Pendulum-based vibration energy harvesting: Mechanisms, transducer integration, and applications

T Wang - Energy Conversion and Management, 2023 - Elsevier
Vibration energy harvesting is a promising approach to provide wireless sensors and
portable electronics with sustainable power by converting ambient kinetic energy into …

Homotopy perturbation method for strongly nonlinear oscillators

JH He, ML Jiao, KA Gepreel, Y Khan - Mathematics and Computers in …, 2023 - Elsevier
This paper reveals the effectiveness of the homotopy perturbation method for strongly
nonlinear oscillators. A generalized Duffing oscillator is adopted to elucidate the solving …

Fractal dimensions of a porous concrete and its effect on the concrete's strength

CH He, C Liu - Facta Universitatis, Series: Mechanical …, 2023 - casopisi.junis.ni.ac.rs
All mechanical properties of a porous medium depend upon its fractal dimensions, however,
how to measure the fractal dimensions is still an open issue. This paper adopts the two …

Simplified Hamiltonian-based frequency-amplitude formulation for nonlinear vibration systems

H Ma - Facta Universitatis, Series: Mechanical Engineering, 2022 - casopisi.junis.ni.ac.rs
The Hamiltonian-based frequency formulation has been hailed as an unprecedented
success for it gives a straightforward insight into a complex nonlinear vibration system with …

Mini-review on periodic properties of MEMS oscillators

Y Tian, Y Shao - Frontiers in Physics, 2024 - frontiersin.org
This paper features a survey of the periodic property of micro-electro-mechanical systems by
the homotopy perturbation method, the variational iteration method, the variational theory …

Vibrational and stability analysis of planar double pendulum dynamics near resonance

TS Amer, GM Moatimid, SK Zakria, AA Galal - Nonlinear Dynamics, 2024 - Springer
The focus of this paper is to examine the motion of a novel double pendulum (DP) system
with two degrees of freedom (DOF). This system operates under specific constraints to follow …

[HTML][HTML] Modeling of the vibration and stability of a dynamical system coupled with an energy harvesting device

MK Abohamer, J Awrejcewicz, TS Amer - Alexandria Engineering Journal, 2023 - Elsevier
This paper studies the vibrational motion of a dynamical system connected to an
electromagnetic device, which is one of the energy harvesting (EH) devices that transform …

Intelligent nanomaterials for solar energy harvesting: from polar bear hairs to unsmooth nanofiber fabrication

Q Wang, JH He, Z Liu - Frontiers in Bioengineering and …, 2022 - frontiersin.org
Polar bears can live in an extremely cold environment due to their hairs which possess
some remarkable properties. The hollow structure of the hair enables the bear to absorb …

[HTML][HTML] An analytical solution of the fractal toda oscillator

G Feng, J Niu - Results in Physics, 2023 - Elsevier
In this paper, the fractal Toda oscillator is established by using the fractal variational theory
and the exact analytical solution is obtained by the non-perturbative method. Also …

Modeling and analysis of a piezoelectric transducer embedded in a nonlinear damped dynamical system

MK Abohamer, J Awrejcewicz, TS Amer - Nonlinear Dynamics, 2023 - Springer
This paper focuses on the dynamical analysis of the motion of a new three-degree-of-
freedom (DOF) system consisting of two segments that are attached together. External …