Wave manipulation in intelligent metamaterials: recent progress and prospects

B Wu, W Jiang, J Jiang, Z Zhao, Y Tang… - Advanced Functional …, 2024 - Wiley Online Library
Metamaterials (MMs), which include phononic crystals (PCs) as a particular type, exhibit
anomalous wave propagation properties through artificial design of topologies or lattice …

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 …

Magnetically tunable longitudinal wave band gaps in hard-magnetic soft laminates

Z Alam, S Padmanabhan, AK Sharma - International Journal of Mechanical …, 2023 - Elsevier
Hard-magnetic soft materials belong to the class of active materials that undergo finite
deformation and alter their material properties when subjected to magnetic loading …

Deep-learning-based acoustic metamaterial design for attenuating structure-borne noise in auditory frequency bands

TW Liu, CT Chan, RT Wu - Materials, 2023 - mdpi.com
In engineering acoustics, the propagation of elastic flexural waves in plate and shell
structures is a common transmission path of vibrations and structure-borne noises. Phononic …

Vibration mitigation and energy harvesting of vibro–impact dielectric elastomer oscillators

M Wu, J Zhang, H Wu - International Journal of Mechanical Sciences, 2024 - Elsevier
Dielectric elastomers (DEs), as a type of intelligent materials, have the characteristics of light
weight, high energy density, high conversion efficiency, and damping effect, and thus can …

[HTML][HTML] Angular wave propagation through one-dimensional phononic crystals made of functionally graded auxetic nanocomposites

L Guo, S Zhao, J Yang, S Kitipornchai - European Journal of Mechanics-A …, 2024 - Elsevier
Composites reinforced with graphene origami nanofillers possess negative Poisson's ratio
and obtain multifunctional features offering unique mechanical properties such as tunable …

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 …

A multi-electrode electroelastomer cylindrical actuator for multimodal locomotion and its modeling

Y Zhang, Y Huang, W Sun, H Jin, J Zhang, L Xu… - International Journal of …, 2024 - Elsevier
Dielectric elastomer actuators (DEAs) have received widespread attention in human-robot
interaction and biomedical engineering due to their merits of large deformation, fast …

Topology optimization of hard-magnetic soft phononic structures for wide magnetically tunable band gaps

Z Alam, AK Sharma - Journal of Applied Mechanics, 2024 - asmedigitalcollection.asme.org
Hard-magnetic soft materials (HMSMs) are a class of smart soft magnetoactive polymers
fabricated by embedding high-coercivity hard-magnetic particles such as NdFeB, CoFe2O4 …