玻璃钢/复合材料Issue(4)：41-45,5.
复合材料格栅结构扁球壳的外压稳定性分析
BUCKLING RESPONSE ANALYSIS OF THE GRID STIFFENED COMPOSITE SHALLOW SPHERICAL SHELL UNDER EXTERNAL PRESSURE
蔡奕霖 1周仕刚 1宫占锋 2薛元德1
作者信息
- 1. 同济大学航空航天与力学学院,上海 200092
- 2. 上海飞机设计研究院,上海 200232
- 折叠
摘要
Abstract
In the paper, the buckling and post-buckling response of the composite shallow spherical shell under external pressure was obtained by using the nonlinear finite element method. The effects of ply sequence, geometric parameters and boundary conditions on the buckling and post-buckling response were discussed. Then the stiffened composite spherical shell structure was simulated. Based on the analyses of longitudinal and latitudinal stiffened structure, an optimized grid stiffened structure was carried out. The results show that the grid stiffener effectively improves the anti-buckling ability of the spherical shell structure. The method and conclusions provided in the paper can be useful for the design of aircraft spherical components such as the rear pressure bulkhead.关键词
复合材料/格栅结构/扁球壳/稳定性/后压力框Key words
composites/ grid stiffened structure/ shallow spherical shell/ buckling/ rear pressure bulkhead分类
通用工业技术引用本文复制引用
蔡奕霖,周仕刚,宫占锋,薛元德..复合材料格栅结构扁球壳的外压稳定性分析[J].玻璃钢/复合材料,2012,(4):41-45,5.
