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Topology optimization of two-dimensional magnetorheological elastomer phononic crystal plate with tunable bandgap considering a specified target frequency
Phononic crystals with tunable bandgap characteristics have attracted increasing research interest. In order to design the widest tunable bandgap, a...
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Bandgap characteristics of the two-dimensional missing rib lattice structure
In this paper, the bandgap characteristics of a missing rib lattice structure composed of beam elements are investigated by using the Floquet-Bloch...
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Flexural wave bandgap properties of phononic crystal beams with interval parameters
Uncertainties are unavoidable in practical engineering, and phononic crystals are no exception. In this paper, the uncertainties are treated as the...
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Reconfigurable metamaterial for asymmetric and symmetric elastic wave absorption based on exceptional point in resonant bandgap
Elastic wave absorption at subwavelength scale is of significance in many engineering applications. Non-Hermitian metamaterials show the ability in...
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Bandgap optimization in combinatorial graphs with tailored ground states: application in quantum annealing
A mixed-integer linear programming (MILP) formulation is presented for parameter estimation of the Potts model. Two algorithms are developed; the...
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Do** Effect on Bandgap Energy and Luminescence Spectrum for AlN-Based Semiconductor
This ongoing work reports the heavy do** effect on the Aluminum Nitride (AlN) semiconductor (SC) material, illustrated via its energy-band...
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Modeling and analysis of gradient metamaterials for broad fusion bandgaps
A gradient metamaterial with varying-stiffness local resonators is proposed to open the multiple bandgaps and further form a broad fusion bandgap....
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A low-frequency and broadband wave-insulating vibration isolator based on plate-shaped metastructures
A metamaterial vibration isolator, termed as wave-insulating isolator, is proposed, which preserves enough load-bearing capability and offers...
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Elastic metamaterials with fractional-order resonators
Elastic metamaterials incorporating locally resonating unit cells can create bandgap regions with lower vibration transmissibility at longer...
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Acoustic Bandgap Calculation of Liquid Phononic Crystals via the Meshless Generalized Finite Difference Method
This paper presents a recently developed meshless collocation method, the generalized finite difference method (GFDM), to calculate the acoustic...
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Mass-spring model for elastic wave propagation in multilayered van der Waals metamaterials
Multilayered van der Waals (vdW) materials have attracted increasing interest because of the manipulability of their superior optical, electrical,...
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Anti-plane surface waves of an elastic half-space coated with a metacomposite layer
Inspired by recent research interest in metasurfaces, an effective medium model is presented to study anti-plane (Love) surface waves of an elastic...
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Effects of time-delayed vibration absorber on bandwidth of beam for low broadband vibration suppression
The effects of time-delayed vibration absorber (TDVA) on the dynamic characteristics of a flexible beam are investigated. First, the vibration...
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Symplectic analysis for regulating wave propagation in a one-dimensional nonlinear graded metamaterial
An analytical method, called the symplectic mathematical method, is proposed to study the wave propagation in a spring-mass chain with gradient...
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Bandgaps and vibration isolation of local resonance sandwich-like plate with simply supported overhanging beam
The concept of local resonance phononic crystals proposed in recent years provides a new chance for theoretical and technical breakthroughs in the...
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Simulation on Optical Absorption for Amorphous Silicon Thin Film Solar Cell with CdSe/ZnS Quantum Dots
The light absorption peaks of the cadmium selenide/zinc sulphide (CdSe/ZnS) core/shell spherical quantum dots (QDs) are different, proportional to...
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First-Principle Study of Cl Functionalized Armchair AlN Nanoribbons
Density functional theory-based first-principle calculations have been performed to study the structural and electronic properties of Cl...
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Theoretical analysis of surface waves in piezoelectric medium with periodic shunting circuits
The investigations of surface waves in the piezoelectric medium bring out great possibility in designing smart surface acoustic wave (SAW) devices....
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Electro-mechanical coupling properties of band gaps in an elastic/piezoelectric phononic crystal nonlocal nanobeam with periodically attached “spring-mass” resonators
The model of a locally resonant (LR) epoxy/PZT-4 phononic crystal (PC) nanobeam with “spring-mass” resonators periodically attached to epoxy is...