Mechanical metamaterials
Mechanical metamaterials, also known as architected materials, are rationally designed
composites, aiming at elastic behaviors and effective mechanical properties beyond ('meta') …
composites, aiming at elastic behaviors and effective mechanical properties beyond ('meta') …
Recent advances in topological elastic metamaterials
H Huang, J Chen, S Huo - Journal of Physics: Condensed Matter, 2021 - iopscience.iop.org
Topological elastic metamaterials have emerged as a new frontier in the quest of topological
phases in condensed matter physics. Their exotic topological properties open a wealth of …
phases in condensed matter physics. Their exotic topological properties open a wealth of …
Topological cavities in phononic plates for robust energy harvesting
Piezoelectric energy harvesting has attracted tremendous interest for designing sustainable
self-powered devices/systems targeted to special environment such as wireless or wearable …
self-powered devices/systems targeted to special environment such as wireless or wearable …
Acoustic and mechanical metamaterials for energy harvesting and self-powered sensing applications
Metamaterials are artificially engineered structures that exhibit extraordinary properties
beyond the constituent materials, making them attractive for various applications in optics …
beyond the constituent materials, making them attractive for various applications in optics …
Selective mode conversion and rainbow trapping via graded elastic waveguides
We experimentally achieve wave-mode conversion and rainbow trapping in an elastic
waveguide loaded with an array of resonators. Rainbow trapping is a phenomenon that …
waveguide loaded with an array of resonators. Rainbow trapping is a phenomenon that …
Tunable topological edge states and rainbow trapping in two dimensional magnetoelastic phononic crystal plates based on an external magnetostatic field
F Sui, J Chen, H Huang - International Journal of Mechanical Sciences, 2022 - Elsevier
The elastic analogs of topological insulators (TIs) have attracted substantial research
interest owing to their potential prospects in wave manipulation and low-loss transmission …
interest owing to their potential prospects in wave manipulation and low-loss transmission …
Topological rainbow trapping and acoustic energy amplification in two-dimensional gradient phononic crystals
In this work, we numerically and experimentally investigate topological rainbow trapping and
energy amplification of acoustic waves in a gradient phononic crystal (PC) structure. Thanks …
energy amplification of acoustic waves in a gradient phononic crystal (PC) structure. Thanks …
[HTML][HTML] 力学超材料研究进展与减振降噪应用
尹剑飞, 蔡力, 方鑫, 肖勇, 杨海滨, 张弘佳, 钟杰… - 力学进展, 2022 - lxjz.cstam.org.cn
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 …
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 …
[HTML][HTML] Periodically alternated elastic support induced topological phase transition in phononic crystal beam systems
Determining strong robustness in flexural wave propagation in beam systems has always
been a promising achievement with various real-life applications such as energy harvesting …
been a promising achievement with various real-life applications such as energy harvesting …
Topological edge states of quasiperiodic elastic metasurfaces
In this work, we investigate the dynamic behavior and the topological properties of
quasiperiodic elastic metasurfaces, namely arrays of mechanical oscillators arranged over …
quasiperiodic elastic metasurfaces, namely arrays of mechanical oscillators arranged over …