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侧边边界条件对铝合金加筋板轴压性能的影响

徐荣章 关志东 蒋思远

徐荣章, 关志东, 蒋思远等 . 侧边边界条件对铝合金加筋板轴压性能的影响[J]. 北京航空航天大学学报, 2016, 42(1): 187-192. doi: 10.13700/j.bh.1001-5965.2015.0022
引用本文: 徐荣章, 关志东, 蒋思远等 . 侧边边界条件对铝合金加筋板轴压性能的影响[J]. 北京航空航天大学学报, 2016, 42(1): 187-192. doi: 10.13700/j.bh.1001-5965.2015.0022
XU Rongzhang, GUAN Zhidong, JIANG Siyuanet al. Influence of side boundary condition on compression performance of aluminum alloys stiffened panels[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(1): 187-192. doi: 10.13700/j.bh.1001-5965.2015.0022(in Chinese)
Citation: XU Rongzhang, GUAN Zhidong, JIANG Siyuanet al. Influence of side boundary condition on compression performance of aluminum alloys stiffened panels[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(1): 187-192. doi: 10.13700/j.bh.1001-5965.2015.0022(in Chinese)

侧边边界条件对铝合金加筋板轴压性能的影响

doi: 10.13700/j.bh.1001-5965.2015.0022
详细信息
    作者简介:

    徐荣章男,硕士研究生。主要研究方向:飞行器复合材料结构设计。Tel.:010-82338873E-mail:buaa_xrz@163.com;关志东男,博士,教授,博士生导师。主要研究方向:复合材料结构设计和复合材料力学。Tel.:010-82338873E-mail:D5062010@163.com

    通讯作者:

    关志东,Tel.:010-82338873E-mail:D5062010@163.com

  • 中图分类号: V257;TB330.1

Influence of side boundary condition on compression performance of aluminum alloys stiffened panels

  • 摘要: 工程实际中,飞机加筋板结构受到梁或墙限制而呈简支状态,侧边受约束的高强铝合金加筋板在轴向压缩时,表现出与侧边自由加筋板不同的压缩特性。本文就此问题进行了试验和数值模拟研究。轴压试验中,通过影像云纹和应变计监测试验件屈曲及后屈曲过程。基于ABAQUS软件建立有限元模型,采用含韧性损伤和剪切损伤的Johnson-Cook本构模型,研究不同侧边约束下加筋板轴压特性。计算结果与试验结果相吻合,研究表明:侧边简支加筋板蒙皮同时发生失稳,而侧边自由加筋板侧边蒙皮首先发生失稳,侧边自由加筋板失稳载荷虽远低于侧边简支加筋板,但其结构破坏强度仅下降约9%。

     

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出版历程
  • 收稿日期:  2015-01-11
  • 刊出日期:  2016-01-20

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