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Reflection of elastic waves by a cylindrical cavity in an absorptive medium

 

作者: Lawrence Flax,   Werner G. Neubauer,  

 

期刊: The Journal of the Acoustical Society of America  (AIP Available online 1978)
卷期: Volume 63, issue 3  

页码: 675-680

 

ISSN:0001-4966

 

年代: 1978

 

DOI:10.1121/1.381793

 

出版商: Acoustical Society of America

 

数据来源: AIP

 

摘要:

The analytical formulation for the total scattering cross section of a cylindrical cavity in an elastic medium is given for the case of inclusion of compressional and shear wave attenuations. Examples are computed of relatively small attenuations exemplified by the material polymethacrylate and relatively large attenuations exemplified by polyethylene. The inclusion of wave attenuations known to exist in these materials cause the scattering cross section to diminish significantly for wave‐number cylindrical‐cavity‐radius product up to 10.

 

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