Elastic metamaterials for guided waves: from fundamentals to applications

J Lee, YY Kim - Smart Materials and Structures, 2023 - iopscience.iop.org
Guided waves, elastic waves propagating through bounded structures, play a pivotal role in
various applications, including ultrasonic non-destructive testing and structural health …

Low-frequency locally resonant band gap of the two-dimensional quasi-zero-stiffness metamaterials

Q Lin, J Zhou, K Wang, D Xu, G Wen, Q Wang… - International Journal of …, 2022 - Elsevier
This paper develops a novel type of two-dimensional (2D) locally resonant (LR)
metamaterials with quasi-zero-stiffness (QZS) property both in the horizontal and vertical …

Microstructural designs of plate-type elastic metamaterial and their potential applications: a review

R Zhu, XN Liu, GK Hu, FG Yuan… - International Journal of …, 2015 - Taylor & Francis
Elastic metamaterials are of growing interest due to their unique effective properties and
wave manipulation abilities. Unlike phononic crystals based on the Bragg scattering …

A chiral elastic metamaterial beam for broadband vibration suppression

R Zhu, XN Liu, GK Hu, CT Sun, GL Huang - Journal of Sound and Vibration, 2014 - Elsevier
One of the significant engineering applications of the elastic metamaterial (EMM) is for low-
frequency vibration attenuation because of its unusual low-frequency bandgap behavior …

Vibrant times for mechanical metamaterials

J Christensen, M Kadic, O Kraft, M Wegener - Mrs Communications, 2015 - cambridge.org
Metamaterials are man-made designer matter that obtains its unusual effective properties by
structure rather than chemistry. Building upon the success of electromagnetic and acoustic …

Wave propagation in two-dimensional viscoelastic metamaterials

YF Wang, YS Wang, V Laude - Physical Review B, 2015 - APS
Propagation of elastic waves in acoustic metamaterials based on locally resonant
viscoelastic phononic crystals is discussed. A variational formulation of the complex band …

Elastic wave band gaps in a three-dimensional periodic metamaterial using the plane wave expansion method

VF Dal Poggetto, AL Serpa - International Journal of Mechanical Sciences, 2020 - Elsevier
In this work, a novel Fourier series expansion is proposed for representing periodic three-
dimensional metamaterials consisting of spherical inclusions in a cubic lattice, which allows …

Metaconcrete: designed aggregates to enhance dynamic performance

SJ Mitchell, A Pandolfi, M Ortiz - Journal of the Mechanics and Physics of …, 2014 - Elsevier
We propose a new type of concrete for the attenuation of elastic waves induced by dynamic
excitation. In this metamaterial, which we call metaconcrete, the stone, sand, and gravel …

[HTML][HTML] Design of novel two-dimensional single-phase chiral phononic crystal assembly structures and study of bandgap mechanism

X Li, S Cheng, R Wang, Q Yan, B Wang, Y Sun, H Yan… - Results in Physics, 2023 - Elsevier
In this paper, novel two-dimensional single-phase three-ligament, four-ligament and six-
ligament chiral structure models are proposed. The advantage is that it is easy to …

Willis elastodynamic homogenization theory revisited for periodic media

H Nassar, QC He, N Auffray - Journal of the Mechanics and Physics of …, 2015 - Elsevier
The theory of elastodynamic homogenization initiated by JR Willis is revisited for periodically
inhomogeneous media through a careful scrutiny of the main aspects of that theory in the 3D …