Elastic wave modulation in hollow metamaterial beam with acoustic black hole
NS Gao, XY Guo, BZ Cheng, YN Zhang, ZY Wei… - Ieee …, 2019 - ieeexplore.ieee.org
We propose and discuss the elastic wave attenuation of hollow metamaterial beam
embedded acoustic black hole. More abundant physical phenomena are given by modal …
embedded acoustic black hole. More abundant physical phenomena are given by modal …
Experimental demonstration of a dissipative multi-resonator metamaterial for broadband elastic wave attenuation
Elastic metamaterials (EMMs) encompass a relatively new class of composite materials that
exhibit unique dynamic effective material properties and possess the ability to mitigate or …
exhibit unique dynamic effective material properties and possess the ability to mitigate or …
Widening, transition and coalescence of local resonance band gaps in multi-resonator acoustic metamaterials: From unit cells to finite chains
Local resonance band gaps in acoustic metamaterials are widely known for their strong
attenuation yet narrow frequency span. The latter limits the practical ability to implement …
attenuation yet narrow frequency span. The latter limits the practical ability to implement …
Three-dimensional printing of locally resonant carbon-fiber composite metastructures for attenuation of broadband vibration
K Mizukami, T Kawaguchi, K Ogi, Y Koga - Composite Structures, 2021 - Elsevier
This study presents locally resonant acoustic metamaterials made of continuous carbon-
fiber-reinforced plastics for vibration attenuation. Unit cells were designed such that the …
fiber-reinforced plastics for vibration attenuation. Unit cells were designed such that the …
Active control of a black hole or concentrator for flexural waves in an elastic metamaterial plate
L Ning, YZ Wang, YS Wang - Mechanics of Materials, 2020 - Elsevier
The black hole equipment or concentrator plays an important role in harnessing the wave
energy, which has the potential application in the energy collecting engineering. In this work …
energy, which has the potential application in the energy collecting engineering. In this work …
[HTML][HTML] Study of tunable locally resonant metamaterials: Effects of spider-web and snowflake hierarchies
The present research is an effort to enhance and control locally resonant bandgaps in
periodic metamaterials of hexagonal and triangular topologies by introducing spider-web …
periodic metamaterials of hexagonal and triangular topologies by introducing spider-web …
Innovative lightweight re-entrant cross-like beam phononic crystal with perforated host for broadband vibration attenuation
M Ravanbod, S Ebrahimi-Nejad - Applied Physics A, 2023 - Springer
Locally resonant acoustic metamaterials (LRAMs) effectively reduce low-frequency noise,
since their locally resonant systems act as spatial frequency filters. However, they have …
since their locally resonant systems act as spatial frequency filters. However, they have …
Tunable dissipation in elastic metamaterials via methodic reconfiguration of inertant mechanical networks
Elastic metamaterials have proposed transformative solutions to applications in structural
mechanics owing to their unique capabilities in the domain of wave propagation and control …
mechanics owing to their unique capabilities in the domain of wave propagation and control …
Tunable bandgap characteristic of various hexagon-type elastic metamaterials for broadband vibration attenuation
G Yan, Y Li, Y Wang, G Yin, S Yao - Aerospace Science and Technology, 2024 - Elsevier
Inspired by the advantages of the hexagon lattices and auxetic metamaterials, the typical
two-dimensional (2D) hexagon-type elastic metamaterials (EMs), that is, the concave, the …
two-dimensional (2D) hexagon-type elastic metamaterials (EMs), that is, the concave, the …
Band-gap structure in two-and three-dimensional cellular locally resonant materials
Wave propagation in periodic locally resonant materials (LRM) is characterized by the
presence of band-gaps occurring at relatively low frequencies which can be exploited for …
presence of band-gaps occurring at relatively low frequencies which can be exploited for …