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Nonlinear vibration of functionally graded graphene-reinforced composite laminated cylindrical shells in thermal environments

机译：功能梯度石墨烯增强复合材料层合圆柱壳在热环境中的非线性振动

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摘要

This paper presents an investigation on the nonlinear vibration behavior of graphene-reinforced composite (GRC) laminated cylindrical shells in thermal environments. The material properties of the GRCs are temperature-dependent and the functionally graded (FG) materials concept is adopted which allows a piece-wise variation of the volume fraction of graphene reinforcement in the thickness direction of the shell. An extended Halpin-Tsaia micromechanical model is employed to estimate the GRC material properties. The motion equations for the nonlinear vibration of FG-GRC laminated cylindrical shells are based on the Reddy's third order shear deformation theory and the von Karman-type kinematic nonlinearity, and the effects of thermal conditions are included. The nonlinear vibration solutions for the FG-GRC laminated cylindrical shells can be obtained by applying a two-step perturbation technique. The results reveal that the nonlinear vibration characteristics of the shells are significantly influenced by the GRC material property gradient, the stacking sequence of the plies, the temperature variation, the shell geometric parameter and the shell end conditions.
机译：本文研究了石墨烯增强复合材料（GRC）层压圆柱壳在热环境下的非线性振动行为。 GRC的材料特性取决于温度，并且采用功能梯度（FG）材料概念，该概念允许石墨烯增强材料的体积分数在壳的厚度方向上逐段变化。采用扩展的Halpin-Tsaia微力学模型来估计GRC材料的性能。 FG-GRC叠层圆柱壳非线性振动的运动方程是基于Reddy的三阶剪切变形理论和von Karman型运动非线性，并包括热条件的影响。 FG-GRC叠层圆柱壳的非线性振动解可以通过应用两步扰动技术来获得。结果表明，壳体的非线性振动特性受GRC材料性能梯度，板层的堆积顺序，温度变化，壳体几何参数和壳体端部条件的影响很大。

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  • 来源
    《Composite Structures》 |2017年第12期|447-456|共10页
  • 作者

    Shen Hui-Shen; Xiang Y.; Fan Yin;

  • 作者单位

    Shanghai Jiao Tong Univ, Sch Aeronaut & Astronaut, Shanghai 200240, Peoples R China|Shanghai Jiao Tong Univ, Sch Ocean & Civil Engn, Shanghai 200240, Peoples R China;

    Western Sydney Univ, Sch Comp Engn & Math, Locked Bag 1797, Penrith, NSW 2751, Australia|Western Sydney Univ, Ctr Infrastruct Engn, Locked Bag 1797, Penrith, NSW 2751, Australia;

    Shanghai Jiao Tong Univ, Sch Aeronaut & Astronaut, Shanghai 200240, Peoples R China|Western Sydney Univ, Sch Comp Engn & Math, Locked Bag 1797, Penrith, NSW 2751, Australia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Functionally graded materials; Nanocomposites; Nonlinear vibration; Cylindrical shell; Temperature-dependent properties;

    机译：功能梯度材料;纳米复合材料;非线性振动;圆柱壳;与温度有关的特性;

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