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  • International Journal of Engineering and Applied Sciences
  • Volume:12 Issue:2
  • A Solution Method for Longitudinal Vibrations of Functionally Graded Nanorods

A Solution Method for Longitudinal Vibrations of Functionally Graded Nanorods

Authors : Büşra UZUN, Mustafa Özgür YAYLI
Pages : 78-87
Doi:10.24107/ijeas.782419
View : 14 | Download : 9
Publication Date : 2020-10-14
Article Type : Research Paper
Abstract :In the present study, a nonlocal finite element formulation of free longitudinal vibration is derived for functionally graded nano-sized rods. Size dependency is considered via Eringen’s nonlocal elasticity theory. Material properties, Young’s modulus and mass density, of the nano-sized rod change in the thickness direction according to the power-law. For the examined FG nanorod finite element, the axial displacement is specified with a linear function. The stiffness and mass matrices of functionally graded nano-sized rod are found by means of interpolation functions. Functionally graded nanorod is considered with clamped-free boundary condition and its longitudinal vibration analysis is performed.
Keywords : Nonlocal elaticity theory, Functionally graded materials, Nanorod, Finite element method, Vibration

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