讨论了计算二维静电场的非正交有限差分算法，给出了数值计算公式。
A finite difference method in non orthogonal curvilinear coordinate is used for the simulation of two dimensional electrostatic field. The computational formula is derived.
基于有限元方法，作者研制出一个高性能二维静电场分析软件包SEF_2D。
Based on some new algorithms developed by the authors, an efficient finite element software package for electrostatic field analysis (SEF2D) is made.
基于二维静电场的有限元法，本文采用形状校正法实现了电极形状的优化设计。
A contour correction technique for the optimization of electrode contour I described in this paper.
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