An Extrapolation Method of Vector Magnetic Field via Surface Integral Technique

According to the integral relationship between the vector magnetic flux density on a spatial point and that over a closed surface around magnetic sources, a technique for the extrapolation of vector magnetic field of a ferromagnetic object is given without computing scalar potential and its gradient. The vector magnetic flux density on a remote spatial point can be extrapolated by surface integral from the vector values over a closed measureed surface around the ferromagnetic object. The correctness of the technique testified by a special example and simulation. The experimented result shows that its accuracy is satisfying and the execution time is less than 1 second.

作 者： YAN Hui XIAO Chang-han ZHOU Guo-hua   作者單位： Electric and Information Engineering College, Naval University of Engineering, Wuhan 430033 Hubei, China  刊 名： 兵工學報（英文版）  英文刊名： JOURNAL OF CHINA ORDNANCE  年，卷(期)： 2009 5(3)  分類號： P631  關鍵詞： electromagnetics   extrapolation of vector magnetic field   ferromagnetic object   magnetic flux density  

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