Coupling Acoustic Analysis of Enclosure Consisting of Multi-Flexible Plates and its Active Structural Acoustic Control

Lin Ning Gu; Nan Chen

doi:10.4028/www.scientific.net/AMM.50-51.343

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 50-51Coupling Acoustic Analysis of Enclosure Consisting...

Coupling Acoustic Analysis of Enclosure Consisting of Multi-Flexible Plates and its Active Structural Acoustic Control

Abstract:

This paper develops a model of structural-acoustic coupled system of a rectangular enclosure involving two simply supported flexible plates. The acoustical potential energy and the optimal secondary control forces are derived theoretically. An example is presented to analyze the characteristics of the coupled system, the dominant factors that impact the coupling effects and the noise reduction with ASAC method. The paper shows the possibility of applying distributed cooperative control method to the structural-acoustic coupled system.

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Periodical:

Applied Mechanics and Materials (Volumes 50-51)

Pages:

343-347

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.50-51.343

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Online since:

February 2011

Authors:

Lin Ning Gu, Nan Chen

Keywords:

Acoustic Mode, ASAC, Coupled System, Noise Reduction, Structural Mode

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References

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