Vibration of graphene sheets with axial force effect in elastic medium based on nonlocal elasticity and third-order shear deformation theory

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GHASEMI GHALEBAHMAN AHMAD; Khakbaz Ali

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Journal: Modares Mechanical Engineering Year:2018 | Volume:18 | Issue:4 Page(s): 232-240

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Title

Vibration of graphene sheets with axial force effect in elastic medium based on nonlocal elasticity and third-order shear deformation theory

Author(s)

GHASEMI GHALEBAHMAN AHMAD | Khakbaz Ali | Issue Writer Certificate

Keywords

Nonlocal theoryQ1

Free vibrationQ2

Graphene sheetQ1

Third-order shear deformation theoryQ2

Axial forceQ1

Abstract

This study aims to investigate the transverse vibration of single-and double-layered Graphene sheets embedded in an elastic medium based on the Third-order shear deformation theory considering the Axial force effect within the framework of Eringen’ s nonlocal elasticity theory, where the governing equations of motion are obtained using Hamilton’ s principle. The superiority of the studied non-local continuum model to its local counterpart is to consider the effect of size on the mechanical behavior of the structure. The results from a natural frequency analysis are obtained for different conditions such as the effect of size and aspect ratio, Axial force, nonlocal coefficient, and change in the stiffness properties of the surrounding elastic medium by using the Navier-type solution for simply supported boundary conditions. Given that in a double-layered Graphene sheet, the system has an in-phase vibrational mode and anti-phase vibrational mode with 180-degrees phase difference, the effect of van der Waals force on both vibrational modes is attempted to be investigated and it is shown that the van der Waals force has no effect on in-phase vibrational mode and by increasing it, the anti-phase frequency increases. It is also demonstrated that the nonlocal parameter is not a constant parameter but its value depends on the size and atomic structure, like chiral and zigzag configurations, and even on the type of boundary conditions

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APA: Copy

GHASEMI GHALEBAHMAN, AHMAD, & Khakbaz, Ali. (2018). Vibration of graphene sheets with axial force effect in elastic medium based on nonlocal elasticity and third-order shear deformation theory. MODARES MECHANICAL ENGINEERING, 18(4 ), 232-240. SID. https://sid.ir/paper/179488/en

Vancouver: Copy

GHASEMI GHALEBAHMAN AHMAD, Khakbaz Ali. Vibration of graphene sheets with axial force effect in elastic medium based on nonlocal elasticity and third-order shear deformation theory. MODARES MECHANICAL ENGINEERING[Internet]. 2018;18(4 ):232-240. Available from: https://sid.ir/paper/179488/en

IEEE: Copy

AHMAD GHASEMI GHALEBAHMAN, and Ali Khakbaz, “Vibration of graphene sheets with axial force effect in elastic medium based on nonlocal elasticity and third-order shear deformation theory,” MODARES MECHANICAL ENGINEERING, vol. 18, no. 4 , pp. 232–240, 2018, [Online]. Available: https://sid.ir/paper/179488/en

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