Tunable and active phononic crystals and metamaterials

YF Wang, YZ Wang, B Wu… - Applied …, 2020 - asmedigitalcollection.asme.org
Phononic crystals (PCs) and metamaterials (MMs) can exhibit abnormal properties, even far
beyond those found in nature, through artificial design of the topology or ordered structure of …

Exploiting microstructural instabilities in solids and structures: from metamaterials to structural transitions

DM Kochmann, K Bertoldi - Applied …, 2017 - asmedigitalcollection.asme.org
Instabilities in solids and structures are ubiquitous across all length and time scales, and
engineering design principles have commonly aimed at preventing instability. However …

Non-reciprocal topological solitons in active metamaterials

J Veenstra, O Gamayun, X Guo, A Sarvi, CV Meinersen… - Nature, 2024 - nature.com
From protein motifs to black holes, topological solitons are pervasive nonlinear excitations
that are robust and can be driven by external fields. So far, existing driving mechanisms all …

Design and numerical validation of quasi-zero-stiffness metamaterials for very low-frequency band gaps

C Cai, J Zhou, L Wu, K Wang, D Xu, H Ouyang - Composite structures, 2020 - Elsevier
A novel one-dimensional quasi-zero-stiffness (QZS) metamaterial is proposed to acquire
very low-frequency band gaps. The representative unit cell (RUC) of the QZS metamaterials …

Snapping mechanical metamaterials under tension

A Rafsanjani, A Akbarzadeh, D Pasini - arXiv preprint arXiv:1612.05987, 2016 - arxiv.org
We present a monolithic mechanical metamaterial comprising a periodic arrangement of
snapping units with tunable tensile behavior. Under tension, the metamaterial undergoes a …

Stable propagation of mechanical signals in soft media using stored elastic energy

JR Raney, N Nadkarni, C Daraio… - Proceedings of the …, 2016 - National Acad Sciences
Soft structures with rationally designed architectures capable of large, nonlinear deformation
present opportunities for unprecedented, highly tunable devices and machines. However …

Magnetoactive acoustic metamaterials

K Yu, NX Fang, G Huang, Q Wang - Advanced Materials, 2018 - Wiley Online Library
Acoustic metamaterials with negative constitutive parameters (modulus and/or mass density)
have shown great potential in diverse applications ranging from sonic cloaking, abnormal …

Review of exploiting nonlinearity in phononic materials to enable nonlinear wave responses

GU Patil, KH Matlack - Acta Mechanica, 2022 - Springer
Phononic materials are periodically arranged building blocks in the form of material
properties, geometries, and/or boundary conditions. This synthetic architecture makes …

An energy dissipation metamaterial based on Coulomb friction and vibration

W Lv, P Yu, D Li - International Journal of Mechanical Sciences, 2024 - Elsevier
Compared with traditional energy dissipation structures, negative stiffness metamaterials
can repeatedly dissipate energy without incurring irreversible plastic deformation. The …

Bistable attachments for wideband nonlinear vibration attenuation in a metamaterial beam

Y Xia, M Ruzzene, A Erturk - Nonlinear Dynamics, 2020 - Springer
This work investigates the amplitude-dependent dynamics of a locally resonant
metamaterial beam with bistable attachments. The concept that was previously …