Fatigue in piezoelectric ceramic vibrational energy harvesting: A review
R Salazar, M Serrano, A Abdelkefi - Applied Energy, 2020 - Elsevier
Piezoelectric energy harvesters have been thoroughly investigated from a material or
mechanical application viewpoint. The need to understand the potential lifespan of these …
mechanical application viewpoint. The need to understand the potential lifespan of these …
A computationally efficient finite element framework to simulate additive manufacturing processes
S Jayanath, A Achuthan - Journal of …, 2018 - asmedigitalcollection.asme.org
Macroscale finite element (FE) models, with their ability to simulate additive manufacturing
(AM) processes of metal parts and accurately predict residual stress distribution, are …
(AM) processes of metal parts and accurately predict residual stress distribution, are …
Effects of nonlinear piezoelectric coupling on energy harvesters under direct excitation
A Abdelkefi, AH Nayfeh, MR Hajj - Nonlinear Dynamics, 2012 - Springer
A nonlinear analysis of an energy harvester consisting of a multilayered cantilever beam
with a tip mass is performed. The model takes into account geometric, inertia, and …
with a tip mass is performed. The model takes into account geometric, inertia, and …
Electric field-induced nonlinear behavior of lead zirconate titanate piezoceramic actuators in bending mode
In this article, analytical solutions of piezoelectric bimorph and unimorph actuator in
cantilever configurations are developed using the second-order constitutive equation. Tip …
cantilever configurations are developed using the second-order constitutive equation. Tip …
Phase-controlled frequency response measurement of a piezoelectric ring at high vibration amplitude
S Mojrzisch, J Twiefel - Archive of Applied Mechanics, 2016 - Springer
This article presents the measurement of the first-order frequency response function (FRF)
for a piezoelectric ceramic ring at high vibration amplitudes. Due to the softening-type …
for a piezoelectric ceramic ring at high vibration amplitudes. Due to the softening-type …
Nonlinear analysis of a piezoelectric energy harvester in body undulatory caudal fin aquatic unmanned vehicles
R Salazar, A Abdelkefi - Applied Energy, 2020 - Elsevier
Body caudal fin (BCF) locomotion aquatic unmanned vehicles (AUVs) are making critical
transitions to full autonomous systems but have challenge in endurance. Therefore …
transitions to full autonomous systems but have challenge in endurance. Therefore …
Nonlinear dynamic modeling of bimorph piezoelectric actuators using modified constitutive equations caused by material nonlinearity
ZH Ahoor, H Ghafarirad… - Mechanics of Advanced …, 2021 - Taylor & Francis
Commonly, linear constitutive equations have been utilized for describing the
electromechanical behavior of piezoelectric actuators. These equations are valid for low …
electromechanical behavior of piezoelectric actuators. These equations are valid for low …
Investigation of the effects of the piezoelectric patch thickness and tapering on the nonlinearity of a parabolic converging width vibration energy harvester
Purpose It has been shown that the tapering cross-section energy harvesters' responses at
high excitation amplitudes diminish due to nonlinear effects. The nonlinearities can be …
high excitation amplitudes diminish due to nonlinear effects. The nonlinearities can be …
Study the effect of tapering on the nonlinear behavior of an exponentially varying width piezoelectric energy harvester
It has been shown that exponentially tapering the width of a vibration-based piezoelectric
energy harvester will result in increasing electric power per mass in a specified frequency. In …
energy harvester will result in increasing electric power per mass in a specified frequency. In …
High order analysis of a nonlinear piezoelectric energy harvesting of a piezo patched cantilever beam under parametric and direct excitations
C Adoukatl, GE Ntamack, L Azrar - Mechanics of Advanced …, 2023 - Taylor & Francis
In this paper, the nonlinear dynamics of a piezoelectric beam under simultaneous
parametric and external excitation is studied. The energy sensor considered is composed of …
parametric and external excitation is studied. The energy sensor considered is composed of …