Acoustic-wave diffraction about a body of arbitrary impedance

A. T. Chwang, Ching-Jer Huang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The integral-equation method is applied to study the diffracted field of an acoustic source at an arbitrary location relative to a ring aperture in a baffle of arbitrary impedance. A set of eight real Fredholm integral equations of the second kind is used to determine the surface-source densities or the velocity potentials on the baffle surfaces. The effect of different parameters on the diffracted acoustic field is systematically studied and compared. A general discussion based on the comparison of diffracted acoustic field about a perfectly soft baffle, a perfectly hard baffle, and a baffle of arbitrary impedance is given.

Original languageEnglish
Title of host publicationComputational Mechanics
PublisherPubl by A.A. Balkema
Pages1617-1621
Number of pages5
ISBN (Print)9054100311
Publication statusPublished - 1991 Dec 1
EventProceedings of the Asian Pacific Conference on Computational Mechanics - Hong Kong, Hong Kong
Duration: 1991 Dec 111991 Dec 13

Publication series

NameComputational Mechanics

Other

OtherProceedings of the Asian Pacific Conference on Computational Mechanics
CityHong Kong, Hong Kong
Period91-12-1191-12-13

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Ocean Engineering
  • Mechanical Engineering
  • Computational Theory and Mathematics
  • Computational Mathematics
  • Applied Mathematics

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  • Cite this

    Chwang, A. T., & Huang, C-J. (1991). Acoustic-wave diffraction about a body of arbitrary impedance. In Computational Mechanics (pp. 1617-1621). (Computational Mechanics). Publ by A.A. Balkema.