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我们对有限长度园柱形电性不均匀体的点源场的有限单元法数值模拟进行了研究和讨论。利用“镜像法”原理将三维数值模拟问题转化成二维问题 ,从理论上严格地推导出了求“旁测剖面”电位的公式。依据此算法编制出的程序对各种模型进行了计算 ,结果令人满意
We study and discuss the finite element method numerical simulation of point source field of finite length cylindrical inhomogeneity. By using the principle of “mirror method”, the problem of three-dimensional numerical simulation is transformed into two-dimensional problem, and the formula to find the potential of “side profile” is deduced theoretically. Based on the program compiled by this algorithm, various models were calculated and the results were satisfactory