Dielectric elastomer minimum energy structure with a unidirectional actuation for a soft crawling robot: Design, modeling, and kinematic study

W Sun, H Liang, F Zhang, H Wang, Y Lu, B Li… - International Journal of …, 2023 - Elsevier
Due to the simple preparation process, large deformation, and wide applications, the
dielectric elastomer minimum energy-based structures (DEMESs) are preferably employed …

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 …

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 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 …

Constitutive modeling for the tear fracture of artificial tissues in human-like soft robots

S Gour, D Kumar, A Khurana - European Journal of Mechanics-A/Solids, 2022 - Elsevier
Artificial tissues made of fiber-reinforced polymeric materials typically show biological tissue-
like mechanical properties, which motivates its usage in designing and constructing human …

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 …

Highly efficient inverse lumped modeling for the pre-strained circular dielectric elastomer

H Liang, B Du, Y Zhao, S Li, X Zhang, X Chen - International Journal of …, 2024 - Elsevier
The equi-biaxially pre-strained circular dielectric elastomer actuator (PCDEA) is a classical
actuator configuration to demonstrate the electromechanical deformation mechanism of …

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 …