Center for Intelligent Material Systems and Structures (CIMSS)
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Browsing Center for Intelligent Material Systems and Structures (CIMSS) by Author "Bell Telephone Laboratories"
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- Power consumption of piezoelectric actuators driving a simply supported beam considering fluid couplingStein, Steve C.; Liang, Chen; Rogers, Craig A. (Acoustical Society of America, 1994-09-01)An electromechanical impedance model is applied to the case of a simply supported beam in an infinite rigid baffle with a fluid medium on one side. The effects of the fluid medium are included in the impedance analysis by considering fluid-structure interaction. The use of static and impedance model for structural acoustic analysis is discussed. Various power consumptions of PZT actuator-driven underwater beam structures will be quantified. The analysis discussed in this paper will be used to determine radiated structural acoustic power without using microphones. This work is the first step toward the determination of power requirements for underwater active structural acoustic control.