运动薄板的平均边界条件
AVERAGED BOUNDARY CONDITIONS FOR A MOVING THIN CONDUCTING PLATE
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摘要: 考虑到利用精确边界条件处理电磁屏蔽问题的复杂性,为简化电磁屏蔽边值问题的分析与计算,该文在平均边界条件的基础上给出了运动薄板电磁屏蔽边值问题求解的一种新的近似方法。通过编程上机计算,得到了运动薄板近似传输系数的值,经与精确边界条件下运动薄板准确传输系数的值比较,发现两种结果符合得很好。这表明本文中的方法不仅是简便易行的,且可以足够准确地描述薄板两侧电磁场的分布情况。
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关键词:
- 平面电磁场; 运动薄板; 平均边界条件
Abstract: Considering the complexity of solution for the problem of electromagnetic shielding by using precise boundary conditions, in order to simplify analysis and calculation of the boundary-value problem of electromagnetic shielding, on the basis of averaged boundary conditions, a new method of solution for the boundary-value problem of the electromagnetic shielding on a moving thin conducting plate is presented. Compared with the solution obtained by using precise boundary conditions, the method presented in this paper is very simple and convenient, and in the applied limits of averaged boundary conditions, the distribution of electromagnetic fields in the free space outside the plate can be calculated with satisfactory accuracy. -
刘宝林,袁建生,马信山,运动薄壳体上电磁场平均边界条件的推导,第七届全国电工数学学术年会.乌鲁木齐,1999,61-66.[2]刘宝林,袁建生,马信山,低频磁场中旋转球形瘪壳体屏蔽特性的研究,电子学报,1999,111-112.[3]Liu Baolin.[J].Shen Peihua,Ma Xinshan,A new method obtaining integral equatious in probletns of electromagnetic shieldiug for a thin cylindrical shell of arbitrary cross section,ICCEA99,Beijing,Way.1999,14:- -
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