平面波在时域有限差分法中的引入方法研究

柴焱杰; 孙继银; 孙东阳; 胡寅

平面波在时域有限差分法中的引入方法研究

1.
第二炮兵工程学院, 陕西西安 710025
2. 西北核技术研究所, 陕西西安 710024
3. 第二炮兵指挥学院, 湖北武汉 430012

详细信息

作者简介:
柴焱杰(1978-),男,河北人,博士生,西安二炮工程学院计算机应用技术专业博士研究生,主要从事复杂环境电波传播、电磁场数值计算与电磁脉冲效应研究;孙继银(1952-),男,山东人,西安二炮工程学院教授,博士生导师,国家863计划信息领域评审专家,中国计算机学会多媒体专业委员会委员,中国计算机用户协会理事,陕西省学位评审委员会成员;孙东阳(1982-),男,吉林人,硕士,助理研究员,硕士毕业于西北核技术研究所,主要从事强电磁脉冲效应、电磁场数值计算研究工作。

通信作者:
柴焱杰 E-mail:chaiyanjie2005@163.com

中图分类号: TJ91
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出版历程
- 收稿日期: 2010-05-14
- 网络出版日期: 2020-12-30
- 发布日期: 2011-04-29

Importing methods of plane wave in the finite difference time domain method

1.
The Second Artillery Engineering College, X'an Shaanxi 710025, China
2. Northwest Institute of Nuclear Technology, Xi'an Shaanxi 710024, China
3. The Second Artillery Command College, Wuhan Hubei 430012, China

摘要

摘要: 基于角点延迟的思想，研究了时域有限差分（FDTD）法中，两种在连接边界上引入平面波的方法——一维平面波推进法和解析法。仿真结果表明：一维平面波推进法与解析法同样有效；一维平面波推进法很大程度上抵消了FDTD法的数值色散误差，溢出波较少，而解析法出现了较多的溢出波；使用一维平面波推进法时，减小网格尺寸能够进一步减小溢出波。
- 高空核爆电磁脉冲(HEMP) /
- 平面波 /
- 时域有限差分法 /
- 连接边界
Abstract: In the finite difference time domain method (FDTD), the one-dimensional plane wave advancing method and analytical method are studied based on the idea of corner points delay. The results show that the one-dimensional plane wave advancing method and analytical method are both effective; the former one can largely offset the inherent numerical dispersion error of FDTD, which leads to little spill wave, but a large spill wave appears in analytical method; and also that the spill wave can be further removed by decreasing the size of meshes.
- high-altitude electromagnetic pulse (HEMP) /
- plane wave /
- FDTD /
- connecting surface

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参考文献(11)

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