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Vibration of functionally graded Mindlin plate based on a modified strain gradient elasticity theory

机译:基于改进的应变梯度弹性理论的功能梯度思维板的振动

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Vibrational behavior of functionally graded(FG)microplates is investigated by a new modified strain gradient Mindlin plate(MSGMP)model.With the help of Hamilton's principle,the dynamic equation is easily obtained.Furthermore,the general forms of boundary conditions are gotten by using coordinate transformation.The MSGMP model can be degenerated to a couple stress elastic Mindlin plate model or the classical Mindlin plate(CMP)model.Analytical solutions of vibrational problem of a rectangular microplate with four simply supported edges are gotten.Numerical results reveal significant effects of the dimensionless nonlocal parameters,the power law index and vibration mode on the free vibration behavior of FG plate.
机译:通过新的改进的应变梯度思维板(MSGMP)模型研究了功能梯度(FG)微孔板的振动行为。在汉密尔顿原理的帮助下,可以轻松获得动态方程。用诸如使用,通过使用的常规形式的边界条件的形式坐标转换。MSGMP模型可以退化为几个应激弹性型棉花板模型或经典的思维板(CMP)模型。具有四个简单支持的边缘的矩形微孔板的振动问题的分析解决方案。数值结果显示出显着影响无量纲的非局部参数,电力法指数和振动模式对FG板的自由振动行为。

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