Wave propagation of embedded viscoelastic FG-CNT-reinforced sandwich plates integrated with sensor and actuator based on refined zigzag theory

Kolahchi, Reza; Zarei, Mohammad; Hajmohammad, Mohammad Hadi; Nouri, Ali

doi:10.1016/j.ijmecsci.2017.06.039

Cited by 111 publications

(27 citation statements)

References 33 publications

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“…By the use of Fourier series and Rayleigh-Ritz method, a unified accurate solution based on the first-order shear deformation theory was provided by Yang et al [15] to study the vibration and damping of a FG sandwich plate with a soft or hard core. According to the refined zigzag theory, Kolahchi et al [16] dealt with the general wave propagation in a piezoelectric plate, whose core is consisted of several viscoelastic layers with temperature-dependent behaviors and reinforced by FG carbon nanotubes. Considering the initial geometrical imperfection, Tung [17] studied the bending and postbuckling of FG sandwich plate built upon the first order shear deformation theory by employing the Galerkin procedure.…”

Section: Introductionmentioning

confidence: 99%

Time-dependent characteristics of two-layer functionally graded plates adhesively bonded by a viscoelastic interlayer based on Kirchhoff plate theory

Yang

Liu

2020

mech

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An analytical solution is proposed to investigate the time-dependent characteristics of two-layer functionally graded plates with a viscoelastic interlayer. The elastic modulus in each graded layer varies through the thickness following an arbitrary function, and its mechanical properties are described based on the Kirchhoff theory. The Maxwell-Wiechert model is applied to simulate the viscoelastic adhesive interlayer with the neglect of memory effect. The energy equation of the system is expressed by the deformation components, which are expanded as the double trigonometric series. By virtue of variational method, the solutions of stress and deformation are determined efficiently. The comparison study indicates that the present solution matches the finite element solution well; however, the finite element method is highly time-consuming because of the fine mesh in the geometric shape and the time step. Finally, the influences of the geometry and material on the time-dependent behavior of the structure are discussed in detail.

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Section: Introductionmentioning

confidence: 99%

Time-dependent characteristics of two-layer functionally graded plates adhesively bonded by a viscoelastic interlayer based on Kirchhoff plate theory

Yang

Liu

2020

mech

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“…The nonlinear and linear vibration of sandwich beams, plates, and panels has been an object of many studies [20][21][22][23][24][25][26][27]. Nanocomposite FG sandwich structures are widely used in the field of transportation (helicopter blades, ship's hull, etc.)…”

Section: Introductionmentioning

confidence: 99%

Nonlinear vibration and modal analysis of FG nanocomposite sandwich beams reinforced by aggregated CNTs

Pourasghar

Chen

2019

Polymer Engineering & Sci

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In the present work, by considering the aggregation effect of single‐walled carbon nanotubes (SWCNT), the nonlinear vibration of functionally graded (FG) nanocomposite sandwich Timoshenko beams resting on Pasternak foundation are presented. The material properties of the FG nanocomposite sandwich beam are estimated using the Eshelby–Mori–Tanaka approach and differential quadrature method (DQM) is used to obtain natural frequency. The nonlinear governing equations and boundary conditions are derived using the Hamilton principle and von Kármán geometric nonlinearity. The higher order nonlinear governing equations and boundary conditions are calculated using the Hamilton principle. A direct iterative method is employed to determine the nonlinear frequencies and mode shapes of the beams. It is shown that the mechanical properties and therefore vibration of functionally graded carbon nanotube reinforced (FG‐CNTR) sandwich beams are severely affected by CNTs aggregation. A detailed parametric study is carried out to investigate the influences of Winkler foundation modulus, shear elastic foundation modulus, length to span ratio, thicknesses of face sheets on the nonlinear vibration of the structure. POLYM. ENG. SCI., 59:1362–1370 2019. © 2019 Society of Plastics Engineers

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“…Application of rotation is being discussed by many academicians (Fang et al, 2002; Sharma et al, 2008; Sharma and Walia, 2007) using wave transference through piezoelectric material. Simultaneously, the effects and applications of stress and strain analysis theory on mechanical structures and engineering composites are not ignorable and which are well introduced in Ferreira et al (2005, 2006), Sofiyev et al (2017), Hui (1988), Ezzin et al (2016), Dahmen et al (2016) and Kolahchi et al (2017). Nasedkin and Eremeyev (2014) investigate the harmonic vibrations of nanosized piezoelectric bodies with surface effects.…”

Section: Introductionmentioning

confidence: 99%

On secular equation of SH waves propagating in pre-stressed and rotating piezo-composite structure with imperfect interface

Chaudhary

Sahu

Singhal

2018

Journal of Intelligent Material Systems and Structures

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An analytical approach is adopted to investigate the SH waves in a composite structure consisting of initially stressed rotating piezoelectric layer and initially stressed substrate with rotation. The interface between the layer and the substrate is assumed to be imperfect. Two distinct types of imperfect interfaces (dielectrically weakly and highly conducting) are considered. Secular equations have been obtained for both electrically open and short cases with weakly and highly performing interface. Particular cases have been derived and matched with existing result. The characteristics of SH wave through the considered framework and their state of relying on different physical and geometrical parameters have been scrutinized based on their numerical results. The parallel simulated outcomes of disparate physical quantities, namely, phase velocity, group velocity, dispersive curves, initial stress, rotation and electromechanical coupling factor, and stress distribution of SH wave in the considered structure are investigated. The considered model may be useful in theoretical foundation and practical application for the development of piezoelectric sensors, structural health monitoring, and surface acoustic wave devices.

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Wave propagation of embedded viscoelastic FG-CNT-reinforced sandwich plates integrated with sensor and actuator based on refined zigzag theory

Cited by 111 publications

References 33 publications

Time-dependent characteristics of two-layer functionally graded plates adhesively bonded by a viscoelastic interlayer based on Kirchhoff plate theory

Time-dependent characteristics of two-layer functionally graded plates adhesively bonded by a viscoelastic interlayer based on Kirchhoff plate theory

Nonlinear vibration and modal analysis of FG nanocomposite sandwich beams reinforced by aggregated CNTs

On secular equation of SH waves propagating in pre-stressed and rotating piezo-composite structure with imperfect interface

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