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本文介绍了对磁性体表面积分H=-ρ∫s grad(1/R)ds来计算磁场的方法。由于采用了在特殊条件下的三角形磁荷面的磁场公式来构成整个磁性体磁场,所以计算公式简单。本文还介绍了磁场和空间点的座标的三维座标转换矩阵,计算点在某些特殊情况下的处理方法。最后给出了该方法的模型和实际矿区的算例以及计算程序的框图。
This article describes a method for calculating the magnetic field by integrating the magnetic surface integral H = -ρ∫s grad (1 / R) ds. The calculation formula is simple because the magnetic field formula of triangular magnetic charge surface under special conditions is adopted to form the entire magnetic field. This paper also introduces the three-dimensional coordinate transformation matrix of the coordinates of the magnetic field and the space point, and calculates the processing method of the point in some special cases. Finally, the model of the method and the actual mining area and the block diagram of the calculation program are given.