Acoustic metamaterials (AMs) for sound wave manipulation have attracted significant
attention due to their fascinating functionalities, such as anomalous reflection/refraction …

Topological valley metamaterial in classical wave systems has shown great potential for
manipulating electromagnetic, acoustic, and elastic waves due to the defect-immune and …

As an important tool for monitoring the marine environment, safeguarding maritime rights
and interests and building a smart ocean, underwater equipment has developed rapidly in …

Aiming at achieving lower and broader bandgaps (BGs) and stronger collimation effect, this
research proposes a novel perforated metamaterial plate with acoustic black holes (ABHs) …

Tuning the band gap by mechanically generating deformation of soft phononic crystals
provides an effective means to manipulate the propagation of acoustic waves. In this paper …

In this Letter, a single-cavity underwater acoustic metasurface unit with sub-wavelength
thickness was designed for simultaneously realizing the high refractive index in the water …

Phonon engineering at the nanoscale holds immense promise for a myriad of applications.
However, the design of phononic devices continues to rely on regular shapes chosen …

Mechanical metamaterials with low-frequency and broadband bandgaps have great
potential for elastic wave control. Inspired by the ancient window mullions, a novel plate-type …

Sensing is the fundamental technique for sensor data acquisition in monitoring the operation
condition of the machinery, structures and manufacturing processes. In this paper, we briefly …

The advance of artificial intelligence and graphene-based composites brings new vitality
into the conventional design of acoustic lenses which suffers from high computation cost and …