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首页> 外文期刊>Journal of thermal stresses >TRANSIENT THERMO-MECHANICAL ANALYSIS OF FUNCTIONALLY GRADED HOLLOW CIRCULAR CYLINDERS
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TRANSIENT THERMO-MECHANICAL ANALYSIS OF FUNCTIONALLY GRADED HOLLOW CIRCULAR CYLINDERS

机译:功能梯度空心圆柱的瞬态热力学分析

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摘要

Thermo-mechanical analysis of functionally graded hollow circular cylinders subjected to axisymmetric mechanical and transient thermal loads is carried out in this study. Thermo-mechanical properties of functionally graded materials (FGM) are assumed to be temperature independent and vary continuously in the radial direction of the cylinder. Employing the Laplace transform, the Galerkin method and series method for ordinary differential equations, solutions for the time-dependent temperature and transient thermo-mechanical stresses are obtained. As an example, a molybdenum/mullite FGM with material properties obeying the exponential law is considered. Effects of heat transfer coefficients and gradient parameters of FGM on the time-dependent temperature and transient thermal stresses are discussed in detail
机译:在这项研究中进行了功能梯度空心圆柱轴对称的机械和瞬态热负荷的热力学分析。假定功能梯度材料(FGM)的热机械特性与温度无关,并且在圆柱体的径向方向上连续变化。利用拉普拉斯变换,Galerkin方法和常微分方程的级数方法,获得了随时间变化的温度和瞬态热机械应力的解。例如,考虑具有遵循指数定律的材料特性的钼/莫来石FGM。详细讨论了FGM的传热系数和梯度参数对随时间变化的温度和瞬态热应力的影响

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