An acoustic absorbing metamaterial with multi-Helmholtz resonators at low-frequency underwater
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DOI: 10.1142/s0217984921503978
Abstract: An ultra-thin waterborne acoustic metamaterial (AM), which is made of steel and composed of multi-Helmholtz resonators (MHRs), is proposed to achieve perfect sound absorption at low frequencies, which are generated around the resonance mode. The… read more here.
Keywords: low frequency; multi helmholtz; helmholtz resonators; sound absorption ... See more keywords