Isotacticity in chiral phononic crystals for low-frequency bandgap
Realizing a low-frequency and broad bandgap is extremely challenging because the lattice
constant, equivalent stiffness, and equivalent density must be taken into account in practice …
constant, equivalent stiffness, and equivalent density must be taken into account in practice …
Novel hybrid-controlled graded metamaterial beam for bandgap tuning and wave attenuation
In this paper, a tunable functionally graded metamaterial beam is designed for flexural wave
attenuation by integrating piezomagnetic shunt dam** system and inertial amplification …
attenuation by integrating piezomagnetic shunt dam** system and inertial amplification …
Description of bandgaps opening in chiral phononic crystals by analogy with Thomson scattering
Chiral phononic crystals (PnCs) provide unique properties not offered by conventional
metamaterial based on classic Bragg scattering and local resonance. However, it is …
metamaterial based on classic Bragg scattering and local resonance. However, it is …
Sound transmission of truss-based X-shaped inertial amplification metamaterial double panels
To enhance the low-frequency sound insulation performance of conventional double panels,
this work proposes a truss-based X-shape inertial amplification (TXIA) metamaterial double …
this work proposes a truss-based X-shape inertial amplification (TXIA) metamaterial double …
Broadband surface wave attenuation in porous soil by elastic metasurfaces
A Ni, Z Shi, Q Meng - International Journal of Mechanical Sciences, 2024 - Elsevier
To mitigate surface waves in ambient vibration, a novel broadband elastic metasurface is
proposed by periodically burying the layered in-filled pipes below the ground surface. The …
proposed by periodically burying the layered in-filled pipes below the ground surface. The …
Low-frequency vibration attenuation of metamaterial sandwich plate with lever-type inertial amplified resonators
L Gao, CM Mak, C Cai - Thin-Walled Structures, 2024 - Elsevier
The utilization of sandwich plate structures is widespread across diverse engineering fields
owing to their advantageous high stiffness-to-weight ratio properties. However, these …
owing to their advantageous high stiffness-to-weight ratio properties. However, these …
Three-dimensional ultra-wide elastic metamaterial with inertial amplification mechanisms having optimized flexure hinges
The aim of this paper is to obtain an ultra-wide low-frequency stop band in three dimensions
by using inertial amplification mechanisms. A two-stage remote center flexure mechanism …
by using inertial amplification mechanisms. A two-stage remote center flexure mechanism …
Beam-type metastructure with X-shape inertial amplification mechanisms for vibration suppression
A new type of beam-type metastructure periodically attaching single-or multi-stage X-shape
inertial amplification (XIA) mechanisms is designed to realize efficient elastic wave …
inertial amplification (XIA) mechanisms is designed to realize efficient elastic wave …
Lever-type inertial amplification plates for low-frequency vibration reduction
In this work, a lever-type inertial amplification (LIA) metastructure is proposed to enhance the
vibration reduction capability of thin plates in the low-frequency range. The mechanism …
vibration reduction capability of thin plates in the low-frequency range. The mechanism …
Engineered metagrating as shield from surface Rayleigh waves
W Liu, R Zheng - Mechanics of Advanced Materials and Structures, 2024 - Taylor & Francis
Rayleigh wave isolation using metamaterials is a research hotspot in the engineering
community, yet the development of relevant mitigation methods remains an open and …
community, yet the development of relevant mitigation methods remains an open and …