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本文提出的修正边界元法采用满足部分边界条件的修正Green函数,可将所要计算的边界压缩为整个边界的一部分,在很大程度上减小了计算量、提高了解的精度,且对于大部分情况可避免数值积分并能自动消除边界元法固有的奇异性。文中给出了TEM模传输线特性阻抗和波导截止波长的数值计算结果。
The modified boundary element method proposed in this paper adopts a modified Green function that satisfies some boundary conditions, which can compress the boundary to be calculated into a part of the whole boundary, greatly reducing the amount of calculation and improving the accuracy of the solution. For the most part The situation avoids numerical integration and automatically eliminates the inherent singularity of the BEM. The numerical results of the characteristic impedance of the TEM mode transmission line and the cutoff wavelength of the waveguide are given in the paper.