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首页> 外文期刊>Journal of thermal stresses >Thermo-hygro-mechanical bending and vibration of functionally graded material microbeams with microporosity defect
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Thermo-hygro-mechanical bending and vibration of functionally graded material microbeams with microporosity defect

机译：具有微孔隙缺损的功能渐变材料微观微观的热厕所 - 机械弯曲和振动

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摘要

In this study, the thermo-hygro-mechanical bending and vibration of functionally graded material (FGM) microbeams with microporosity defect are investigated. The mathematical model of the system is developed by using the sinusoidal beam theory and the modified couple stress theory. Based on Hamilton's principle, the governing equations and boundary conditions of imperfect FGM microbeams are derived. Then, Navier's method is utilized to calculate the deflections and natural frequencies of the system. Analytical results are presented to illustrate the effects of the microporosity volume fraction, the microporosity distribution type, the power-law index, the temperature and the moisture on the static bending and free vibration of imperfect FGM microbeams.
机译：在该研究中，研究了具有微孔隙率缺陷的功能渐变材料（FGM）微观的热效机械弯曲和振动。通过使用正弦光束理论和改进的夫妇应力理论，开发了系统的数学模型。基于汉密尔顿的原理，推导出无瑕疵的FGM Microbeams的控制方程和边界条件。然后，利用Navier的方法来计算系统的偏转和自然频率。提出了分析结果以说明微孔体积分数，微孔分布型，电力法指数，温度和水分对静态弯曲的影响和不完美的FGM微沟。

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