吉林大学学报(理学版)

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散射问题优化PML方法的收敛性

杨孝英   

  1. 长春工业大学 基础科学学院, 长春 130012
  • 收稿日期:2015-10-15 出版日期:2016-07-26 发布日期:2016-07-20
  • 通讯作者: 杨孝英 E-mail:3110948117@qq.com

Convergence of Optimal Perfectly MatchedLayer Method for Scattering Problems

YANG Xiaoying   

  1. School of Basic Sciences, Changchun University of Technology, Changchun 130012, China
  • Received:2015-10-15 Online:2016-07-26 Published:2016-07-20
  • Contact: YANG Xiaoying E-mail:3110948117@qq.com

摘要:

给出一种带小参数ε0的优化完美匹配层(PML)方法, 求解时谐散射问题. 结果表明, 该方法使得散射问题优化PML方法的计算不依赖于PML的厚度δ, 且优化的PML解指数收敛于原问题的解.

关键词: 优化PML方法, 小参数, 指数收敛

Abstract:

The author proposed an optimal perfectly matched layer (PML) method with small parameter ε0 for solving timeharmonic scattering problem. The results show that the proposed method makes the calculation of the scattering problem of optimal PML method do not depend on the thickness δ  of  the PML, and the exponential convergence of the optimal PML is the solution of the original problem.

Key words: optimal perfectly matched layer (PML) method, small parameter, exponential convergence

中图分类号: 

  • O241.3