Abstract
The presented work addresses an easy to manufacture and applicable vibroacoustic metamaterial for thin-walled sheet metal structures commonly used for industrial machines and their housings, which are often subject to vibration and the cause of noise. The work involves the numerical stop band prediction, the elaboration of an easy to manufacture vibroacoustic metamaterial compound and its experimental validation on a sheet metal structure. The vibroacoustic metamaterial is attached to the structure using a magnetic film. Two stop bands occur in the frequency range of 1800-4000 Hz.
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