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 develo** soft, lightweight, and small-scale transducers and robotics …

Nonlinear oscillations of composite conical microshells with in-plane heterogeneity based upon a couple stress-based shell model

Y Yuan, K Zhao, Y Han, S Sahmani, B Safaei - Thin-Walled Structures, 2020 - Elsevier
The current investigation deals with the nonlinear oscillation response of conical microshells
made of a composite material with functional graded (FG) in-plane heterogeneity is studied …

[HTML][HTML] The fractional Kelvin-Voigt model for circumferential guided waves in a viscoelastic FGM hollow cylinder

X Zhang, Z Li, X Wang, J Yu - Applied Mathematical Modelling, 2021 - Elsevier
Compared to the traditional integer order viscoelastic model, a fractional order derivative
viscoelastic model is shown to be more accurate. A thorough knowledge of the dispersive …

[HTML][HTML] Low-frequency tunable topological interface states in soft phononic crystal cylinders

Y Chen, B Wu, J Li, S Rudykh, W Chen - International Journal of …, 2021 - Elsevier
Topological phononic crystals have attracted intensive attention due to their peculiar
topologically protected interface or edge states. Their operating frequency, however, is …

Nonlinear guided wave mixing in pipes for detection of material nonlinearity

C Yeung, CT Ng - Journal of Sound and Vibration, 2020 - Elsevier
Pipes have multiple applications in daily life and they are subjected to different types of
defects. Nonlinear guided wave has attracted significant attention in detecting …

Axisymmetric vibration of multilayered electroactive circular plates in contact with fluid

Y Cao, B Wu, E Carrera, S Rudykh, W Chen - Journal of Sound and …, 2024 - Elsevier
Soft electroactive materials (SEAMs), which possess significant advantages over
conventional hard materials, have attracted great attention in recent years. They have been …

Stress-wave propagation in multilayered and density-graded viscoelastic medium

L Yuan, C Miao, S Xu, Y **e, J Zhang, Y Li… - International Journal of …, 2023 - Elsevier
Uncovering the dynamic behaviors of viscoelastic medium with complicated internal
geometric structures, ie, graded density and multilayers, is of great significance in the fields …

Snap-through instability in rotating dielectric elastomer tubes

K Li, Y Du, Y Zhang, Y Zhang, C Lü - International Journal of Mechanical …, 2024 - Elsevier
Dielectric elastomers (DEs) have been widely used in soft robotics, high-performance
actuators, and bioengineering. However, they may suffer from more failure modes than pure …

Stress wave propagation analysis of 2D-FGM axisymmetric finite hollow thick cylinder

A Najibi, MH Shojaeefard - Mechanics Based Design of Structures …, 2024 - Taylor & Francis
In this paper, a numerical axisymmetric elastic stress wave propagation analysis of the 2D-
FGM hollow thick finite cylinder has been performed. The new accurate material distribution …

Analyzing wave propagation in graphene-reinforced nanocomposite annular plates by the semi-analytical formulation

C Li, Q Han - Mechanics of Advanced Materials and Structures, 2021 - Taylor & Francis
Graphene-based reinforcements can enhance mechanical performances of composite
structures by altering the distributions of graphene platelets (GPLs), which determines wave …