Effective dynamic properties and multi-resonant design of acoustic metamaterials

R Zhu, GL Huang, GK Hu - 2012 - asmedigitalcollection.asme.org
In the study, a retrieval approach is extended to determine the effective dynamic properties
of a finite multilayered acoustic metamaterial based on the theoretical reflection and …

A frequency response function-based optimization for metamaterial beams considering both location and mass distributions of local resonators

L Fan, Y He, X Chen, X Zhao - Journal of Applied Physics, 2021 - pubs.aip.org
To date, phononic crystals/metamaterials normally adopt classical periodic configurations,
and optimization strategies for them are based primarily on dispersion relations from a …

Wave localization in randomly disordered layered three-component phononic crystals with thermal effects

YZ Wang, FM Li, K Kishimoto, YS Wang… - Archive of Applied …, 2010 - Springer
In this paper, the propagation and localization of elastic waves in randomly disordered
layered three-component phononic crystals with thermal effects are studied. The transfer …

The two-degree-of-freedom local resonance elastic metamaterial plate with broadband low-frequency bandgaps

K Lu, JH Wu, L Jing, N Gao… - Journal of Physics D …, 2017 - iopscience.iop.org
A theoretical model of a new type of two-degree-of-freedom local resonance mass-spring
system with the resonator considering vertical and rotational vibration (the moment of inertia) …

Locally resonant band gaps in flexural vibrations of a Timoshenko beam with periodically attached multioscillators

Z Wang, P Zhang, Y Zhang - Mathematical Problems in …, 2013 - Wiley Online Library
A new beam structure with periodically attached multioscillators is proposed based on the
idea of locally resonant (LR) phononic crystals (PCs) to reduce flexural vibrations in the …

Widening the band gaps of hourglass lattice truss core sandwich structures for broadband vibration suppression

Z Guo, J Wen, D Yu, G Hu… - … of Vibration and …, 2023 - asmedigitalcollection.asme.org
This paper proposes a novel phononic crystal sandwich beam (PCSB) for low-frequency
and broadband vibration suppression. The representative volume element (RVE) consists of …

Resonant modal group theory of membrane-type acoustical metamaterials for low-frequency sound attenuation

F Ma, JH Wu, M Huang - The European Physical Journal Applied Physics, 2015 - epjap.org
In order to overcome the influence of the structural resonance on the continuous structures
and obtain a lightweight thin-layer structure which can effectively isolate the low-frequency …

Propagation of longitudinal waves in the broadband hybrid mechanism gradient elastic metamaterials rods

K Lu, Y Tian, N Gao, L Li, H Lei, M Yu - Applied Acoustics, 2021 - Elsevier
In this work, a novel broadband hybrid mechanism gradient Elastic Metamaterials (EMs) rod,
based on traditional formation mechanisms of band gaps, is proposed and the vibration …

Suppression of vibration and noise radiation in a flexible floating raft system using periodic structures

Y Song, J Wen, D Yu, X Wen - Journal of Vibration and …, 2015 - journals.sagepub.com
This paper investigates the suppression of vibration and noise radiation in a flexible raft
system through the use of periodic structure theory. A floating raft isolation system is …

Flexural vibration bandgaps in local resonance beam with a novel two-degree-of-freedom local resonance system

K Lu, JH Wu, L Jing, D Guan - The European Physical Journal Applied …, 2017 - epjap.org
In this paper, an elastic metamaterial beam with a novel two-degree-of-freedom local
resonator is investigated theoretically, and the dispersion relation is calculated by using …