
Lattice metamaterials as advanced airborne sound insulators
Dec 11, 2025 · This perspective explores the acoustic capabilities of various lattice morphologies, offers preliminary recommendations on geometry selection for effective sound insulation, and presents a …
Three-Dimensional Single-Port Labyrinthine Acoustic Metamaterial ...
Dec 29, 2016 · The authors create an acoustic metamaterial consisting of curled, hollow, dead-end channels, which can totally absorb sound in a band of low frequencies. The position and width of the …
Ultra-open acoustic metamaterial silencer based on Fano-like ...
Jan 4, 2019 · Recently, with advances in acoustic metamaterial science, the possibility of sound attenuation using subwavelength structures, while maintaining permeability to air, has been …
Acoustically soft and mechanically robust hierarchical metamaterials in ...
Nov 7, 2023 · To overcome the mutual exclusion of low acoustic impedance and high mechanical properties, we propose a design principle including two steps that regulate the lattice orientation and …
Full manipulation of sound scattering via piezoelectric reconfigurable ...
Apr 14, 2025 · Herein, we propose a type of dual-layered piezoelectric acoustic metamaterial (D-PAM) integrating mechanical and electrical components for sound scattering manipulation.
Broadband ventilated sound insulation based on acoustic consecutive ...
Apr 26, 2024 · Our work lays the groundwork for the next generation of Fano-based metamaterial applications, with far-reaching implications for noise control and related fields.
Dec 11, 2025 · This perspective explores the acoustic capabilities of various lattice morphologies, offers preliminary recommendations on geometry selection for effective sound insulation, and presents a …
Aerogel as a Soft Acoustic Metamaterial for Airborne Sound
Mar 30, 2016 · Soft acoustic metamaterials utilizing mesoporous silica aerogel structures offer an alternative means to tune the effective properties of the resulting metamaterial, while simultaneously …
Customizable Acoustic Metamaterial Barrier with Intelligent Sound ...
Dec 12, 2022 · We need only a customized spectrum to achieve sound insulation at desired discrete frequencies, while, at other ones, insulation can be unwanted to preserve an effective signal other …
Mar 30, 2016 · Experimental data is obtained on the effective density and sound speed using an air-filled acoustic impedance tube for flexural metamaterial elements, which have previously only been …