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A finite element method for the analysis of radiation and scattering of electromagnetic waves on complex environments

机译:分析复杂环境中电磁波辐射和散射的有限元方法

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摘要

A hybrid finite element method (FEM) and high frequency technique (HFT) for the efficient analysis of the radiation and scattering of electromagnetic waves on complex environments is presented. It makes use of FEM for the regions with small and complex features and a HFT for the analysis of the electrically large objects of the structure, taking into account mutual interactions between the FEM domains and the objects analyzed with HF techniques. Results of the analysis of two-dimensional scattering and radiation problems using Physical Optics as the high frequency technique are given showing the main features of the method.
机译:提出了一种混合有限元方法(FEM)和高频技术(HFT),用于有效分析复杂环境中电磁波的辐射和散射。考虑到FEM域和使用HF技术分析的对象之间的相互影响,它将有限元法用于具有小而复杂特征的区域,并将HFT用于分析结构的电大对象。给出了使用物理光学作为高频技术分析二维散射和辐射问题的结果,显示了该方法的主要特征。

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