Optimal design of rainbow elastic metamaterials
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2019.105185
Abstract: Abstract In this study, we present an optimization scheme for the resonator distribution in rainbow metamaterials that are constitutive of a Π-shaped beam with parallel plate insertions and two sets of spatially varying cantilever-mass resonators.… read more here.
Keywords: vibration attenuation; design rainbow; optimization; optimal design ... See more keywords
Origins of broadband vibration attenuation empowered by optimized viscoelastic metamaterial inclusions
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.06.018
Abstract: Abstract Many engineering applications involve slender tubular structures subjected to potentially harmful vibrations that must be damped to sustain the working life of the system. This research takes recent experimental observations involving cylindrical metamaterials, ideal… read more here.
Keywords: vibration attenuation; vibration; tubular structures; broadband vibration ... See more keywords
Vibration-Driven Triboelectric Nanogenerator for Vibration Attenuation and Condition Monitoring for Transmission Lines.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c01912
Abstract: Vibration is an omnipresent energy source that is renewable and has the potential to cause damage to transmission lines. Harvesting harmful vibration energy can achieve vibration attenuation. Here, a vibration-driven triboelectric nanogenerator (V-TENG) with the… read more here.
Keywords: transmission lines; vibration driven; vibration attenuation; transmission ... See more keywords
Graded multifunctional piezoelectric metastructures for wideband vibration attenuation and energy harvesting
Sign Up to like & getrecommendations! Published in 2020 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/abc7fa
Abstract: Unlike well-studied locally resonant (LR) metamaterials with a periodic array of identical resonators, "graded" LR metamaterials consist of an array of resonators with a spatially varying parameter, yielding wideband wave attenuation and mode trapping/localization, among… read more here.
Keywords: vibration attenuation; vibration; piezoelectric metastructures; energy harvesting ... See more keywords
Torsional Vibration Attenuation Characteristics and Stiffness Identification of Flexible Coupling in Vehicle Power Train
Sign Up to like & getrecommendations! Published in 2020 at "Shock and Vibration"
DOI: 10.1155/2020/8851581
Abstract: Flexible coupling is one of the crucial components for vibration attenuation used in vehicle power train. Vibration attenuation characteristics and stiffness identification of flexible coupling are profoundly studied aiming at one vehicle power train. Firstly,… read more here.
Keywords: power train; vibration; vibration attenuation; flexible coupling ... See more keywords
Towards Broadband High-Frequency Vibration Attenuation Using Notched Cross-Shaped Metamaterial
Sign Up to like & getrecommendations! Published in 2023 at "Micromachines"
DOI: 10.3390/mi14020414
Abstract: This paper reports a plate-type metamaterial designed by arranging unit cells with variable notched cross-sections in a periodical array for broadband high-frequency vibration attenuation in the range of 20 kHz~100 kHz. The dispersion relation and… read more here.
Keywords: attenuation; frequency; vibration attenuation; plate type ... See more keywords