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带口盖复合材料柱壳压缩性能

范舟 程小全 李钟海 胡仁伟

范舟, 程小全, 李钟海, 等 . 带口盖复合材料柱壳压缩性能[J]. 北京航空航天大学学报, 2013, (1): 89-94.
引用本文: 范舟, 程小全, 李钟海, 等 . 带口盖复合材料柱壳压缩性能[J]. 北京航空航天大学学报, 2013, (1): 89-94.
Fan Zhou, Cheng Xiaoquan, Li Zhonghai, et al. Compressive behavior of composite cylinder shell with cover[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, (1): 89-94. (in Chinese)
Citation: Fan Zhou, Cheng Xiaoquan, Li Zhonghai, et al. Compressive behavior of composite cylinder shell with cover[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, (1): 89-94. (in Chinese)

带口盖复合材料柱壳压缩性能

详细信息
  • 中图分类号: TB 33

Compressive behavior of composite cylinder shell with cover

  • 摘要: 研究了1/3弧长带有口盖复合材料柱壳的压缩行为.实验测试的带口盖柱壳结构在压缩后发生局部屈曲变形,无后屈曲现象发生,屈曲破坏载荷为118.944 kN.利用ABAQUS有限元软件建立相应有限元模型计算其屈曲破坏行为,并将计算结果与实验结果进行比较,证明所建立的模型正确有效.利用所建立的模型,探究提高结构屈曲载荷的方法.研究表明:补片与口盖的铺层角度对结构的屈曲载荷有直接影响,如果补片与口盖的铺层角度由0°变为20°后,结构屈曲载荷可以分别提高6.8%和2.4%;补片厚度也与结构屈曲载荷相关,但试图增加现有补片厚度来提高结构屈曲载荷方法并不十分理想.当补片厚度由11层提高到16层时,结构屈曲载荷也仅提高了2.37%,考虑成本与重量因素,此方法与改变铺层角度相比不可取.

     

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出版历程
  • 收稿日期:  2011-10-14
  • 网络出版日期:  2013-01-31

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