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A new hybrid FDTD-BIE approach to model electromagnetic scattering problems

机译:一种新的混合FDTD-BIE方法来建模电磁散射问题

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摘要

A new hybrid finite-difference time-domain boundary integral equation (FDTD-BIE) method is proposed. The geometry under consideration is decomposed into several subregions. For some of the bounded subregions the FDTD technique is used to construct an interaction matrix, relating virtual electric and magnetic currents at the boundary of the subregion, for several frequencies at the same time. The remaining bounded and unbounded subregions are described by a boundary integral equation technique. An example is given to validate the new technique.
机译:提出了一种新的时域混合有限差分边界积分方程(FDTD-BIE)方法。所考虑的几何形状被分解为几个子区域。对于某些有界子区域,FDTD技术用于构建一个交互矩阵,该函数将子区域边界上同时存在多个频率的虚拟电流和磁流相关联。其余的有界和无界子区域通过边界积分方程技术进行描述。举例说明了这项新技术。

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