Modeling and design of Galfenol unimorph energy harvesters

Z Deng, MJ Dapino - Smart Materials and Structures, 2015 - iopscience.iop.org
This article investigates the modeling and design of vibration energy harvesters that utilize
iron-gallium (Galfenol) as a magnetoelastic transducer. Galfenol unimorphs are of particular …

Two-dimensional dynamic model for composite laminates with embedded magnetostrictive materials

S Santapuri, JJ Scheidler, MJ Dapino - Composite Structures, 2015 - Elsevier
A nonlinear, two-dimensional plate model is presented that describes the dynamic response
of composite laminate structures with embedded magnetostrictive materials. The model …

Nonlinear modeling and characterization of the Villari effect and model-guided development of magnetostrictive energy harvesters and dampers

Z Deng - 2015 - rave.ohiolink.edu
The Villari effect, through which mechanical energy is transferred to magnetic energy in
magnetostrictive materials can be utilized in energy harvester and damper designs …

Magnetostrictive devices

MJ Dapino, Z Deng, FT Calkins… - Wiley Encyclopedia of …, 1999 - Wiley Online Library
Magnetostrictive materials exhibit coupling between magnetic and mechanical energies.
This bidirectional energy exchange can be employed for actuation, sensing, and energy …

Comparative study of energy harvesting performance of magnetoelectric composite-based piezoelectric beams subject to varying magnetic field

Z Ren, L Tang, J Zhao, S Zhang, C Liu… - Smart Materials and …, 2022 - iopscience.iop.org
Magnetostrictive materials with good mechanical properties can effectively convert the
alternating magnetic energy in the environment into mechanical vibrations via the …

Influence of electrical impedance and mechanical bistability on Galfenol-based unimorph harvesters

Z Deng, MJ Dapino - Journal of Intelligent Material Systems …, 2017 - journals.sagepub.com
A study on iron-gallium (Galfenol) unimorph harvesters is presented which is focused on
extending the power density and frequency bandwidth of these devices. A thickness ratio of …

Impact force sensing with magnetostrictive Fe-Ga alloys

L Shu, J Yang, B Li, Z Deng, MJ Dapino - Mechanical Systems and Signal …, 2020 - Elsevier
Abstract Fe-Ga alloys (Galfenol) are structural magnetostrictive materials which undergo
magnetization changes when subjected to mechanical stress. They are machinable and can …

[HTML][HTML] Computationally efficient locally linearized constitutive model for magnetostrictive materials

SK Wahi, M Kumar, S Santapuri… - Journal of Applied Physics, 2019 - pubs.aip.org
This paper presents a computationally efficient constitutive model for magnetostrictive
materials. High computational efficiency is achieved through the use of local linearization …

Multiphysics modeling and design of Galfenol-based unimorph harvesters

Z Deng, MJ Dapino - Industrial and commercial applications of …, 2015 - spiedigitallibrary.org
Iron-gallium alloys, known as Galfenol, are a class of magnetostrictive materials that convert
mechanical energy to magnetic energy and vice versa. Galfenol devices especially …

Finite element analysis and design of a magnetostrictive material based vibration energy harvester with a magnetic flux path

SK Wahi, D Gupta, S Santapuri - Smart Materials and Structures, 2024 - iopscience.iop.org
This work presents the development of a nonlinear 2D finite element (FE) framework for
magnetostrictive material based energy harvesters of beam geometry. The FE model is …