Metadamping: dissipation emergence in elastic metamaterials

CL Bacquet, H Al Ba'ba'a, MJ Frazier, M Nouh… - Advances in applied …, 2018 - Elsevier
Resonant elastic metamaterials are artificial material systems that exhibit unique dynamical
properties shaped by the intrinsic interaction between resonances and traveling dispersive …

Band transition and topological interface modes in 1D elastic phononic crystals

J Yin, M Ruzzene, J Wen, D Yu, L Cai, L Yue - Scientific reports, 2018 - nature.com
In this report, we design a one-dimensional elastic phononic crystal (PC) comprised of an
Aluminum beam with periodically arranged cross-sections to study the inversion of bulk …

Analysis of multifunctional piezoelectric metastructures for low-frequency bandgap formation and energy harvesting

C Sugino, A Erturk - Journal of Physics D: Applied Physics, 2018 - iopscience.iop.org
Vibration-based energy harvesting is a growing field for generating low-power electricity to
use in wireless electronic devices, such as the sensor networks used in structural health …

[HTML][HTML] Broadband locally resonant metamaterial sandwich plate for improved noise insulation in the coincidence region

Z Liu, R Rumpler, L Feng - Composite structures, 2018 - Elsevier
A new design for locally resonant metamaterial sandwich plates is proposed in this paper for
noise insulation engineering applications. A systematic method to tune the resonance …

Designing phononic crystals with wide and robust band gaps

Z Jia, Y Chen, H Yang, L Wang - Physical Review Applied, 2018 - APS
Phononic crystals (PnCs) engineered to manipulate and control the propagation of
mechanical waves have enabled the design of a range of novel devices, such as …

Bandgap engineering of three-dimensional phononic crystals in a simple cubic lattice

F Lucklum, MJ Vellekoop - Applied Physics Letters, 2018 - pubs.aip.org
In this work, we present a comprehensive theoretical and experimental study of three-
dimensional phononic crystals arranged in a simple cubic lattice. The band structure is …

H-fractal seismic metamaterial with broadband low-frequency bandgaps

Q Du, Y Zeng, Y Xu, H Yang… - Journal of Physics D …, 2018 - iopscience.iop.org
The application of metamaterial in civil engineering to achieve isolation of a building by
controlling the propagation of seismic waves is a substantial challenge because seismic …

A hollow inclusion self-similarity phononic crystal with an ultra-low-frequency bandgap

N Gao, H Hou, B Cheng, R Zhang - International Journal of Modern …, 2018 - World Scientific
FEA method is applied in order to investigate the bandgaps of two-dimensional (2D)
phononic crystals which are composed with self-similarity hollow inclusions. Transmission …

An isogeometric approach for analysis of phononic crystals and elastic metamaterials with complex geometries

R Alberdi, G Zhang, K Khandelwal - Computational Mechanics, 2018 - Springer
An isogeometric analysis (IGA) framework is presented to construct and solve dispersion
relations for generating the band structure of periodic materials with complicated geometries …

[HTML][HTML] The Lamb wave bandgap variation of a locally resonant phononic crystal subjected to thermal deformation

Y Zhu, Z Li, Y Li - AIP Advances, 2018 - pubs.aip.org
A study on dynamical characteristics of a ternary locally resonant phononic crystal (PC) plate
(ie, hard scatterer with soft coating periodically disperse in stiff host matrix) is carried out in …