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The Dynamic Response and Vibration of Functionally Graded Carbon Nanotube-Reinforced Composite (FG-CNTRC) Truncated Conical Shells Resting on Elastic Foundations

机译:功能梯度碳纳米管增强复合材料(FG-CNTRC)截断的圆锥形壳体基于弹性基础的动力响应和振动

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摘要

Based on the classical shell theory, the linear dynamic response of functionally graded carbon nanotube-reinforced composite (FG-CNTRC) truncated conical shells resting on elastic foundations subjected to dynamic loads is presented. The truncated conical shells are reinforced by single-walled carbon nanotubes (SWCNTs) that vary according to the linear functions of the shell thickness. The motion equations are solved by the Galerkin method and the fourth-order Runge–Kutta method. In numerical results, the influences of geometrical parameters, elastic foundations, natural frequency parameters, and nanotube volume fraction of FG-CNTRC truncated conical shells are investigated. The proposed results are validated by comparing them with those of other authors.
机译:基于经典壳理论,提出了功能梯度碳纳米管增强复合材料(FG-CNTRC)截顶圆锥壳在动态载荷作用下位于弹性基础上的线性动力响应。截顶圆锥形外壳由单壁碳纳米管(SWCNT)增强,该碳纳米管根据外壳厚度的线性函数而变化。通过Galerkin方法和四阶Runge-Kutta方法求解运动方程。在数值结果中,研究了FG-CNTRC截头圆锥壳的几何参数,弹性基础,固有频率参数和纳米管体积分数的影响。通过与其他作者进行比较来验证所提出的结果。

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