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.
封隔器胶筒的密封性能直接制约其使用性能，且胶筒属于超弹性材料，在井下多种载荷作用下，其力学行为复杂。
Sealing property of rubber directly restrict its usability. Rubber is a type of super elastic material. Its mechanics behavior is complication under multi-strain in down hole.
运用本文模型可以直接计算指定载荷作用次数下，存在共因失效时的多状态系统可靠度。
When the times of load are designated and a common cause failure exists, the reliability of a multi-state system can be calculated directly by means of the model proposed.
应用推荐