Acoustic resonances in open systems, which are usually associated with resonant modes
characterized by complex eigenfrequencies, play a fundamental role in manipulating …

Acoustic metasurfaces are at the frontier of acoustic functional material research owing to
their advanced capabilities of wave manipulation at an acoustically vanishing size. Despite …

Sound-absorbing materials (SAMs) have attracted significant interest for more than a century
owing to their rich physical properties and extensive potential in acoustic engineering. This …

Acoustic metamaterial represents the synergism between wave physics and designed
geometric structures, aimed at novel acoustic properties. For the important functionality of …

力学超材料是一类由人工微结构单元构筑的复合结构或复合材料, 具有天然材料所不具备的静
力学/动力学性能. 由于这些超常特性通常取决于微结构单元而非材料组分 …

For engineering applications, sound-absorbing materials are supposed to withstand
potential impact loading conditions. However, there is a lack of attempts on multifunctional …

In this study, we propose a new reconfigurable hexagonal-shaped Helmholtz resonator with
a slit in each side. Numerical and experimental investigation of a single unit cell and the …

Ventilated acoustic insulation currently represents one of the most promising research
directions in applied acoustics. With the ongoing development and application of acoustic …

We theoretically and experimentally demonstrate an approach to design a kind of
broadband muffler with functionalities of sound insulation and ventilation at low frequencies …

In this research, we propose and design an acoustic metamuffler (AMM) by coupling a
microperforated plate and a composite waveguide formed by a main waveguide and a …