3D Hilbert fractal acoustic metamaterials: low-frequency and multi-band sound insulation
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DOI: 10.1088/1361-6463/ab092a
Abstract: In this work, we present a class of three-dimensional (3D) labyrinthine acoustic metamaterials with self-similar fractal technique, which can produce multiple frequency-band sound insulation in deep-subwavelength scale. By simultaneously exploiting the multi-frequency bandgaps and the… read more here.
Keywords: frequency; low frequency; band; multi ... See more keywords