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首页> 外文期刊>Journal of thermal stresses >Thermoelastic vibration of doubly-curved nano-composite shells reinforced by graphene nanoplatelets
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Thermoelastic vibration of doubly-curved nano-composite shells reinforced by graphene nanoplatelets

机译：石墨烯纳米片增强的双弯曲纳米复合壳的热弹性振动

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摘要

The thermo-mechanical vibration characteristics of doubly-curved nano-composite shells reinforced by graphene nanoplatelets are investigated by considering a uniform distribution of graphene and a first-order shear deformation theory. The mechanical properties of the nano-composite shells are estimated by using the modified Halpin-Tsai model. The governing equations are first derived by a variational formulation using Hamilton's principle and are solved using the Galerkin technique. Numerical results are presented for various shell curvatures and compared with those available in the archival literature. Furthermore, parametric studies are offered to highlight the significant influence of graphene nanoplatelets' weight fraction, dimensions of graphene nanoplatelets, and temperature variation, on the free vibration of the nano-composite shells.
机译：考虑石墨烯的均匀分布和一阶剪切变形理论，研究了石墨烯纳米片增强的双弯曲纳米复合壳的热机械振动特性。通过使用改良的Halpin-Tsai模型估算纳米复合材料壳的机械性能。首先使用汉密尔顿原理通过变分公式导出控制方程，然后使用Galerkin技术对其求解。给出了各种壳曲率的数值结果，并与档案文献中的数值结果进行了比较。此外，提供了参数研究，以突出石墨烯纳米片的重量分数，石墨烯纳米片的尺寸和温度变化对纳米复合壳自由振动的重大影响。

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