SOUND WAVE SCATTERING BY ELASTIC CYLINDER ENCASEDIN SOLID MATRIX WITH INTERPHASE LAYER

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SOUND WAVE SCATTERING BY ELASTIC CYLINDER ENCASEDIN SOLID MATRIX WITH INTERPHASE LAYER

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LU PENG, WANG YAO-JUN

Acta Phys. Sin., 2001, 50(4): 697-703.

Abstract
The general equation for determining the scattered sound wave coefficients by an elastic cylinder encased in solid matrix is derived.A thin interphase layer between the matrix and cylinder is taken into account.The resonance modes and related eigenfrequencies in the backscattering spectra are discerned based on the Flax's theory.By using the spring model for interphase layer,the effect of the shear stiffness constant KT on the resonance scattering modes is evaluated.

Keywords:
sound wave scattering /

resonance mode /

interface
Authors and contacts
LU PENG,

WANG YAO-JUN

1.
南京大学近代声学国家重点实验室声学研究所,南京210093
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