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Convergence analysis of an adaptive edge element method for Maxwell's equations

机译:麦克斯韦方程的自适应边缘元方法的收敛性分析

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摘要

An efficient and reliable a posteriori error estimate is derived for solving three-dimensional static Maxwell's equations by using the edge elements of first family. Based on the a posteriori error estimates, an adaptive finite element method is constructed and its convergence is established. Compared with the existing results, an important advantage of the new theory lies in its feature that the usual marking of elements based on the oscillation is not needed in our adaptive algorithm, while the linear convergence of the algorithm can be still demonstrated in terms of the reduction of the energy-norm error and the oscillation. Numerical examples are provided which demonstrate the effectiveness and robustness of the adaptive methods.
机译:通过使用第一族的边缘元素,为求解三维静态麦克斯韦方程组,导出了一种有效而可靠的后验误差估计。基于后验误差估计,构造了一种自适应有限元方法,并建立了其收敛性。与现有结果相比,新理论的一个重要优势在于其特征:在我们的自适应算法中不需要基于振动的常规元素标记,而算法的线性收敛仍可以通过减少能量范数误差和振荡。数值例子表明了自适应方法的有效性和鲁棒性。

著录项

  • 来源
    《Applied numerical mathematics》 |2009年第12期|2950-2969|共20页
  • 作者

    Junqing Chen; Yifeng Xu; Jun Zou;

  • 作者单位

    Department of Mathematical Sciences, Tsinghua University, Beijing 100084, China;

    Department of Mathematics, Shanghai Jiao Tong University, Shanghai 200240, China;

    Department of Mathematics, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    static maxwell equations; edge element methods; adaptive methods;

    机译:静态麦克斯韦方程;边缘元素法;适应性方法;

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