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

Acoustic/elastic metasurfaces as a kind of two-dimensional metamaterials are of
subwavelength thickness and show remarkable ability of acoustic/elastic wave …

The energy of ground-born vibration is transported mostly by surface waves. Therefore,
engineered structures which absorb externally applied energy and improve structural …

Metasurfaces are planar metamaterials with a flat surface and a subwavelength thickness
that are able to shape arbitrary wave fronts such as focusing or imaging. There is a broad …

A severe limitation of current acoustic metasurfaces remains in their modest tunability to
meet multifrequency requirements and alterable functionalities on demand. Here, a …

The elastic metasurface with compact design and easy fabrication has provided some
insight into applications of solid wave-based field owing to its novel wavefront-shaping …

We theoretically and experimentally investigate a helical acoustic metasurface capable of
providing a modulated sound-reflected wavefront and a continuously tunable broadband …

A broadband elastic wave absorption by a sub-wavelength and lightweight structure is of
considerable significance in vibration suppression, especially for low frequencies in plate …

In engineering, plate structures are one type of the main load-bearing structures. However,
most of the designed plate-like metamaterials/metasurfaces need to be heavily grooved or …

The elastic metasurface with phase discontinuities has received much attention for realizing
diverse wave steering applications. To date, the elastic metasurfaces capable of realizing …