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Diffractive corrections to the high‐frequency Kirchhoff approximation

 

作者: Suzanne T. McDaniel,  

 

期刊: The Journal of the Acoustical Society of America  （AIP Available online 1986）
卷期: Volume 79, issue 4  

页码: 952-957

 

ISSN:0001-4966

 

年代: 1986

 

DOI:10.1121/1.393692

 

出版商: Acoustical Society of America

 

关键词: SURFACES;ROUGHNESS;SOUND WAVES;CORRECTIONS;SCATTERING;THREE−DIMENSIONAL CALCULATIONS

 

数据来源: AIP

 

摘要:

Diffractive corrections to the physical optics solution for the scattering of high‐frequency sound by a random rough pressure release surface are derived. The correction terms are obtained by applying the composite‐roughness theory to an expansion of the scattering integral. Results are presented for a three‐dimensional rough surface and are compared with those obtained using a conventional composite‐roughness approach.

 

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