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http://dx.doi.org/10.5050/KSNVN.2006.16.11.1140

Study on Transmission Loss in Smart Panel Using Admittance  

Zhao, Lijie (인하대학교 대학원 기계공학과)
Kim, Jae-Hwan (인하대학교 기계공학부)
Kim, Heung-Soo (인하대학교 기계공학부)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.16, no.11, 2006 , pp. 1140-1148 More about this Journal
Abstract
In this paper, transmission loss of smart panel was investigated using piezoelectric shunt damping. Admittance of piezoelectric system was introduced to represent electro-mechanical coupling of smart panel and to predict the performance of shunt damping. Finite element method was used to obtain numerical admittance. In order to illuminate the effect of noise reduction in the shunt system, transmission loss of the smart panel was investigated. Two models were considered to show the relation between admittance and transmission loss of smart panel. It was observed that admittance of piezoelectric system could be used as a design index of smart panel.
Keywords
Admittance; Electro-mechanical Coupling; Piezoelectric Shunt Damping; Transmission Loss;
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