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 …
Buckling induced negative stiffness mechanical metamaterial for bandgap tuning
K Zhang, L Qi, P Zhao, C Zhao, Z Deng - Composite Structures, 2023 - Elsevier
Negative-stiffness mechanical metamaterials that can achieve bandgap tuning are a novel
area of intense interest, enabling vibration control as well as a wide range of mechanical …
area of intense interest, enabling vibration control as well as a wide range of mechanical …
Tunable bandgaps in soft phononic plates with spring-mass-like resonators
Controlling band gaps of phononic crystals in real time through external stimuli (eg
mechanical loadings, electric fields, and magnetic fields) shows potential applications in …
mechanical loadings, electric fields, and magnetic fields) shows potential applications in …
Lightweight architected lattice phononic crystals with broadband and multiband vibration mitigation characteristics
A novel architected lattice metamaterial with broadband and multiband bandgap
characteristics is studied here. A slight structural modification in a regular lattice structure …
characteristics is studied here. A slight structural modification in a regular lattice structure …
Harnessing inclusions to tune post-buckling deformation and bandgaps of soft porous periodic structures
The emergence of phononic crystals paves a new way for manipulating elastic waves in
structures for their particular bandgap properties. In this paper, the two-dimensional soft …
structures for their particular bandgap properties. In this paper, the two-dimensional soft …
Harnessing post-buckling deformation to tune sound absorption in soft Helmholtz absorbers
Helmholtz resonator (HR) has always been an important part of artificial sound-absorbing
materials, most of which however cannot be tuned in real time and hence have a limited …
materials, most of which however cannot be tuned in real time and hence have a limited …
Pneumatic soft phononic crystals with tunable band gap
X Liu, N Chen, J Jiao, J Liu - International Journal of Mechanical Sciences, 2023 - Elsevier
Tuning the band gap by mechanically generating deformation of soft phononic crystals
provides an effective means to manipulate the propagation of acoustic waves. In this paper …
provides an effective means to manipulate the propagation of acoustic waves. In this paper …
Tunable characteristics of low-frequency bandgaps in two-dimensional multivibrator phononic crystal plates under prestrain
In view of the influence of variability of low-frequency noise frequency on noise prevention in
real life, we present a novel two-dimensional tunable phononic crystal plate which is …
real life, we present a novel two-dimensional tunable phononic crystal plate which is …
A pneumatic soft acoustic metamaterial through modular design
K Zhang, N Chen, W Zhu, J Liu - International Journal of Mechanical …, 2024 - Elsevier
Tunable acoustic metamaterials have excellent sound waves control and manipulation
properties because of their deformations under different stimuli. Pneumatic actuation has …
properties because of their deformations under different stimuli. Pneumatic actuation has …
[HTML][HTML] Effects of strain stiffening and electrostriction on tunable elastic waves in compressible dielectric elastomer laminates
This paper presents an electromechanical analysis of the nonlinear static response and the
superimposed small-amplitude wave characteristics in an infinite periodic compressible …
superimposed small-amplitude wave characteristics in an infinite periodic compressible …