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 …

[HTML][HTML] Electromechanical stability of wrinkled dielectric elastomers

A Khurana, MM Joglekar, G Zurlo - International Journal of Solids and …, 2022 - Elsevier
Thin dielectric elastomers with compliant electrodes can experience two types of instability:
wrinkling, which occurs to relax in-plane compressive stresses through out-of-plane …

Electromechanical performance of dielectric elastomer composites: Modeling and experimental characterization

A Kumar, A Khurana, AK Patra, Y Agrawal… - Composite …, 2023 - Elsevier
Dielectric Elastomer (DE) devices have gained widespread attention in recent years for their
ability to generate large, reversible strains in response to electric actuation. However, some …

An energy-based model of dielectric elastomer minimum energy structures with stiffeners: Equilibrium configuration and the electromechanical response

A Khurana, AK Patra, MM Joglekar - Mechanics of Advanced …, 2023 - Taylor & Francis
Abstract The Dielectric Elastomer-based Minimum Energy Structures (DEMES) pertain to an
equilibrium configuration attained by the assembly of a pre-stretched electroactive polymer …

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 …

An equivalent spring-based model to couple the motion of visco-hyperelastic dielectric elastomer with the confined compressible fluid/air mass

A Kumar, A Khurana, AK Sharma… - International Journal of …, 2022 - Elsevier
Soft materials exhibiting large voltage-induced deformation under external stimuli have
gained increasing attention in the recent past owing to their potential applications in soft …

Effect of geometrical parameters on the nonlinear behavior of DE-based minimum energy structures: Numerical modeling and experimental investigation

TS Subramaniya Siva, A Khurana… - Mechanics of …, 2024 - Taylor & Francis
This work presents a finite element framework for simulating the quasi-static response of
dielectric elastomer-based minimum energy structure (DEMES). The DEMES is an actuator …

[HTML][HTML] Smart electro-magneto-viscoelastomer minimum energy structures with particle-reinforcements: Theoretical equilibrium and nonlinear dynamics of actuated …

A Khurana, S Naskar, RK Varma… - International Journal of …, 2024 - Elsevier
Soft transduction technology is rapidly adopting soft active elastomer-based minimum
energy structures because of their distinctive programmable shape-morphing …

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 …

Dynamic modeling of dielectric elastomer-based minimum energy structures with membrane entanglements and finite extensibility

A Khurana, A Kumar, AK Sharma, MM Joglekar - Sādhanā, 2022 - Springer
The shape morphing behavior of dielectric elastomer-based minimum energy structures
(DEMES) generated by combining an inextensible frame and a pre-stretched dielectric …