Nonlinear bending of functionally graded graphene-reinforced composite laminated plates resting on elastic foundations in thermal environments

Hui-Shen Shen, Y. Xiang, Feng Lin

Research output: Contribution to journalArticlepeer-review

181 Citations (Scopus)

Abstract

This paper presents an investigation on the nonlinear bending of functionally graded graphene-reinforced composite (FG-GRC) laminated plates resting on an elastic foundation and in a thermal environment. The plate is subjected to a transverse uniform or sinusoidal load combined with initial compressive edge in-plane loads. The plate is made of graphene-reinforced composites which are functionally graded in the thickness direction with a piece-wise type. The material properties of GRCs are estimated through a refined micromechanical model. Governing differential equations for the bending of the FG-GRC plates are based on a higher order shear deformation plate theory and the general von Karman-type equation and the effects of plate-foundation interaction and temperature variation are taken into consideration. A two-step perturbation technique is employed to determine the load-deflection and load-bending moment curves. The nonlinear bending responses of FG-GRC laminated plates under different sets of loading and thermal environmental conditions are presented and discussed in details.
Original languageEnglish
Pages (from-to)80-90
Number of pages11
JournalComposite Structures
Volume170
DOIs
Publication statusPublished - 2017

Keywords

  • elastic plates and shells
  • functionally gradient materials
  • nanocomposites (materials)
  • nonlinear bending
  • temperature

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