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首页> 外文期刊>Journal of Computational Physics >Coupling of finite element and boundary integral methods for electromagnetic scattering in a two-layered medium
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Coupling of finite element and boundary integral methods for electromagnetic scattering in a two-layered medium

机译：两层介质中电磁散射的有限元和边界积分方法耦合

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摘要

Consider a time-harmonic electromagnetic plane wave incident on an inhomogeneity embedded in a two-layered medium. In this paper, a method of coupling of finite element and boundary integral equation methods is presented for the solutions of electromagnetic scattering in both transverse electric and magnetic polarization cases. The well-posedness of the continuous and discrete problems, as well as optimal error estimates for the coupled variational approximations, are obtained. Numerical results are included to illustrate the accuracy with the optimal convergence property of the proposed method and to show the wave features in a two-layered medium.
机译：考虑入射在两层介质中嵌入的非均匀性上的时谐电磁平面波。本文提出了一种将有限元与边界积分方程法耦合的方法，以解决横向极化和横向极化情况下的电磁散射问题。获得了连续和离散问题的适定性，以及耦合变分近似的最佳误差估计。数值结果包括了说明所提方法的最优收敛性能的精度，并显示了两层介质中的波特征。

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