Elastic wave harvesting in piezoelectric-defect-introduced phononic crystal microplates
The localization of elastic wave at defect in phononic crystals (PnCs) has been applied to
design piezoelectric energy harvesting (PEH) devices. However, the earlier researches …
design piezoelectric energy harvesting (PEH) devices. However, the earlier researches …
Novel cross shape phononic crystals with broadband vibration wave attenuation characteristic: Design, modeling and testing
In this paper, elastic wave dispersion characteristics of two novel unit-cells are numerically
and experimentally studied. Based on Bloch's theorem for infinite cellular structures, the …
and experimentally studied. Based on Bloch's theorem for infinite cellular structures, the …
Investigation of size effect on band structure of 2D nano-scale phononic crystal based on nonlocal strain gradient theory
J **, N Hu, H Hu - International Journal of Mechanical Sciences, 2022 - Elsevier
Phononic crystal (PnC) has attracted strong attention due to its tremendous capabilities to
manipulate acoustic and elastodynamic waves. For high frequency (gigahertz) PnC, the size …
manipulate acoustic and elastodynamic waves. For high frequency (gigahertz) PnC, the size …
Active/passive tuning of wave propagation in phononic microbeams via piezoelectric patches
In this paper, size-dependent microbeams made of functionally graded materials (FGMs)
with periodic arrays of auxiliary piezoelectric springs are considered small-sized phononic …
with periodic arrays of auxiliary piezoelectric springs are considered small-sized phononic …
Conventional and star-shaped auxetic materials for the creation of band gaps
A band gap region, or simply a band gap, is a range of frequencies where vibrations of
certain frequency ranges are isolated. In the present paper, such ranges are sought through …
certain frequency ranges are isolated. In the present paper, such ranges are sought through …
[HTML][HTML] Band gaps for wave propagation in 2-D periodic three-phase composites with coated star-shaped inclusions and an orthotropic matrix
A new model for determining band gaps for wave propagation in two-dimensional (2-D)
periodic three-phase composites containing coated star-shaped inclusions and an …
periodic three-phase composites containing coated star-shaped inclusions and an …
Band structure analysis of Green-Naghdi-based thermoelastic wave propagation in cylindrical phononic crystals with energy dissipation using a meshless collocation …
In this paper, a meshless collocation method based on the generalized finite difference
(GFD) method is employed for the band structure analysis of thermoelastic waves …
(GFD) method is employed for the band structure analysis of thermoelastic waves …
Bandgap and its defect band analysis of flexoelectric effect in phononic crystal plates
The wave equations of a novel model for the electro-elastic Kirchhoff plate containing the
flexoelectric effect are constructed using a variational formulation. Through an Improved …
flexoelectric effect are constructed using a variational formulation. Through an Improved …
Elastic wave propagation in 3-D periodic composites: band gaps incorporating microstructure effects
A new model for determining band gaps for elastic wave propagation in three-dimensional
(3-D) periodic two-phase composites is developed using a modified couple stress theory …
(3-D) periodic two-phase composites is developed using a modified couple stress theory …
A non-classical couple stress based Mindlin plate finite element framework for tuning band gaps of periodic composite micro plates
Composite micro plates with periodic microstructure at very small length scale have been a
focus of intensive research. When length scale of the microstructure descends below …
focus of intensive research. When length scale of the microstructure descends below …