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http://dx.doi.org/10.5050/KSNVN.2002.12.12.950

Active Control of Sound Fields from Vibrating Plates Using Piezoelectric and Viscoelastic Material  

Kang, Young-Kyu (인하대학교 기계공학부)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.12, no.12, 2002 , pp. 950-955 More about this Journal
Abstract
The coupled finite/boundary element method is used in numerical analysis for acoustic radiation from the vibration of rectangular composite plate which is simply supported. This analysis is validated using the Wallace equation for an isotropic plate. Active control of sound fields has been tarried out using 3 pairs of piezoelectric sensor/actuator and a pair of viscoelastic material by Passive constrained layer damping treatment. The results show that the optimal placement of piezoelectric sensor/actuator and VE patch is required to control the sound fields from a vibrating composite plate.
Keywords
Active Control; Sound Field; Plate Vibration; Piezoelectric Material; Viscoelastic Material; Passive Constrained Layer Damping(PCLD);
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