Vibrations and waves in soft dielectric elastomer structures

Z Zhao, Y Chen, X Hu, R Bao, B Wu, W Chen - International Journal of …, 2023 - Elsevier
Dielectric elastomers (DEs) are a type of multifunctional materials with salient features that
are very attractive in developing soft, lightweight, and small-scale transducers and robotics …

Nonlinear vibration and dynamic stability of dielectric sandwich micro-beams

J Chen, W Qu, C Ye, Z Zhao, H Wang - International Journal of Mechanical …, 2024 - Elsevier
Dielectric elastomers (DEs) have extensive applications in micro-electro-mechanical
systems and the biomedical fields. The utilization of DEs in driving micro-beams has …

[HTML][HTML] Dielectric constant, dielectric loss, conductivity, capacitance and model analysis of electronic electroactive polymers

H Wang, L Yang - Polymer Testing, 2023 - Elsevier
In this study, the dielectric constant, dielectric loss, conductivity and capacitance of the
electronic electroactive polymer (EEAP) were systematically tested experimentally, and the …

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 …

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 …

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 …

[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 …