Effects of fiber orientation and temperature on natural frequencies of a functionally graded beam reinforced with fiber

Nejati, M.; Fard, K. Malekzadeh; Eslampanah, Amirhossein

doi:10.1007/s12206-015-0734-5

Cited by 11 publications

(2 citation statements)

References 32 publications

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“…Mohammadzadeh et al [26] analyzed the mechanical buckling of two-dimensional FG cylindrical shells subjected to an axial and pressure loading, according to a classical theory. The effect of temperature distributions on the mechanical properties of Functionally Graded Material (FGM) composites and non-homogeneous materials was also studied in [27][28][29][30][31][32] while focusing on the presence of fibers or CNTs as reinforcement. Such materials and structures, however, have shown complex thermal buckling behavior due to the large displacements and rotations they can experience in the presence of a generally distributed temperature.…”

Section: Among Others)mentioning

confidence: 99%

Thermal Buckling of Nanocomposite Stiffened Cylindrical Shells Reinforced by Functionally Graded Wavy Carbon Nanotubes with Temperature-Dependent Properties

et al. 2017

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Abstract:We study the thermal buckling behavior of cylindrical shells reinforced with Functionally Graded (FG) wavy Carbon NanoTubes (CNTs), stiffened by stringers and rings, and subjected to a thermal loading. The equilibrium equations of the problem are built according to the Third-order Shear Deformation Theory (TSDT), whereas the stiffeners are modeled as Euler Bernoulli beams. Different types of FG distributions of wavy CNTs along the radial direction of the cylinder are herein considered, and temperature-dependent material properties are estimated via a micromechanical model, under the assumption of uniform distribution within the shell and through the thickness. A parametric investigation based on the Generalized Differential Quadrature (GDQ) method aims at investigating the effects of the aspect ratio and waviness index of CNTs on the thermal buckling of FG nanocomposite stiffened cylinders, reinforced with wavy single-walled CNTs. Some numerical examples are here provided in order to verify the accuracy of the proposed formulation and to investigate the effects of several parameters-including the volume fraction, the distribution pattern of wavy CNTs, and the cylinder thickness-on the thermal buckling behavior of the stiffened cylinders made of CNT-reinforced composite (CNTRC) material.

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confidence: 99%

Thermal Buckling of Nanocomposite Stiffened Cylindrical Shells Reinforced by Functionally Graded Wavy Carbon Nanotubes with Temperature-Dependent Properties

et al. 2017

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“…As an example Nejati et al [16] studied thermal vibrations of a fiber reinforced orthotropic beam which the fibers were functionally oriented.…”

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confidence: 99%

Extended three-dimensional generalized differential quadrature method: The basic equations and thermal vibration analysis of functionally graded fiber orientation rectangular plates

Nejati

Yas

Eslampanah

et al. 2016

Mechanics of Advanced Materials and Structures

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The present paper, deals with free vibration of functionally graded fiber orientation (FO) rectangular plates considering temperature effect. Three different types of fiber orientation distributions through the thickness of plate are proposed. The properties of plate are assumed to be temperature-dependent. Equations of motions are derived based on three dimensional theory of elasticity. General differential quadrature method is used to discretize these equations. Effects of temperature, fiber orientation, boundary conditions besides some geometric parameters are presented. Also some interesting conclusions are obtained since temperature and functionality of FG plate have significant effect on the natural frequency of the plate. Keywords,Fiber orientation (FO), natural frequency, three dimensional (3D) general differential quadrature method, temperature dependent, Three-dimensional elasticity solution 1 Email: m.nejati313@gmail.com, Tell: +989183625745 Downloaded by [University of Nebraska, Lincoln] at 22

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Fundamental frequency analysis of functionally graded plates with temperature-dependent properties based on improved exponential-trigonometric two-dimensional higher shear deformation theory

et al. 2020

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Effects of fiber orientation and temperature on natural frequencies of a functionally graded beam reinforced with fiber

Cited by 11 publications

References 32 publications

Thermal Buckling of Nanocomposite Stiffened Cylindrical Shells Reinforced by Functionally Graded Wavy Carbon Nanotubes with Temperature-Dependent Properties

Thermal Buckling of Nanocomposite Stiffened Cylindrical Shells Reinforced by Functionally Graded Wavy Carbon Nanotubes with Temperature-Dependent Properties

Extended three-dimensional generalized differential quadrature method: The basic equations and thermal vibration analysis of functionally graded fiber orientation rectangular plates

Fundamental frequency analysis of functionally graded plates with temperature-dependent properties based on improved exponential-trigonometric two-dimensional higher shear deformation theory

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