A time-domain model of edge diffraction based on the exact Biot-Tolstoy solution

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概要

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• This paper presents a new impulse response model of edge diffraction. It uses secondary edge sources with directivities such that all sources together give the exact solution for an infinite rigid wedge, as given by Biot and Tolstoy. The new model is an extension of work by Medwin et al. Results are presented for sound transmission across a thick noise barrier, scattering from rectangular and circular thin and rigid plates. Comparisons with other methods show good to excellent agreement. Efficient numelical implementations are possible, especially if only first-order diffraction is needed to include.

• 社団法人電子情報通信学会の論文
• 1997-09-26

著者

• Andersson R

  Chalmers Univ. Technol. Gothenburg Swe

• Svensson U

  Chalmers Univ. Technol. Gothenburg Swe

• Svensson U.peter

  Environmental Acoustics Laboratory Faculty Of Engineering Kobe University

• ANDERSSON Roger

  Department of Applied Acoustics, Chalmers University of Technology

• VANDERKOOY John

  Audio Research Group, Department of Physics, University of Waterloo

• Andersson Roger

  Department Of Applied Acoustics Chalmers University Of Technology

• Vanderkooy J

  Univ. Waterloo Ontario Can

• Vanderkooy John

  Audio Research Group Department Of Physics University Of Waterloo

• Andersson Roger

  Department of Applied Acoushcs, Chalmers University of Technology

関連論文

• A NEW INTERPRETATION OF THE EDGE DIFFRACTION PHENOMENON
• A time-domain model of edge diffraction based on the exact Biot-Tolstoy solution

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