全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

开口及边界条件对复合材料三分之一柱面壳压缩屈曲性能的影响

, PP. 1525-1531

Keywords: 复合材料,柱面壳,刚度,屈曲,边界条件

Full-Text   Cite this paper   Add to My Lib

Abstract:

研究了完整、开口周边加强及开口加口盖3种型式的复合材料三分之一柱面壳的压缩屈曲性能,考查了3种典型复合材料柱面壳的轴压屈曲强度,分析了开口及口盖对柱面壳压缩稳定性的影响.结果表明:开口大大降低了柱面壳的轴压屈曲强度;口盖可以部分恢复其强度,但很难达到开口之前的水平.进行了开口加口盖经编织物铺层三分之一柱面壳轴向压缩试验,其轴压屈曲强度比用平面织物制造的相同结构的降低很多.为了探究其轴压屈曲强度比同类结构偏低很多的原因,进行了非均匀加载复合材料柱面壳模型有限元分析.结果表明:柱面壳边界不均匀加载会降低其承载能力,根据柱面壳刚度分布制定边界载荷可以提高其承载能力.

References

[1]  范 舟, 程小全, 李钟海, 等. 带口盖复合材料柱面壳压缩性能 [J]. 北京航空航天大学学报, 2013, 39(1): 89-94. Fan Zhou, Cheng Xiaoquan, Li Zhonghai, et al. Compressive behavior of composite cylinder shell [J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(1): 89-94.
[2]  王珂晟, 刘国强, 朱晓莹. 含初始缺陷的加强复合材料圆柱壳的非线性屈曲分析 [J]. 机械设计与制造, 2004(2): 63-65. Wang Kesheng, Liu Guoqiang, Zhu Xiaoying. Analysis on nonlinear buckling of reinforced laminated composite cylindrical shell with initial imperfection [J]. Machinery Design and Manufacture, 2004(2): 63-65.
[3]  王 蔓, 白瑞祥, 杨继新. 碳纤维增强聚合物基复合材料修补空心柱体结构的屈曲分析 [J]. 大连工业大学学报, 2010, 29(4): 234-239. Wang Man, Bai Ruixiang, Yang Jixin. Bucking analysis of hollow cylinder structure strengthened with CFRP laminates [J]. Journal of Dalian Polytechnic University, 2010, 29(4): 234-239.
[4]  赵 阳, 金 锋. 轴压作用下矩形开口圆柱面壳的稳定 [J]. 工程设计学报, 2004, 11(5): 249-255. Zhao Yang, Jin Feng. Stability of cylindrical shell with rectangular openings subjected to axial compression [J]. Journal of Engineering Design, 2004, 11(5): 249-255.
[5]  王 毅, 罗永峰, 沈惠申. 各向异性复合材料圆柱薄壳轴压下的屈曲性能 [J]. 同济大学学报, 2002, 30(6): 673-679. Wang Yi, Luo Yongfeng, Shen Huishen. Post buckling analysis imperfect stiffened laminated cylindrical shell under axial compression [J]. Journal of Tongji University, 2002, 30(6): 673-679.
[6]  Hu H T, Yang J S. Buckling optimization of laminated cylindrical panels subjected to axial compressive load [J]. Composite Structures, 2007, 81(3): 374-385.
[7]  Hilburger M W, Starnes Jr J H. Buckling behavior of compression-loaded composite cylindrical shells with reinforced cutouts [J]. International Journal of Non-Linear Mechanics, 2005, 40(7): 1005-1021.
[8]  Shadmehri F, Hoa S V, Hojjati M. Buckling of conical composite shells [J]. Composite Structures, 2012, 94(2): 787-792.
[9]  李钟海, 程小全, 汪源龙, 等. 复合材料柱面壳压缩性能分析 [J]. 复合材料学报, 2011, 28(1): 206-210. Li Zhonghai, Cheng Xiaoquan, Wang Yuanlong, et al. Compressive properties analysis of composite cylindrical shells [J]. Acta Materiae Compositae Sinica, 2011, 28(1): 206-210.
[10]  阎崇年, 范 舟, 程小全, 等. 含开口复合材料柱面壳压缩性能 [J]. 北京航空航天大学学报, 2012, 38(10): 920-924. Yan Chongnian, Fan Zhou, Cheng Xiaoquan, et al. Compressive behavior of composite cylindrical shell with open hole [J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(10): 920-924.
[11]  闫 光, 范 舟, 李钟海, 等. 复合材料加口盖柱壳的设计与分析 [J]. 吉林大学学报: 工学版, 2012, 42(6): 1437-1441. Yan Guang, Fan Zhou, Li Zhonghai, et al. Analysis and design of composite cylindrical shell with cover [J]. Journal of Jilin University: Engineering and Technology Edition, 2012, 42(6): 1437-1441.
[12]  李钟海, 程小全, 张纪奎. 开口复合材料柱壳屈曲与补救有限元分析 [J]. 应用力学学报, 2011, 28(2): 172-176. Li Zhonghai, Cheng Xiaoquan, Zhang Jikui. Finite element analysis of buckling and salvage of a composite cylindrical shell with an open hole [J]. Chinese Journal of Applied Mechanics, 2011, 28(2): 172-176.
[13]  武鹏飞, 程小全, 张 涛, 等. 穿透裂纹对开口复合材料柱壳屈曲性能的影响 [J]. 高分子材料科学与工程, 2013, 29(10): 179-182. Wu Pengfei, Cheng Xiaoquan, Zhang Tao, et al. Effect of penetrated crack on compressive buckling performance of composite cylindrical shells with an open hole [J]. Polymer Materials Science & Engineering, 2013, 29(10): 179-182.
[14]  杨 勇. 薄壁圆柱壳在不均匀沉降下的试验研究 [D]. 杭州: 浙江大学, 2011. Yang Yong. Experimental investigation of thin-walled cylindrical shells under differential settlement [D]. Hangzhou: Zhejiang University, 2011.
[15]  Godoy L A, Sosa E M. Localized support settlements of thin-walled storage tanks [J]. Thin-Walled Structures, 2003, 41(10): 941-955.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133