Optimization of viscoelastic metamaterials for vibration attenuation properties

RF Ghachi, WI Alnahhal, O Abdeljaber… - … Journal of Applied …, 2020 - World Scientific
Metamaterials (MMs) are composites that are artificially engineered to have unconventional
mechanical properties that stem from their microstructural geometry rather than from their …

Vibro-acoustic metamaterial for longitudinal vibration suppression in a low frequency range

S Lee, CH Ahn, JW Lee - International Journal of Mechanical Sciences, 2018 - Elsevier
This study proposes a theoretical model of a vibro-acoustic metamaterial for longitudinal
vibration suppression in a low frequency range and computationally and experimentally …

Enhancing the band gap of an active metamaterial

M Reynolds, S Daley - Journal of Vibration and Control, 2017 - journals.sagepub.com
Metamaterials have been the subject of significant interest over the past decade due to their
ability to produce novel acoustic behaviour beyond that seen in naturally occurring media …

Experimental investigation of vibration damper composed of acoustic metamaterials

L Sun - Applied Acoustics, 2017 - Elsevier
The membrane type acoustic metamaterials have been recently proposed and described in
our research team. The present paper presents the experimental results of the vibration …

[HTML][HTML] Elastic metamaterial composite made of molded pulp and steel for suppression of low-frequency vibration in thin-plate structures

S Tomita, S Nakano, M Segi, T Nishimura - Materials & Design, 2022 - Elsevier
This study proposes EMMs made of molded pulp and steel composite structures; molded
pulp can be used to manufacture periodic shapes with low cost and environmental burden …

[HTML][HTML] A ternary seismic metamaterial for low frequency vibration attenuation

C Chen, J Lei, Z Liu - Materials, 2022 - mdpi.com
Structural vibration induced by low frequency elastic waves presents a great threat to
infrastructure such as buildings, bridges, and nuclear structures. In order to reduce the …

On band gap and damping of metamaterials involving negative-stiffness elements

C Mei, L Li, Y Jiang, Y Ye, X Li, X Han, H Tang… - International Journal of …, 2023 - Elsevier
This study proposes a viscoelastic metamaterial containing negative-stiffness elements,
which exhibits both a damping enhancement effect and a tunable ultra-low frequency band …

Propagation of elastic waves in metamaterial plates with various lattices for low-frequency vibration attenuation

G Yan, S Yao, Y Li - Journal of Sound and Vibration, 2022 - Elsevier
Elastic wave propagation characteristics of elastic metamaterial plates embedded scatterer
with various lattices are explored numerically and experimentally in this study, for the …

Flexural wave propagation and vibration isolation characteristics of sandwich plate-type elastic metamaterials

Y Li, H Zi, X Wu, L Zhu - Journal of Vibration and Control, 2021 - journals.sagepub.com
Sandwich structures are widely used in the fields of aerospace, automobile as well as ship
and offshore structures because of their excellent mechanical performances such as …

[HTML][HTML] Enhanced suppression of low-frequency vibration transmission in metamaterials with linear and nonlinear inerters

Y Liu, J Yang, X Yi, D Chronopoulos - Journal of Applied Physics, 2022 - pubs.aip.org
This study proposes the use of a linear and geometrically nonlinear inerter-based resonator
in locally resonant acoustic metamaterials (LRAMs) and evaluates the performance on low …