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Multi-Pole Representation of Small Acoustic Sources

Published online by Cambridge University Press:  05 May 2011

Fadil Santosa  and
William W. Symes
Fadil Santosa*
Affiliation:
School of Mathematics, University of Minnesota, Minneapolis, MN 55455, U.S.A.
William W. Symes*
Affiliation:
Department of Computational and Applied Mathematics, Rice University, Houston, TX 77251, U.S.A.
*
*Professor
*Professor
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Abstract

Band-limited acoustic sources of small spatial extent produce radiation patterns well approximated by those of multi-poles. Assumed limits on dimensionless size Ka and source efficiency lead to explicit rules for the necessary length of the multi-pole series.

Keywords

Acoustic wave propagationsource modelingmulti-pole expansionfar-field pattern
Type
Invited Paper
Information
Journal of Mechanics , Volume 16 , Issue 1 , March 2000 , pp. 15 - 21
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2000

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References

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