面心立方(FCC)网格FDTD中TF/SF边界的实现

Lijuan Shi, Ziwei Yan, Lixia Yang
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引用次数: 0

摘要

提出了一种基于FCC网格的时域有限差分法(FDTD)全场/散射场边界的实现方法。导出了TF/SF边界上电场分量和磁场分量的更新方程。通过模拟整个计算区域内垂直和倾斜入射平面波的振幅分布,验证了TF/SF边界的有效性。该研究为进一步利用FCC网格的FDTD方法分析目标的电磁散射提供了必要的基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Implementation of TF/SF Boundary for FDTD Method on Face-Centered-Cubic (FCC) Grids
The implementation of total-field/scattered-field (TF/SF) boundary for finite-difference time-domain (FDTD) method based upon FCC grids was proposed in this paper. The update equations of the electric and magnetic field components on the TF/SF boundary are derived. The effectiveness of the TF/SF boundary is verified by simulating the amplitude distribution of the vertical and oblique incident plane waves in the whole calculation region. This research can provide necessary basis for further analyzing electromagnetic scattering of targets using FDTD method based upon FCC grids.
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