Tunable anti-plane wave bandgaps in 2D periodic hard-magnetic soft composites

S Padmanabhan, Z Alam, AK Sharma - International Journal of Mechanical …, 2024 - Elsevier
In this paper, we present a theoretical model for the analysis of large magneto-deformation
and the anti-plane shear wave bandgaps in 2D periodic two-phase hard magnetic soft …

Topology optimization of soft compressible phononic laminates for widening the mechanically tunable band gaps

AK Sharma, MM Joglekar, DM Joglekar, Z Alam - Composite Structures, 2022 - Elsevier
Active tuning of frequency bandgaps has received significant attention in the recent past. To
this end, soft compressible phononic composites have indicated great promise owing to their …

Viscoelastic effects on the nonlinear oscillations of hard-magnetic soft actuators

S Nandan, D Sharma… - Journal of Applied …, 2023 - asmedigitalcollection.asme.org
The hard-magnetic soft materials (HMSMs) belong to the magnetoactive category of smart
polymers that undergo large actuation strain under an externally applied magnetic field and …

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 …

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 …

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 …

Dynamic modeling of hard-magnetic soft actuators: Unraveling the role of polymer chain entanglements, crosslinks, and finite extensibility

S Nandan, D Sharma, AK Sharma - Journal of Magnetism and Magnetic …, 2023 - Elsevier
In recent years, there has been increasing interest in hard-magnetic soft materials (HMSMs)
due to their ability to retain high residual magnetization and undergo large deformations …