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The Inverse Fundamental Operator Marching Method for Cauchy Problems in Range-Dependent Stratified Waveguides

机译:距离相关分层波导中柯西问题的逆基本算子行进方法

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摘要

The inverse fundamental operator marching method (IFOMM) is suggested to solve Cauchy problems associated with the Helmholtz equation in stratified waveguides. It is observed that the method for large-scale Cauchy problems is computationally efficient, highly accurate, and stable with respect to the noise in the data for the propagating part of a starting field. In further, the application scope of the IFOMM is discussed through providing an error estimation for the method. The estimation indicates that the IFOMM particularly suits to compute wave propagation in long-range and slowly varying stratified waveguides.
机译:为了解决与分层波导中的亥姆霍兹方程有关的柯西问题,建议采用逆基本算子行进法(IFOMM)。可以看出,针对大规模柯西问题的方法对于起始场的传播部分的数据中的噪声,计算效率高,准确性高且稳定。此外,通过为该方法提供误差估计来讨论IFOMM的应用范围。该估计表明,IFOMM特别适合计算在远距离和缓慢变化的分层波导中的波传播。

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  • 来源
    《Mathematical Problems in Engineering》 |2011年第3期|p.1-15|共15页
  • 作者

    Peng Li; Weizhou Zhong;

  • 作者单位

    Department of Mathematics, North China University of Water Conservancy and Electric Power, Zhengzhou 450011, China,School of Economics and Finance, Xi'an Jiaotong University, Xi'an 710061, China;

    School of Economics and Finance, Xi'an Jiaotong University, Xi'an 710061, China;

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