用一种新的初始电子分布方法模拟高空核电磁脉冲

Jin Zang, Ye‐Rong Zhang
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摘要

在以往的研究中,采用Klein-Nishina (KN)公式来模拟高空核脉冲(HEMP)产生的康普顿电子运动的初始分布。本文引入均值初值法(MIVM)来近似KN分布。在电流密度公式中加入衰减系数。结果表明,该方法能较好地计算出横向电场的峰值。两种方法的半宽差不大于20%。与KN公式法相比,MIVM的计算时间大大缩短。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simulation of the high-altitude nuclear EMP by using a novel initial electron distribution method
In previous studies, Klein-Nishina (KN) formula is used to simulate the initial distribution of the motion of the Compton electrons generated during the high-altitude nuclear pulse (HEMP). Here we introduce a mean initial value method (MIVM) to approximate the KN distribution. An attenuation coefficient is added to the current density formula. The method is found good in calculating the peak value of the transverse electric field. The difference of the half-width between the two methods is no larger than 20 percent. The computing time of the MIVM is much shorter compared with the KN formula method.
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