Composite Scattering from an Arbitrary Dielectric Target above the Dielectric Rough Surface with FEM/PML

被引：5

作者：

Xu Run-Wen ^{[1
]}

Guo Li-Xin ^{[1
]}

Fan Tian-Qi ^{[1
]}

机构：

[1] Xidian Univ, Sch Sci, Xian 710071, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2013年 / 30卷 / 12期

基金：

高等学校博士学科点专项科研基金;

关键词：

ELECTROMAGNETIC SCATTERING; ABSORBER;

D O I：

10.1088/0256-307X/30/12/124101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A numerical approach of the finite element method is extended to study the scattering properties of an arbitrary dielectric target above the dielectric rough surface. For scattering in an open region, the artificial boundaries should be introduced to truncate the infinite computational domain. A perfectly matched layer (PML), as the artificial boundary of the finite-element-method (FEM) region, is employed to absorb the outward wave scattered from the model. The strategies of hybrid FEM/PML are presented with their validity evaluated by finite element/boundary integral method (FE/BIM), and then the scattering properties of the dielectric composite problem with different material permittivity are discussed in detail. Compared with the published works about FEM/PML, we extend the FEM/PML into the simulations of a dielectric target above the dielectric rough surface.

引用

页数：5

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