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Experimental Study on Wave Propagation in One-Dimensional Viscoelastic Metamaterial
A locally resonant viscoelastic mass-spring cell is experimentally realized by a unit cell design fabricated by 3D printing. The standard linear...
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Wave propagation analysis of functionally graded graphene origami-enabled auxetic metamaterial beams resting on an elastic foundation
Our study employs the Timoshenko beam theory to thoroughly investigate the propagation of waves in auxetic metamaterial beams enabled by functionally...
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Static and Dynamic Characterization of a Vibration Decoupling Element Based on a Metamaterial Structure
When targeting vibration isolation, metamaterials do represent very powerful solutions, given the extreme design flexibility that can be introduced....
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Plate-based cylinder metamaterial with negative Poisson’s ratio and outstanding mechanical performance
Plate-based cellular materials exhibit greater stiffness and strength than conventional cellular materials formed by struts. In this study, we...
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Wave attenuation in 1-D viscoelastic periodic structures with thermal effects
The influence of temperature on the unit cell wave attenuation of 1-D viscoelastic periodic structures is important for the design of phononic...
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Influence of cell parameters in local resonator-based metamaterials
Band gap characteristic of flexural metamaterial beams has been an active area of research for its potential application in providing low-frequency...
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Forced vibration analysis of a sandwich beam with functionally porous faces and viscoelastic core using Golla–Hughes–McTavish model
In this paper, the forced vibration of a functionally porous sandwich beam with a viscoelastic core has been investigated. The upper and lower layers...
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Time domain homogenisation of elastic and viscoelastic metamaterials
The mechanical behaviour of metamaterials typically depends on their microstructural configuration and composition, in addition to their relative...
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3D wave dispersion analysis of graphene platelet-reinforced ultra-stiff double functionally graded nanocomposite sandwich plates with metamaterial honeycomb core layer
This research addresses the three-dimensional thermomechanical wave propagation behavior in sandwich composite nanoplates with a metamaterial...
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A reduced-order computational homogenization framework for locally resonant metamaterial structures
A computational homogenization framework is presented to study the dynamics of locally resonant acoustic metamaterial structures. Modelling the...
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Design Optimization of 3D Printed Chiral Metamaterials with Simultaneous High Stiffness and High Dam**
For vibration mitigation and impact resistance, energy dissipation is desired in mechanical and aerospace structures to ensure their required loading...
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Auxetic metamaterial pre-twisted helical nanobeams: vibrational characteristics
The current investigation pertains to the vibrational characteristics of an out-of-plane helical nanobeam composed of auxetic material. This study...
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Negative Poisson’s ratio locally resonant seismic metamaterials vibration isolation barrier
In recent decades, the application of seismic metamaterials to protect civil infrastructures being free of the damage of earthquakes has been...
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A Vibration Analysis of a Thick Micro Sandwich Panel with Metamaterial or Porous Core and Carbon Nanotubes/Graphene Platelets Reinforced Composite Based on HSDT and NSGT
In the present study, vibration analysis of thick walled sandwich panel reinforced by nanocomposite facesheets based on higher-order shear...
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Active tunability of band gaps for a novel elastic metamaterial plate
A novel active elastic metamaterial plate is proposed, with tunable vibration band-gap characteristics is by using the periodically placed...
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Complex band structure and attenuation performance of a viscoelastic phononic crystal with finite out-of-plane extension
To gain a complete view on the unique spatial attenuation phenomenon arising from the periodicity and the material viscoelasticity of the...
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Vibration Isolation Performance of a Novel Metamaterials Sandwich Cylindrical Panel by Locally Resonant Band Gap
PurposeCylindrical shells are often subjected to external harmonic excitation during their lifetime, making vibration isolation crucial. In this...
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A topology optimisation of composite elastic metamaterial slabs based on the manipulation of far-field behaviours
We propose a numerical method for a topology optimisation of composite elastic metamaterial slabs. We aim to realise some anomalous functionalities...
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Reduced Linear Viscoelastic Isotropic Cosserat Medium with Translational Viscosity: A Double Negative Acoustic Metamaterial
We investigate here the influence of translational viscosity on the plane shear-rotational wave propagation in the linear isotropic reduced Cosserat...
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Research on embedded locally resonant metamaterials used for vibration attenuation of thin-walled workpieces in mirror milling
The shell composed of large-scale parts is the essential component of mechanical structures in the aerospace, ship**, and railway industries. These...
