Orthogonal polynomial methods for modeling elastodynamic wave propagation in elastic, piezoelectric and magneto-electro-elastic composites—A review

C Othmani, H Zhang, C Lü, YQ Wang, AR Kamali - Composite Structures, 2022 - Elsevier
The growing usage of elastic, piezoelectric and magneto-electro-elastic composites has
motivated the scientific and industrial communities to develop new numerical methods …

[HTML][HTML] Effects of initial stresses on guided wave propagation in multilayered PZT-4/PZT-5A composites: A polynomial expansion approach

C Othmani, H Zhang, C Lü - Applied Mathematical Modelling, 2020 - Elsevier
Abstract Effects of initial stresses on the dispersion curves of Lamb and SH waves in
multilayered PZT-4/PZT-5A composites are investigated using the polynomial expansion …

Meta-ring for enhancing emission efficiency of omnidirectional SH waves

HJ Kim, CI Park, K Kim, YY Kim - International Journal of Mechanical …, 2023 - Elsevier
The intensity of a wave emitted by a transducer affects its performance critically, especially
when the emitted wave is omnidirectional. However, the development of omnidirectional …

Comparative study of the flexoelectricity effect with a highly/weakly interface in distinct piezoelectric materials (PZT-2, PZT-4, PZT-5H, LiNbO3, BaTiO3)

A Singhal, H Mohammad Sedighi… - Waves in Random …, 2021 - Taylor & Francis
A comparative study of Love-type wave vibrations in a distinct piezoelectric (PE) material
thin film with a highly and weakly dielectric interface with an elastic pre-stressed elastic plate …

[HTML][HTML] Analysis of different boundary types on wave velocity in bedded piezo-structure with flexoelectric effect

S Nirwal, SA Sahu, A Singhal, J Baroi - Composites Part B: Engineering, 2019 - Elsevier
This research article manifests the influence of mechanically and dielectrically conducting
interface on the characteristics of surface wave transmission in a piezo-structure with …

Generalized Rayleigh waves in a multi-layered structure of porous piezoelectric materials overlying a functionally graded porous piezoelectric base

AK Vashishth, V Gupta, U Bareja - Thin-Walled Structures, 2024 - Elsevier
Functionally graded materials (FGM) are materials in which there is a gradual variation in
functional properties of the material so as to make it useful for different purposes. The life …

Lamb wave propagation in anisotropic multilayered piezoelectric laminates made of PVDF-θ° with initial stresses

C Othmani, H Zhang - Composite Structures, 2020 - Elsevier
In this paper, the influence of an initial stresses on the Lamb waves propagation in an
anisotropic multilayered piezoelectric laminates is investigated. Formulations are given for …

Effects of initial stresses on the electromechanical coupling coefficient of SH wave propagation in multilayered PZT-5H structures

C Othmani, H Zhang, C Lü, F Takali - The European Physical Journal Plus, 2019 - Springer
The electromechanical coupling factor (K 2) presents a key parameter in acoustic devices
that reflects the influence of piezoelectricity on the phase velocity of elastic waves. The …

Effect of interfacial imperfection on shear wave propagation in a piezoelectric composite structure: Wentzel–Kramers–Brillouin asymptotic approach

P Kumar, M Mahanty… - Journal of Intelligent …, 2019 - journals.sagepub.com
The primary objective of this article is to investigate the behaviour of horizontally polarized
shear (SH) wave propagation in piezoelectric composite structure consisting of functionally …

[HTML][HTML] Optimal concentration of holes and electrons in semiconductors for energy harvesting based on love waves propagation in a PSC film/substrate

H Boukhriss, IB Salah, A Njeh, F Takali… - Materials Today …, 2024 - Elsevier
Published papers on the topic of acoustic waves in piezoelectric semiconductor (PSC)
material often deal separately with the concentrations of holes and electrons. The only …