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A Free Vibration Analysis of Sound-Structure Interaction Plate
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 Title & Authors
A Free Vibration Analysis of Sound-Structure Interaction Plate
Lee, Dong-Ick; O, Jae-Eung;
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 Abstract
In order to investigate the characteristics of sound-structure interaction problems, we modeled a rectangular cavity and the flexible wall of the cavity. Because the governing equations of motion are coupled through velocity terms, we could redefine them using the velocity potential. We calculated the natural frequencies of plate using orthogonal polynomial functions which satisfy the boundary conditions in the Rayleigh-Ritz Method. As the result, comparisons of theory and experiment show good agreement. and using orthogonal polynomial functions which satisfy the boundary conditions in the Rayleigh-Ritz method show useful method for sound-structure interaction problems too.
 Keywords
Sound-Structure Interaction;Rectangular Cavity;Velocity Potential;Natural Frequency;Orthogonal Polynomial Functions;
 Language
Korean
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