Vibration characteristics of functionally graded graphene reinforced porous nanocomposite cylindrical shells with spinning motion
By Youheng Dong, Yinghui Li, Da Chen, Jie Yang. Composites Part B: Engineering, 2018
279 citations recorded by the source corpus.
This paper is concerned with free vibration characteristics of the functionally graded graphene reinforced porous nanocomposite cylindrical shell with spinning motion. It is assumed that the graphene platelet (GPL) nanofillers and internal pores are randomly oriented and uniformly dispersed in each concentric cylindrical shell, and both the GPL weight fraction and the porosity coefficient vary continuously along the thickness direction. Effective material properties of the nanocomposite which are position-dependent are derived employing the modified Halpin-Tsai model and the rule of mixture. Three types of the GPL patterns and four types of the porosity distributions are considered. Frequencies of forward and backward travelling waves and critical spinning speeds are derived from the equations of motion which are established based on the first order shear deformation theory and the Hamilton's principle. Detailed parametric studies on dimensionless natural frequencies and critical spinning speeds of the GPL reinforced porous nanocomposite cylindrical shell are carried out, especially, effect of initial hoop tension on vibration characteristics of the spinning cylindrical shell is numerically discussed.
Subfields: Civil and Structural Engineering, Materials Chemistry, Mechanics of Materials
View Paper: https://www.semanticscholar.org/paper/bbe275b8bcd55bf861039f2582570db43053a83f
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Citations in the corpus
- Parametric study of three-dimensional bending and frequency of FG-GPLRC porous circular and annular plates on different boundary conditions (2019, methodology): “In further research, Dong et al. (2018) obtained natural frequencies and critical spinning speeds of FG-GPLR porous nanocomposite cylindrical shell with spinning motion using FSDT and Hamilton principle.”