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] Effect of viscoelasticity on the nonlinear dynamic behavior of dielectric elastomer minimum energy structures

A Khurana, A Kumar, SK Raut, AK Sharma… - International Journal of …, 2021 - Elsevier
Dielectric elastomer minimum energy structure (DEMES) formed by clinging a pre-stretched
dielectric elastomer (DE) membrane to the compliant frame possess both material and …

Static and dynamic instability modeling of electro-magneto-active polymers with various entanglements and crosslinks

A Khurana, D Kumar, AK Sharma… - International Journal of …, 2022 - Elsevier
Abstract Electro-magneto-active (EMA) polymers-based smart actuators suffer from electro-
magneto-mechanical instability (EMMI) phenomena arising due to the positive feedback …

Nonlinear oscillations of particle-reinforced electro-magneto-viscoelastomer actuators

A Khurana, D Kumar… - Journal of Applied …, 2021 - asmedigitalcollection.asme.org
This work presents the dynamic modeling and analysis of a particle-reinforced and pre-
stressed electro-magneto-viscoelastic plate actuator. The actuator belongs to a smart …

Nonlinear oscillations of electrically driven aniso-visco-hyperelastic dielectric elastomer minimum energy structures

A Khurana, AK Sharma, MM Joglekar - Nonlinear Dynamics, 2021 - Springer
In view of their unique shape morphing behaviour, dielectric elastomer-based minimum
energy structures (DEMES) have received an increasing attention in the technology of …

Taut domains in transversely isotropic electro-magneto-active thin membranes

A Khurana, D Kumar, AK Sharma, G Zurlo… - International Journal of …, 2022 - Elsevier
Actuation devices made of smart polymers typically show various instabilities, which can
adversely affect their performance and lead to device failure. In general, smart polymers …

Dynamics of pneumatically coupled visco-hyperelastic dielectric elastomer actuators: Theoretical modeling and experimental investigation

A Kumar, A Khurana, AK Sharma… - European Journal of …, 2022 - Elsevier
Dielectric elastomers represent a class of electroactive polymers that are capable of
undergoing large reversible deformations when driven electrically. Pneumatically connected …

A numerical framework for modeling anisotropic dielectric elastomers

AK Sharma, MM Joglekar - Computer Methods in Applied Mechanics and …, 2019 - Elsevier
This paper reports a finite element based numerical framework for simulating the
electromechanical behavior of nonlinear anisotropic dielectric elastomer actuators at finite …

A computationally efficient locking free numerical framework for modeling visco-hyperelastic dielectric elastomers

AK Sharma, MM Joglekar - Computer Methods in Applied Mechanics and …, 2019 - Elsevier
In this paper, we present a finite element formulation for simulating the electromechanical
behavior of nonlinear visco-hyperelastic dielectric elastomers undergoing isochoric finite …

Dynamic analysis of anisotropic dielectric viscoelastomers incorporating humidity effect

A Kumar, A Khurana, AK Sharma… - Journal of the Brazilian …, 2022 - Springer
Dielectric elastomers are among the soft active materials that may achieve substantial
actuation strains when subjected to a high electric field. The material behavior of such …