| FDTDSIBC混合方法计算近地导线表面电流 |
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| 引用本文： | 闫玉波,葛德彪,柴玫.FDTDSIBC混合方法计算近地导线表面电流[J].电波科学学报,2001,16(4):484-486,492. |
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| 作者姓名： | 闫玉波 葛德彪 柴玫 |
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| 作者单位： | 西安电子科技大学物理系,陕西,西安,710071 |
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| 基金项目： | 陕西省自然科学基金，99SL01， |
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| 摘 要： | 通过在FDTD方法中引进时域表面阻抗界条件来研究瞬态电磁脉冲对有耗地面附近电缆线耦合问题。由频域表面阻抗出发通过拉氏变换得到时域表面阻抗边界条件（SIBC），并将这种边界条件应用于FDTD方法中来模拟有耗地面的反射。计算结果表明了些方法的有效性。
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| 关 键 词： | 时域有限差分方法 表面阻抗边界条件 时域表面电流 |
| 文章编号： | 1005-0388(2001)04-0484-04 |
Analysis of induced current on a wire above lossy ground by FDTD-SIBC hybrid method |
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| YAN Yu,bo,GE De,biao,CHAI Mei.Analysis of induced current on a wire above lossy ground by FDTD-SIBC hybrid method[J].Chinese Journal of Radio Science,2001,16(4):484-486,492. |
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| Authors: | YAN Yu bo GE De biao CHAI Mei |
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| Abstract: | The Coupling problem of an EM pulse into a cable above a lossy ground is proceeded by using the Finite Difference Time Domain (FDTD) method. We introduce the time domain Surface Impedance Boundary Condition (SIBC) combined with FDTD to simulate the reflections from a lossy ground. Based on the spectral formulae and Laplace Transform, we derive the time domain SIBC available for FDTD. Then this time domain SIBC replaces the lossy ground, reducing the solution space and producing significant computational savings. Numerical results demonstrate the availability of presented approach. |
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| Keywords: | finite difference time domain (FDTD) method surface impedance boundary condition (SIBC) time domain surface current |
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