Broadband sound barriers with bianisotropic metasurfaces
Sign Up to like & getrecommendations! Published in 2018 at "Nature Communications"
DOI: 10.1038/s41467-018-07809-3
Abstract: Noise is a long standing societal problem that has recently been linked to serious health consequences. Despite decades of research on noise mitigation techniques, existing methods have significant limitations including inability to silence broadband noise… read more here.
Keywords: barriers bianisotropic; sound barriers; bianisotropic metasurfaces; noise ... See more keywords
Hybrid ultrathin metasurface for broadband sound absorption
Sign Up to like & getrecommendations! Published in 2024 at "Applied Physics Letters"
DOI: 10.1063/5.0206120
Abstract: To this day, achieving broadband low-frequency sound absorption remains a challenge even with the possibilities promised by the advent of metamaterials and metasurfaces, especially when size and structural restrictions exist. Solving this engineering challenge relies… read more here.
Keywords: broadband sound; absorption; metasurface; sound absorption ... See more keywords
Inverse-designed acoustic metasurfaces for broadband sound absorption
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Applied Physics"
DOI: 10.1063/5.0227491
Abstract: Acoustic metasurfaces are widely used for noise attenuation due to their outstanding acoustic performance and subwavelength characteristics. The paper introduces a topology-optimized inverse design approach for broadband sound-absorbing metasurfaces, aiming to achieve efficient sound absorption… read more here.
Keywords: inverse; acoustic metasurfaces; broadband sound; absorption ... See more keywords
Continuous ultra-broadband sound insulation performance in annular cellular metamaterials by utilizing the coupling of split-ring resonators
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ade1e9
Abstract: Noise control in an annular cellular environment has numerous applications in engineering. However, when planar acoustic metamaterials are transformed into annular configurations, the non-periodic arrangement of elements makes it difficult to ensure their excellent broadband… read more here.
Keywords: insulation performance; sound insulation; insulation; broadband sound ... See more keywords
Broadband sound absorption using acoustic black holes with micro-perforated panels
Sign Up to like & getrecommendations! Published in 2024 at "Modern Physics Letters B"
DOI: 10.1142/s0217984924502439
Abstract: In order to achieve broadband sound absorption, we propose a composite structure combining acoustic black holes (ABHs) and micro-perforated panels (MPPs). Here, we adopt both simulant and experimental methods to describe the sound transmission mechanism… read more here.
Keywords: formula see; broadband sound; sound absorption; see text ... See more keywords
An Ultra-Thin Composite Metasurface with Hybrid-Damping Modes for Broadband Sound Absorption
Sign Up to like & getrecommendations! Published in 2024 at "Applied Sciences"
DOI: 10.3390/app14209290
Abstract: In this paper, we proposed an ultra-thin composite metasurface for broadband sound absorption, in which a compound Helmholtz structure and porous materials are coupled in a parallel-series arrangement. The Helmholtz structure comprises multiple compound cells… read more here.
Keywords: ultra thin; thin composite; broadband sound; absorption ... See more keywords