Guided waves, elastic waves propagating through bounded structures, play a pivotal role in
various applications, including ultrasonic non-destructive testing and structural health …

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 …

Exceptional point (EP), a special degeneracy in non‐Hermitian systems, has exhibited
various distinctive wave characteristics. However, the conventional synthesis of scattering …

Moiré effects arising from mutually twisted metasurfaces have showcased remarkable wave
manipulation capabilities, unveiling tantalizing emerging phenomena such as acoustic …

Extreme impedance mismatch causes sound insulation at water–air interfaces, limiting
numerous cross‐media applications such as ocean‐air wireless acoustic communication …

Shape morphing in bistable kirigami enables remarkable functionalities appealing to a
diverse range of applications across the spectrum of length scale. At the core of their shape …

Gradient acoustic metasurfaces are a class of subwavelength metamaterials that provide
unprecedented opportunities to control the direction of reflected and refracted waves …

Elastic metasurfaces, being the subject of much attention and discussion, are first designed
by phase modulation and now are also considered as a kind of structures with …

This paper presents the design of a meta-shell with spring-mass resonators periodically
attached onto a cylindrical shell to achieve low-frequency, broadband vibration suppression …

The concept of topological insulator is introduced into plates in civil engineering, and
topologically protected interface states of flexural waves are obtained successfully. Thanks …