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 …

Nonlinear coherent structures in granular crystals

C Chong, MA Porter, PG Kevrekidis… - Journal of Physics …, 2017 - iopscience.iop.org
The study of granular crystals, which are nonlinear metamaterials that consist of closely
packed arrays of particles that interact elastically, is a vibrant area of research that combines …

Metamaterials with amplitude gaps for elastic solitons

B Deng, P Wang, Q He, V Tournat, K Bertoldi - Nature communications, 2018 - nature.com
We combine experimental, numerical, and analytical tools to design highly nonlinear
mechanical metamaterials that exhibit a new phenomenon: gaps in amplitude for elastic …

Experimental demonstration of a dissipative multi-resonator metamaterial for broadband elastic wave attenuation

MV Barnhart, X Xu, Y Chen, S Zhang, J Song… - Journal of Sound and …, 2019 - Elsevier
Elastic metamaterials (EMMs) encompass a relatively new class of composite materials that
exhibit unique dynamic effective material properties and possess the ability to mitigate or …

Wave propagation in single column woodpile phononic crystals: Formation of tunable band gaps

E Kim, J Yang - Journal of the Mechanics and Physics of Solids, 2014 - Elsevier
We study the formation of frequency band gaps in single column woodpile phononic crystals
composed of orthogonally stacked slender cylinders. We focus on investigating the effect of …

[图书][B] Topics on the nonlinear dynamics and acoustics of ordered granular media

Y Starosvetsky, KR Jayaprakash, MA Hasan… - 2017 - World Scientific
The study of mechanics of granular media dates back to the era of Coulomb. He was the first
to postulate the yield condition for homogeneous solids and also conditions for failure in …

Nonlinear periodic phononic structures and granular crystals

G Theocharis, N Boechler, C Daraio - Acoustic Metamaterials and …, 2013 - Springer
This chapter describes the dynamic behavior of nonlinear periodic phononic structures,
along with how such structures can be utilized to affect the propagation of mechanical …

Pulse mitigation in ordered granular structures: from granular chains to granular networks

M Espinosa, EP Calius, A Hall, G Dodd, R Das - Nonlinear Dynamics, 2024 - Springer
Ordered granular structures have garnered considerable attention across various fields due
to their capacity to manipulate the transmission of mechanical energy and mitigate the …

Nonlinear hysteretic torsional waves

J Cabaret, P Béquin, G Theocharis, V Andreev… - Physical Review Letters, 2015 - APS
We theoretically study and experimentally report the propagation of nonlinear hysteretic
torsional pulses in a vertical granular chain made of cm-scale, self-hanged magnetic beads …

Analysis and experimental estimation of nonlinear dispersion in a periodic string

KL Manktelow, MJ Leamy… - … of Vibration and …, 2014 - asmedigitalcollection.asme.org
Wave dispersion in a string carrying periodically distributed masses is investigated
analytically and experimentally. The effect of the string's geometric nonlinearity on its wave …