Suppression of the vibration and sound radiation of a sandwich plate via periodic design
International Journal of Mechanical Sciences（2019）
Abstract
•Effects of periodic design on vibration and sound of a sandwich plate are studied.•Reasons for the improvement on acoustic properties are expounded.•Effects of boundary conditions on vibration and sound radiation are analysed.•Vibration, sound radiation and radiation efficiency are reduced in multi ranges.
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Key words
Sandwich plate,Periodic design,Vibration,Sound radiation,Suppression
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