一种改进的笛卡尔-圆柱混合坐标系时域有限差分法

2016 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC) Pub Date : 2016-05-17 DOI:10.1109/APEMC.2016.7522825

Binghao Li, Y. Du

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引用次数: 1

摘要

本文提出了一种改进的笛卡尔-圆柱混合坐标系时域有限差分法，用于长导线的轴对称结构建模。在圆柱坐标系下用时域有限差分方程描述导线，在笛卡尔坐标系下用无导线区域描述导线。采用细线模型将这些场方程联系起来，得到了时域解。将这种改进的时域有限差分法应用于求解覆盖绝缘材料的长导线所产生的瞬变电磁场。得到了合理的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A modified FDTD method using a hybrid Cartesian-cylindrical coordinate system

In this paper, a modified FDTD method using a hybrid Cartesian-cylindrical coordinate system is presented for modeling long wires with a axial symmetry structure. The wires are described with FDTD equations in a cylindrical coordinate system, and the non-wire zone in a Cartesian coordinated system. A thin-wire model is employed to link these field equations, and a time-domain solution is available. This modified FDTD method is applied to solve transient electromagnetic fields associated with long wires covered with insulation material. Reasonable result is obtained.

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2016 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)

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