Design of acoustic/elastic phase gradient metasurfaces: principles, functional elements, tunability, and coding
Acoustic/elastic metasurfaces as a kind of two-dimensional metamaterials are of
subwavelength thickness and show remarkable ability of acoustic/elastic wave …
subwavelength thickness and show remarkable ability of acoustic/elastic wave …
Recent advances in non-traditional elastic wave manipulation by macroscopic artificial structures
Metamaterials are composed of arrays of subwavelength-sized artificial structures; these
architectures give rise to novel characteristics that can be exploited to manipulate …
architectures give rise to novel characteristics that can be exploited to manipulate …
Temperature-controlled elastic wave transport in topological ferroelectric phononic crystal plates
Thermally tunable elastic wave transport with controllable topological properties in a thin
plate is investigated. For the prior plate-type phononic crystals designed with passive …
plate is investigated. For the prior plate-type phononic crystals designed with passive …
An inverse design paradigm of multi-functional elastic metasurface via data-driven machine learning
Elastic metasurfaces have become one of the most promising platforms for manipulating
mechanical wavefronts with the striking feature of ultra-thin geometry. The conventional …
mechanical wavefronts with the striking feature of ultra-thin geometry. The conventional …
Pillared elastic metasurface with constructive interference for flexural wave manipulation
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 …
most of the designed plate-like metamaterials/metasurfaces need to be heavily grooved or …
Deflecting flexural wave with high transmission by using pillared elastic metasurface
This paper proposes an innovative and simple elastic metasurface, which is one kind of
ultrathin metamaterial, to abnormally deflect normally and obliquely incident flexural waves …
ultrathin metamaterial, to abnormally deflect normally and obliquely incident flexural waves …
Asymmetric flexural wave transmission based on dual-layer elastic gradient metasurfaces
Traditional asymmetric transmission of elastic waves is mostly based on mode conversion,
which presents a real challenge to get pure-mode elastic waves. In this letter, without the aid …
which presents a real challenge to get pure-mode elastic waves. In this letter, without the aid …
Nonlocal elastic metasurfaces: Enabling broadband wave control via intentional nonlocality
While elastic metasurfaces offer a remarkable and very effective approach to the
subwavelength control of stress waves, their use in practical applications is severely …
subwavelength control of stress waves, their use in practical applications is severely …
Arbitrary wavefront modulation utilizing an aperiodic elastic metasurface
Metasurfaces have attracted much attention due to their much more compact configurations
and their abilities to modulate wavefronts of propagating waves by abruptly shifting their …
and their abilities to modulate wavefronts of propagating waves by abruptly shifting their …
Tunable piezoelectric metasurface for manipulating multi-mode guided waves in plate
To control the propagation of multi-mode guided waves in plate is very significant in
nondestructive testing and structural health monitoring for identifying damage and detecting …
nondestructive testing and structural health monitoring for identifying damage and detecting …