三维电子光学模拟器二阶有限元方法研究
doi: 10.3724/SP.J.1146.2009.01049
3D Second-Order Finite Element Method for Electron Optics Simulator
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摘要: 该文介绍了二阶有限元方法的基本理论，同时将其应用到3维微波管模拟器套装(Microwave Tube Simulator Suite, MTSS)中的电子光学模拟器(Electron Optics Simulator, EOS)。比较了EOS分别采用一阶和二阶有限元方法的计算结果，得到了二阶具有更好的收敛性以及更快的收敛速度的结果。Abstract: In this paper, 3D second-order finite element method for electron optic system is presented. And it is implemented in Electron Optics Simulator (EOS). The results are compared between first-order finite element method and second-order finite element method. Second-order finite element method has better convergence and faster convergence rate.
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