| 复杂媒质电磁散射特性的有限元—边界元方法分析 |
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| 引用本文： | 樊振宏,朱剑,曾海平,陈如山.复杂媒质电磁散射特性的有限元—边界元方法分析[J].电波科学学报,2009,24(3). |
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| 作者姓名： | 樊振宏 朱剑 曾海平 陈如山 |
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| 作者单位： | 南京理工大学电子工程与光电技术学院,江苏,南京,810094 |
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| 基金项目： | 国家自然科学基金，江苏省自然科学基金-创新学者攀登项目，中国博士后科学基金，南京理工大学首批百名优秀教师培养计划 |
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| 摘 要： | 通过有限元-边界元方法分析具有复杂媒质特性目标的电磁散射特性,如各向异性、双各向同性、双各向异性等.该混合方法能够利用有限元灵活地处理散射体内部的复杂材料,利用边界积分方法分析物体的非闭合区域,避免了使用吸收边界条件截断开放区域.通过推导基于有限元法的双各向异性媒质的泛函表达式,实现铁氧体、等离子体、手征等各类复杂媒质的统一建模,使该方法有很强的通用性.数值结果证明:本文发展的有限元-边界元方法对复杂媒质电磁散射问题分析的准确性和有效性.
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| 关 键 词： | 有限元-边界元法(FE-BI) 电磁散射 各向异性媒质 双各向同/异性媒质 |
Computation of scattering from the complex media targets with the hybrid finite-element boundary integral method |
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| FAN Zhen-hong,ZHU Jian,CAO Hai-ping,CHEN Ru-shan.Computation of scattering from the complex media targets with the hybrid finite-element boundary integral method[J].Chinese Journal of Radio Science,2009,24(3). |
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| Authors: | FAN Zhen-hong ZHU Jian CAO Hai-ping CHEN Ru-shan |
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| Affiliation: | FAN Zhen-hong ZHU Jian CAO Hai-ping CHEN Ru-shan(Department of Communication Engineering,Nanjing University of Science , Technology,Nanjing Jiangsu 210094,China) |
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| Abstract: | The hybrid finite-element boundary integral method(FE-BI) is applied for the analysis of the scattering from the complex media targets,such as the anisotropic media,bi-isotropic media,and bi-anisotropic media.The inside complex media part is discreted by the finite-element method(FEM).We derive the general functional formulation of the bi-anisotropic media in FEM,and this functional formulation is also applicable for the anisotropic or bi-isotropic media.The boundary region around the target is analyzed by ... |
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| Keywords: | Finite-element boundary integral method(FE-BI) electromagnetic scattering the anisotropic media the bi-isotropic media the bi-anisotropic media |
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