GPR simulation based on complex frequency shifted recursive integration PML boundary of 3D FDTD (宇宙・航行エレクトロニクス)

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概要

• 論文の詳細を見る

• Application of finite difference time domain (FDTD) method in Ground Penetrating Radar (GPR) simulation, the absorbing boundary is one of key factors to improve the calculation accuracy. The classical PML boundary condition would make spurious reflection for the waves being incident on the PML interface at near-grazing angles, low frequency waves, or evanescent waves. The non-split complex frequency-shifted PML absorbing boundary which based on recursive integration (CFS-RIPML) has a good absorption effect on these interference waves. In addition, it could be directly applied in the isotropic, anisotropic, dispersion or the nonlinear medium. In this paper, we derived the three dimension CFS-RIPML absorbing boundary formula and realized it. The numerical simulation shows that the CFS-RIPML is significantly better than UPML and PML boundary in absorption effect, calculation accuracy, reflection error.

• 一般社団法人電子情報通信学会の論文
• 2011-11-17

著者

• Li Jing

  College Of Chemistry And Chemical Engineering Xinyang Normal University

• Zeng Zhaofa

  College Of Geo-exploration Science And Technology Jilin University

• Huang Ling

  Institute Of Electronics Chinese Academy Of Sciences

• Liu Fengshan

  Applied Mathematics Research Center, Delaware State University

• Liu Fengshan

  Applied Mathematics Research Center Delaware State University

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