Mechanical metamaterials

R Craster, S Guenneau, M Kadic… - Reports on Progress in …, 2023 - iopscience.iop.org
Mechanical metamaterials, also known as architected materials, are rationally designed
composites, aiming at elastic behaviors and effective mechanical properties beyond ('meta') …

Emergence of seismic metamaterials: Current state and future perspectives

S Brûlé, S Enoch, S Guenneau - Physics Letters A, 2020 - Elsevier
Following the advent of electromagnetic metamaterials, researchers working in wave
physics have translated concepts of engineered media to acoustics, elastodynamics and …

Graded elastic metasurface for enhanced energy harvesting

JM De Ponti, A Colombi, R Ardito, F Braghin… - New Journal of …, 2020 - iopscience.iop.org
In elastic wave systems, combining the powerful concepts of resonance and spatial grading
within structured surface arrays enable resonant metasurfaces to exhibit broadband wave …

Bandgap characteristics and wave attenuation of metamaterials based on negative-stiffness dynamic vibration absorbers

S Lin, Y Zhang, Y Liang, Y Liu, C Liu, Z Yang - Journal of Sound and …, 2021 - Elsevier
Metamaterials with ultra-low frequency and broad bandgaps have seldom been reported. In
this paper, we propose a metamaterial whose unit cell consists of a dynamic vibration …

[图书][B] Nonconservative stability problems of modern physics

ON Kirillov - 2021 - books.google.com
This updated revision gives a complete and topical overview on Nonconservative Stability
which is essential for many areas of science and technology ranging from particles trapping …

Localizing elastic edge waves via the topological rainbow effect

B Ungureanu, MP Makwana, RV Craster… - Physical Review Applied, 2021 - APS
We combine two different fields, topological physics and graded metamaterials, to design a
topological metasurface to control and redirect elastic waves. We strategically design a two …

Interfacial waveforms in chiral lattices with gyroscopic spinners

M Garau, G Carta, MJ Nieves… - … of the Royal …, 2018 - royalsocietypublishing.org
We demonstrate a new method of achieving topologically protected states in an elastic
hexagonal system of trusses by attaching gyroscopic spinners, which bring chirality to the …

[HTML][HTML] Transient response of a gyro-elastic structured medium: unidirectional waveforms and cloaking

M Garau, MJ Nieves, G Carta, M Brun - International Journal of Engineering …, 2019 - Elsevier
The transient analysis of gyro-elastic structured media, composed of periodically placed
masses interconnected by elastic rods and attached to gyroscopic spinners, is presented …

Platonic crystal with low-frequency locally-resonant spiral structures: wave trapping, transmission amplification, shielding and edge waves

M Morvaridi, G Carta, M Brun - Journal of the Mechanics and Physics of …, 2018 - Elsevier
We propose a new type of platonic crystal, which includes spiral resonators with low-
frequency resonant vibrations. The special dynamic effects of the resonators are highlighted …

[HTML][HTML] Vibrations and elastic waves in chiral multi-structures

MJ Nieves, G Carta, IS Jones, AB Movchan… - Journal of the …, 2018 - Elsevier
We develop a new asymptotic model of the dynamic interaction between an elastic structure
and a system of gyroscopic spinners that make the overall multi-structure chiral. An …