完全整合層吸収境界を考慮した超音波パルスの人体モデル内における伝搬・散乱の数値解析 Numerical Analysis of Propagation and Scattering of Ultrasonic Pulse in Biological Tissues with Perfectly Matched Layer Absorbing Boundary.

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Our previous studies have demonstrated the finite-defference time-domain method (FD-TD method) widely used for analyzing electromagnetic field are also useful for analyzing the ultrasonic propagation in the human body. However, the conditions of absorbing boundary for the outer circumference of calculation area have not been examined at all. In this study, the application of FD -TD method was evaluated in 2-dimesional problems. Berenger's perfectly matched layer absorbing boundary theory, which has been demonstrated to be applicable for FD-TD analysis of electromagnetic field was also found able to be used without any modification as the absorbing boundary in ultrasonic FD-TD analysis.

収録刊行物

  • 放射線医学物理

    放射線医学物理 18(1), 104-112, 1998-03-31

    Japan Society of Medical Physics

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各種コード

  • NII論文ID(NAID)
    10003724401
  • NII書誌ID(NCID)
    AA11137895
  • 本文言語コード
    JPN
  • 資料種別
    OTR
  • ISSN
    09188010
  • データ提供元
    CJP書誌  J-STAGE 
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