| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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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 |
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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.
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Received: 17 November 2014
Revised: 23 January 2015
Accepted manuscript online:
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PACS:
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41.20.-q
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(Applied classical electromagnetism)
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41.20.Jb
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(Electromagnetic wave propagation; radiowave propagation)
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| Fund: Project supported by the Postdoctoral Science Foundation of China (Grant No. 2014M552610). |
Corresponding Authors:
Gao Zhen-Ru
E-mail: gygzr@sina.com
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Cite this article:
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 2015 Chin. Phys. B 24 094101
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