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Unified Analysis of Leap-Frog Methods for Solving Time-Domain Maxwell's Equations in Dispersive Media

机译:求解分散介质中时域麦克斯韦方程组的蛙跳方法统一分析

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摘要

In this paper, we consider the time dependent Maxwell's equations resulting from dispersive medium models. First, the stability and Gauss's law are proved for all three most popular dispersive medium models: the isotropic cold plasma, the one-pole Debye medium and the two-pole Lorentz medium. Then leap-frog mixed finite element methods are devel oped for these three models. Optimal error estimates are proved for all three models solved by the lowest-order Raviart-Thomas-Nedelec spaces. Extensions to multiple pole dispersive media are presented also. Numerical results confirming the analysis are presented.
机译:在本文中,我们考虑了由色散介质模型产生的时间相关的麦克斯韦方程。首先,针对三种最流行的色散介质模型(各向同性冷等离子体,一极德拜介质和两极洛伦兹介质)证明了稳定性和高斯定律。然后针对这三个模型开发了蛙跳混合有限元方法。证明了通过最低阶Raviart-Thomas-Nedelec空间求解的所有三个模型的最优误差估计。还介绍了对多极分散介质的扩展。给出了证实分析的数值结果。

著录项

  • 来源
    《Journal of Scientific Computing》 |2011年第1期|p.1-26|共26页
  • 作者

    Jichun Li;

  • 作者单位

    Hunan Key Laboratory for Computation and Simulation in Science and Engineering, Xiangtan University, Xiangtan 411105, China Department of Mathematical Sciences, University of Nevada Las Vegas, Las Vegas, NV 89154-4020,USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    maxwell's equations; dispersive media; leap-frog scheme;

    机译:麦克斯韦方程;色散介质;跳蛙法;

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