Volume 1: 21st Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C 2007
DOI: 10.1115/detc2007-34423
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Analysis and Design of Smart Structures to Control Vibration and Noise

Abstract: The paper presents an overall analysis and design approach for smart lightweight structures to actively reduce vibration and noise. As smart materials, distributed piezoelectric patches are attached to the structure. The basis of the approach is an overall finite element model, which includes the structure itself, the acoustic fluid, the piezoelectric actuators and sensors as well as the controller. As a test example a smart acoustic box is simulated and the simulation results are compared with measured data. … Show more

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“…2to Eq. (1) and solving the equation in the modal coordinate, the nodal velocity response on the surface Γ is obtained even for nonlinear problems of the structure (7)(8)(9) . Velocity responses at surface nodes are transformed into frequency domain for the later use of the transient acoustic analysis in the open space around the structure.…”
Section: Transient Dynamic and Acoustic Analysis 21 Finite Element Smentioning
confidence: 99%
“…2to Eq. (1) and solving the equation in the modal coordinate, the nodal velocity response on the surface Γ is obtained even for nonlinear problems of the structure (7)(8)(9) . Velocity responses at surface nodes are transformed into frequency domain for the later use of the transient acoustic analysis in the open space around the structure.…”
Section: Transient Dynamic and Acoustic Analysis 21 Finite Element Smentioning
confidence: 99%