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Multiple scattering by random configurations of circular cylinders: second-order corrections for the effective wavenumber

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preprint
posted on 22.07.2005 by Christopher Linton, P.A. Martin
A formula for the effective wavenumber in a dilute random array of identical scatterers in two dimensions is derived, based on Lax's quasi-crystalline approximation. This formula replaces a widely-used expression due to Twersky, which is shown to be based on an inappropriate choice of pair-correlation function.

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School

  • Science

Department

  • Mathematical Sciences

Pages

195146 bytes

Publication date

2004

Notes

This pre-print has been submitted, and accepted, to the journal, Journal of the Acoustical Society of America. The definitive version: LINTON, C.M. and MARTIN, P.A., 2005. Multiple scattering by random configurations of circular cylinders: second-order corrections for the effective wavenumber. Journal of the Acoustical Society of America, 117(6), pp.3413-3423 is available online at: http://asa.aip.org/jasa.html.

Language

en

Alternative title

Scattering by random arrangements of cylinders

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