Primary Resonance of Functionally Graded Graphene-Reinforced Nanocomposite Beams in Thermal Environments
Journal Title: 河南科技大学学报（自然科学版） - Year 2019, Vol 40, Issue 1
Abstract
In order to study the influence of temperature on the nonlinear forced vibration of functionally graded graphene-reinforced beams, the first-order shear deformation theory was adopted to derive the governing equations of the beams. The Galerkin procedure was used to spatially discretize the governing equations of the beams. In the case of primary resonance, the multiple scales method was employed to solve the discrete system.The numerical results show that the vibration amplitude of the FG-X beam is less than 35% of that of the FGO beam. The increase in temperature simultaneously reduces the stiffness and nonlinearity of the beams, and has greatest effect on the FG-O beam. The greater the external excitation frequency, the greater the influence of damping coefficient on the vibration of the beams is.
Authors and Affiliations
Xiaoqian LI, Mitao SONG
Keywords
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- EP ID EP427034
- DOI 10.15926/j.cnki.issn1672-6871.2019.01.012
- Views 108
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