薄钢壳物体磁特征建模研究

摘要

本文对薄钢壳物体磁特征建模技术进行了研究,给出了一种联合磁矩量法和多层自适应交叉近似法的新方法.该方法可用于处理复杂结构铁磁物体所要求的稠密网格划分.大幅度压缩了磁矩量法系数矩阵的计算量和内存需求.并采用一些典型范例对该方法进行了验证,确可实现薄钢壳物体磁特征的高精度、快速建模,具有较高的实用价值.%This paper analyzed the magnetic characteristics of thin-sheet objects and presented a new method combining magnetic moment method and multilevel adaptive cross approximation. It can be used to treat real objects with complex geometry by using very dense meshes and reduce the numerical complexity in both memory requirement and CPU time for the coefficient matrix of magnetic moment method. Several application examples validate the effectiveness of the method.