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Vibration of a clamped circular plate driven by a noncentral force

 

作者: J. C. Snowdon,  

 

期刊: The Journal of the Acoustical Society of America  (AIP Available online 1980)
卷期: Volume 67, issue 4  

页码: 1222-1231

 

ISSN:0001-4966

 

年代: 1980

 

DOI:10.1121/1.384164

 

出版商: Acoustical Society of America

 

数据来源: AIP

 

摘要:

Expressions are stated for the transmissibility and for the driving‐point impedance of an internally damped circular plate of radiusawith a clamped boundary that is driven by a vibratory point force at an arbitrary distance μafrom the plate center. Expressions are also stated for the plate transmissibility and driving‐point impedance when the plate is loaded at the arbitrary driving point either by a lumped mass, by a dynamic vibration absorber, or simultaneously by a lumped mass and a dynamic absorber. In all cases, representative calculations of transmissibility and impedance are plotted versus the square root of frequency. These curves clearly show the dependence of transmissibility and impedance on the plate damping factor, the value of the parameter μ, and the extent of the mass loading. They also show the effectiveness of the dynamic absorber, which varies with the value assigned to μ.

 

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