Numerical simulation of the coupling of ultra-wide band electromagnetic pulse into landmine by aperture

doi:10.1088/1674-1056/24/9/094101

中国物理B ›› 2015, Vol. 24 ›› Issue (9): 94101-094101.doi: 10.1088/1674-1056/24/9/094101

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Numerical simulation of the coupling of ultra-wide band electromagnetic pulse into landmine by aperture

高振儒^{a b}, 赵慧昌^a, 杨力^b, 王凤山^b

a School of Electronic Engineering and Optoelectronic Technology, Nanjing University of Science and Technology, Nanjing 210094, China;
b College of Field Engineering, PLA University of Science and Technology, Nanjing 210007, China

收稿日期:2014-11-17 修回日期:2015-01-23 出版日期:2015-09-05 发布日期:2015-09-05
基金资助:
Project supported by the Postdoctoral Science Foundation of China (Grant No. 2014M552610).

Numerical simulation of the coupling of ultra-wide band electromagnetic pulse into landmine by aperture

Gao Zhen-Ru (高振儒)^{a b}, Zhao Hui-Chang (赵慧昌)^a, Yang Li (杨力)^b, Wang Feng-Shan (王凤山)^b

a School of Electronic Engineering and Optoelectronic Technology, Nanjing University of Science and Technology, Nanjing 210094, China;
b College of Field Engineering, PLA University of Science and Technology, Nanjing 210007, China

Received:2014-11-17 Revised:2015-01-23 Online:2015-09-05 Published:2015-09-05
Contact: Gao Zhen-Ru E-mail:gygzr@sina.com
Supported by:
Project supported by the Postdoctoral Science Foundation of China (Grant No. 2014M552610).

摘要/Abstract

摘要： The modern landmine's electronic fuse is susceptible to strong interference or can even be damaged by the ultra-wide band electromagnetic pulse (UWB-EMP). The finite-difference time-domain (FDTD) method in lossy media with cylindrical coordinates is used to study the interactions of the UWB-EMP with the landmine. First, the coupling of UWB-EMP into the landmine shielding shell through an aperture is numerically simulated. Second, the coupled electromagnetic field of mine shells made of different shielding materials and with apertures of different sizes is plotted. Third, the aperture coupling laws of UWB-EMP into shells are analyzed and categorized. Such an algorithm is capable of effectively preventing ladder similar errors, and consequently improving the calculation precision, and in addition to adopting the message passing interface (MPI) parallel method to divide the total calculating range into more sub-ranges, the overall calculating efficiency is greatly increased. These calculations are surely a constructive reference for modern landmine design against electromagnetic damage.

Abstract: The modern landmine's electronic fuse is susceptible to strong interference or can even be damaged by the ultra-wide band electromagnetic pulse (UWB-EMP). The finite-difference time-domain (FDTD) method in lossy media with cylindrical coordinates is used to study the interactions of the UWB-EMP with the landmine. First, the coupling of UWB-EMP into the landmine shielding shell through an aperture is numerically simulated. Second, the coupled electromagnetic field of mine shells made of different shielding materials and with apertures of different sizes is plotted. Third, the aperture coupling laws of UWB-EMP into shells are analyzed and categorized. Such an algorithm is capable of effectively preventing ladder similar errors, and consequently improving the calculation precision, and in addition to adopting the message passing interface (MPI) parallel method to divide the total calculating range into more sub-ranges, the overall calculating efficiency is greatly increased. These calculations are surely a constructive reference for modern landmine design against electromagnetic damage.

中图分类号: (Applied classical electromagnetism)

41.20.-q

41.20.Jb (Electromagnetic wave propagation; radiowave propagation)

高振儒, 赵慧昌, 杨力, 王凤山. Numerical simulation of the coupling of ultra-wide band electromagnetic pulse into landmine by aperture[J]. 中国物理B, 2015, 24(9): 94101-094101.

Gao Zhen-Ru (高振儒), Zhao Hui-Chang (赵慧昌), Yang Li (杨力), Wang Feng-Shan (王凤山). Numerical simulation of the coupling of ultra-wide band electromagnetic pulse into landmine by aperture[J]. Chin. Phys. B, 2015, 24(9): 94101-094101.

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Numerical simulation of the coupling of ultra-wide band electromagnetic pulse into landmine by aperture

Numerical simulation of the coupling of ultra-wide band electromagnetic pulse into landmine by aperture

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