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Radiation from a submerged elastic shell defined by nonconcentric cylinders

 

作者: Richard Paul Shaw,  

 

期刊: The Journal of the Acoustical Society of America  (AIP Available online 1978)
卷期: Volume 64, issue 1  

页码: 311-317

 

ISSN:0001-4966

 

年代: 1978

 

DOI:10.1121/1.381961

 

出版商: Acoustical Society of America

 

数据来源: AIP

 

摘要:

The acoustic radiation from an elastic cylindrical shell defined by nonconcentric cylindrical surfaces and submerged in an acoustic fluid is studied. The driving mechanism is a time‐harmonic internal pressure. In particular, the influence of the nonconcentricity parameter δ on the resulting radiation field is examined. The solution is obtained by means of an expansion in powers of this parameter about the concentric solution, δ=0. Each order of solution is solved in closed form by means of boundary integral equation methods. Results are given for the zeroth and first‐order solutions and it is seen that ajth driving mode will introduce nearest neighbor (j−1 andj+1) modes in the first‐order solution.

 

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