Mechanics of dielectric elastomer structures: A review

T Lu, C Ma, T Wang - Extreme Mechanics Letters, 2020 - Elsevier
In the past decade, the development of theory has deeply revealed the electromechanical
coupling deformation mechanism of dielectric elastomer (DE). Many theoretical predictions …

[HTML][HTML] Electrically-induced twist in geometrically incompatible dielectric elastomer tubes

K Bazaev, N Cohen - International Journal of Solids and Structures, 2022 - Elsevier
Dielectric elastomers (DEs) are materials that experience large deformations in response to
electric excitation. In this work, we introduce and investigate a DE-based bi-layer tubular …

Harvesting energy with load-driven dielectric elastomer annular membranes deforming out-of-plane

E Bortot, M Gei - Extreme Mechanics Letters, 2015 - Elsevier
The capabilities of a dielectric elastomer generator formed by a hyper-electro-elastic annular
membrane deforming non-homogeneously out-of-plane are investigated. The mechanical-to …

[HTML][HTML] Analysis of viscoelastic soft dielectric elastomer generators operating in an electrical circuit

E Bortot, R Denzer, A Menzel, M Gei - International Journal of Solids and …, 2016 - Elsevier
A predicting model for soft dielectric elastomer generators (DEGs) must consider a realistic
model of the electromechanical behaviour of the elastomer filling, the variable capacitor and …

New actuation modes of composite dielectric elastomers

P Liguori, M Gei - Proceedings of the Royal Society A, 2023 - royalsocietypublishing.org
The typical actuation mode of a dielectric elastomer membrane subjected to an electric field
across its thickness is in-plane expansion. We show that, by selecting properly the contrast …

A generalized electro-elastic theory of polymer networks

N Cohen - Journal of the Mechanics and Physics of Solids, 2018 - Elsevier
A rigorous multi-scale analysis of the electromechanical coupling in dielectric polymers is
conducted. The body couples stemming from a misalignment between the electric field and …

Nonlinear dynamics and chaos control of circular dielectric energy generator

SK Behera, RA Ranjan, S Sarangi… - … in Nonlinear Science …, 2024 - Elsevier
The current study focuses on the nonlinear dynamics of the dielectric elastomer generator
(DEG). To begin with, we will go through DEG's operating principles, parameters, materials …

[HTML][HTML] Stacked dielectric tubes with electromechanically controlled radii

N Cohen - International Journal of Solids and Structures, 2017 - Elsevier
This work examines the features and capabilities of a tube comprised of stacked cylindrical
dielectric layers separated by flexible electrodes with the applicative aim of electrically …

Towards a physics-based multiscale modelling of the electro-mechanical coupling in electro-active polymers

N Cohen, A Menzel, G DeBotton - Proceedings of the …, 2016 - royalsocietypublishing.org
Owing to the increasing number of industrial applications of electro-active polymers (EAPs),
there is a growing need for electromechanical models which accurately capture their …

Optimal energy harvesting cycles for load-driven dielectric elastomer generators under equibiaxial deformation

E Bortot, M Gei, G deBotton - Meccanica, 2015 - Springer
Abstract Dielectric Elastomer Generators (DEGs) are promising devices able to convert
mechanical to electrical energy by exploiting the variations in the capacitance of a …