基于三维弹性理论，导出了带有压电层的圆柱形梯度壳的动力学方程以及相应的边界条件。
Based on 3d elastic theory, the dynamic equations and corresponding boundary conditions about the cylindrical functionally graded shell bonded piezoelectric layers were presented.
文中求得了周边简支多边形板的弹性改进理论解，数值结果与三维弹性理论精确解的结果非常接近。
The solution of the refined theory for simply supported polygonal plates has been obtained; and its numerical result is very close to the exact solution of the three-dimensional theory of elasticity.
采用弹性力学理论及正交各向异性材料三维弹性理论，利用相应的强度准则对复合层合管进行强度分析计算。
The strength analysis and calculation have been achieved by use of the linear elastic theory, elastic theory of 3 dimension orthotropic materials and relevant strength criterion.
本文采用三维各向异性弹性理论直接求解纤维增强的复合材料叠层圆柱壳体在轴向载荷作用下的位移场和应力场。
In this paper, the displacement and stress fields for a composite laminated circular shell under axial load are solved by. using three-dimensional anisotropic elasticity theory.
本文采用三维各向异性弹性理论直接求解纤维增强的复合材料叠层圆柱壳体在轴向载荷作用下的位移场和应力场。
In this paper, the displacement and stress fields for a composite laminated circular shell under axial load are solved by. using three-dimensional anisotropic elasticity theory.
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