan [3 ]
Huo, Ruijin [1 ,4 ]
Yuan, Xiaohui [1 ,4 ]
机构：
[1] Xinyang Normal Univ, Coll Architecture & Civil Engn, Xinyang 464000, Peoples R China
[2] Huanghuai Univ, Coll Architecture & Civil Engn, Henan Int Joint Lab Struct Mech & Computat Simulat, Zhumadian 463000, Peoples R China
[3] Acad Mil Sci, Beijing 100091, Peoples R China
[4] Xinyang Normal Univ, Henan New Environmentally Friendly Civil Engn Mat, Xinyang 464000, Peoples R China
来源：
CMES-COMPUTER MODELING IN ENGINEERING & SCIENCES | 2024年 / 140卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Adaptive polynomial chaos expansion method; method of moments; radar cross section; electromagnetic scattering; HYBRID FINITE-ELEMENT; SHAPE OPTIMIZATION; TOPOLOGY OPTIMIZATION; OBJECTS;
D O I：
10.32604/cmes.2024.048488
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, an adaptive polynomial chaos expansion method (PCE) based on the method of moments (MoM) is proposed to construct surrogate models for electromagnetic scattering and further sensitivity analysis. The MoM is applied to accurately solve the electric field integral equation (EFIE) of electromagnetic scattering from homogeneous dielectric targets. Within the bistatic radar cross section (RCS) as the research object, the adaptive PCE algorithm is devoted to selecting the appropriate order to construct the multivariate surrogate model. The corresponding sensitivity results are given by the further derivative operation, which is compared with those of the finite difference method (FDM). Several examples are provided to demonstrate the effectiveness of the proposed algorithm for sensitivity analysis of electromagnetic scattering from homogeneous dielectric targets.
引用
收藏
页码：2079 / 2102
页数：24
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