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 …

Functionally graded piezoelectric medium exposed to a movable heat flow based on a heat equation with a memory-dependent derivative

AE Abouelregal, H Ahmad, SW Yao - Materials, 2020 - mdpi.com
The current work deals with the study of a thermo-piezoelectric modified model in the context
of generalized heat conduction with a memory-dependent derivative. The investigations of …

Multi-field coupling and free vibration of a sandwiched functionally-graded piezoelectric semiconductor plate

X Fang, Q He, H Ma, C Zhu - Applied Mathematics and Mechanics, 2023 - Springer
Sandwiched functionally-graded piezoelectric semiconductor (FGPS) plates possess high
strength and excellent piezoelectric and semiconductor properties, and have significant …

Torsion of a piezoelectric semiconductor rod of cubic crystals with consideration of warping and in-plane shear of its rectangular cross section

Y Qu, F Jin, J Yang - Mechanics of Materials, 2022 - Elsevier
We study the torsion of a piezoelectric semiconductor rod of cubic crystals with a rectangular
cross section. The warping and shear deformation of the cross section are also considered …

Theoretical study of elastic wave propagation through a functionally graded micro-structured plate base on the modified couple-stress theory

C Liu, J Yu, W Xu, X Zhang, B Zhang - Meccanica, 2020 - Springer
In this paper, two different methods, Legendre orthogonal polynomial method (LOPM) and
Global matrix method (GMM), are combined with the couple-stress theory to investigate the …

Temperature-induced potential barriers in piezoelectric semiconductor films through pyroelectric and thermoelastic couplings and their effects on currents

Y Qu, F Jin, J Yang - Journal of Applied Physics, 2022 - pubs.aip.org
We study temperature effects in piezoelectric semiconductor thin films through pyroelectric
and thermoelastic as well as piezoelectric couplings. Two-dimensional equations based on …

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 …

Modeling guided wave propagation in multi-layered anisotropic composite laminates by state-vector formalism and the Legendre polynomials

J Gao, Y Lyu, M Zheng, M Liu, H Liu, B Wu, C He - Composite Structures, 2019 - Elsevier
This research presents a numerical method to analyze the propagation characteristics of
guided waves in multi-layered anisotropic composite laminates. The dispersion equations …

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 …