Tunable and active phononic crystals and metamaterials
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 …
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 …
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 …
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
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 …
very low-frequency band gaps. The representative unit cell (RUC) of the QZS metamaterials …
Snapping mechanical metamaterials under tension
We present a monolithic mechanical metamaterial comprising a periodic arrangement of
snapping units with tunable tensile behavior. Under tension, the metamaterial undergoes a …
snapping units with tunable tensile behavior. Under tension, the metamaterial undergoes a …
Stable propagation of mechanical signals in soft media using stored elastic energy
Soft structures with rationally designed architectures capable of large, nonlinear deformation
present opportunities for unprecedented, highly tunable devices and machines. However …
present opportunities for unprecedented, highly tunable devices and machines. However …
Magnetoactive acoustic metamaterials
Acoustic metamaterials with negative constitutive parameters (modulus and/or mass density)
have shown great potential in diverse applications ranging from sonic cloaking, abnormal …
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 …
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 …
can repeatedly dissipate energy without incurring irreversible plastic deformation. The …
Bistable attachments for wideband nonlinear vibration attenuation in a metamaterial beam
This work investigates the amplitude-dependent dynamics of a locally resonant
metamaterial beam with bistable attachments. The concept that was previously …
metamaterial beam with bistable attachments. The concept that was previously …