Rapid heating-induced vibration of composite magnetostrictive shells

Hong, C.C.

doi:10.1080/15376494.2014.984087

Cited by 9 publications

(3 citation statements)

References 26 publications

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“…Moreover, the control law of the magnetostrictive layer can contribute in amplitudes reduction of the displacements and the stresses of laminated composite shells with magnetostrictive layer to smaller values almost to zero value according to a study presented by Hong (2016) about analyses of the thermal vibrational behavior of laminated shells which contain magnetostrictive layer. Zhang et al (2015) investigated active vibration control of cantilever laminated composite plate which embeds layers of giant magnetostrictive materials via utilizing a coupled and nonlinear constitutive model that describes the behavior of the cantilever plate under variable bias conditions.…”

Section: Introductionmentioning

confidence: 99%

Active control of a sandwich plate with reinforced magnetostrictive faces and viscoelastic core, resting on elastic foundation

Zenkour

El-Shahrany

2021

Journal of Intelligent Material Systems and Structures

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The current study presents a vibration investigation of a laminated plate considering a viscoelastic core with embedded magnetostrictive layers. The simply-supported plate is supported via Pasternak’s substrate medium. Based on different plate theories and employing Hamilton’s principle, the system of governing differential equations is derived. The mechanical properties of the viscoelastic core are described depend on the time varies based on Kelvin–Voigt model. Actuating magnetostrictive layers are utilized to control the vibration damping process of the system with the assistance of feedback and constant gain distributed control. The analytical solution is obtained to investigate the influence of half wave numbers, thickness ratios, core thickness, aspect ratios, lamination schemes, elastic foundation parameters, damping coefficient, feedback coefficient magnitude, magnetostrictive layers location, on the vibrational behavior of laminated plate. Some observations about the vibration damping process of the present plate are displayed. The results refer to that the vibration suppression rate depends on the thickness of the plate, the feedback control value, the foundation constants, and the viscoelastic structural damping significantly. Moreover, the study can be providing benchmark tests to validate future contributions on the viscoelastic smart structural issues and developing the design of smart viscoelastic structures and control of their vibrations.

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Section: Introductionmentioning

confidence: 99%

Active control of a sandwich plate with reinforced magnetostrictive faces and viscoelastic core, resting on elastic foundation

Zenkour

El-Shahrany

2021

Journal of Intelligent Material Systems and Structures

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“…Zhang et al (2015) investigated active vibration damping of a cantilever laminated composite plate with giant magnetostrictive material layers using a nonlinear and coupled constitutive model. Hong (2016) utilized GDQ method to derive computational results of three-layer cross-ply composite magnetostrictive shells under sudden uniform heat persuaded vibration. Ghorbanpour Arani et al (2017) presented a feedback control system for studying the free vibration response of a rectangular plate made of a magnetostrictive material.…”

Section: Introductionmentioning

confidence: 99%

Vibration suppression of truncated conical shells embedded with magnetostrictive layers based on first order shear deformation theory

Mohammadrezazadeh¹,

Jafari²

2019

Journal of Theoretical and Applied Mechanics

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Vibration phenomena in mechanical structures including conical shells are usually undesirable. In order to overcome this problem, this study investigates active vibration control of isotropic truncated conical shells containing magnetostrictive actuators. The first-order shear deformation theory and the Hamilton principle are handled to obtain vibration equations. Moreover, a negative velocity feedback control law is used to actively suppress the vibration. The Ritz and modified Galerkin methods are utilized to obtain results of shell vibration. The results are validated by comparison with the results of literature and finite element software. Finally, the effects of control gain value, magnetostrictive layers thickness, isotropic layer thickness, length and semi-vertex angle of the conical shell on vibration suppression characteristics are obtained in details.

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“…There are some technical contents of generalized differential quadrature (GDQ) computation in the composited shells and plates. Hong [13] used the GDQ method to compute the time responses of displacements and stresses for composite magnetostrictive shells under rapid heating without considering the shear deformation effects. Hong [14] also used the GDQ method to investigate the time responses of displacements and stresses for magnetostrictive FGM plates under rapid heating with considering the FSDT effects.…”

Section: Introductionmentioning

confidence: 99%

Effects of Varied Shear Correction on the Thermal Vibration of Functionally-Graded Material Shells in an Unsteady Supersonic Flow

Hong

2017

Aerospace

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Abstract:A model is presented for functionally-graded material (FGM), thick, circular cylindrical shells under an unsteady supersonic flow, following first-order shear deformation theory (FSDT) with varied shear correction coefficients. Some interesting vibration results of the dynamics are calculated by using the generalized differential quadrature (GDQ) method. The varied shear correction coefficients are usually functions of FGM total thickness, power law index, and environment temperature. Two parametric effects of the environmental temperature and FGM power law index on the thermal stress and center deflection are also presented. The novelty of the paper is that the maximum flutter value of the center deflection amplitude can be predicted and occurs at a high frequency of applied heat flux for a supersonic air flow.

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Rapid heating-induced vibration of composite magnetostrictive shells

Cited by 9 publications

References 26 publications

Active control of a sandwich plate with reinforced magnetostrictive faces and viscoelastic core, resting on elastic foundation

Active control of a sandwich plate with reinforced magnetostrictive faces and viscoelastic core, resting on elastic foundation

Vibration suppression of truncated conical shells embedded with magnetostrictive layers based on first order shear deformation theory

Effects of Varied Shear Correction on the Thermal Vibration of Functionally-Graded Material Shells in an Unsteady Supersonic Flow

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