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 …
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 …
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
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 …
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
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 …
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 …
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 …
conducted. The body couples stemming from a misalignment between the electric field and …
Nonlinear dynamics and chaos control of circular dielectric energy generator
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 …
(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 …
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 …
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
Abstract Dielectric Elastomer Generators (DEGs) are promising devices able to convert
mechanical to electrical energy by exploiting the variations in the capacitance of a …
mechanical to electrical energy by exploiting the variations in the capacitance of a …