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复合材料结构组件抗坠毁试验与渐进失效分析

罗海波 燕瑛 孟祥吉 梁祖典 侯康 宫少波

罗海波, 燕瑛, 孟祥吉, 等 . 复合材料结构组件抗坠毁试验与渐进失效分析[J]. 北京航空航天大学学报, 2014, 40(12): 1719-1724. doi: 10.13700/j.bh.1001-5965.2014.0008
引用本文: 罗海波, 燕瑛, 孟祥吉, 等 . 复合材料结构组件抗坠毁试验与渐进失效分析[J]. 北京航空航天大学学报, 2014, 40(12): 1719-1724. doi: 10.13700/j.bh.1001-5965.2014.0008
Luo Haibo, Yan Ying, Meng Xiangji, et al. Progressive failure analysis and crashworthiness experiment for composite structural discreteness[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(12): 1719-1724. doi: 10.13700/j.bh.1001-5965.2014.0008(in Chinese)
Citation: Luo Haibo, Yan Ying, Meng Xiangji, et al. Progressive failure analysis and crashworthiness experiment for composite structural discreteness[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(12): 1719-1724. doi: 10.13700/j.bh.1001-5965.2014.0008(in Chinese)

复合材料结构组件抗坠毁试验与渐进失效分析

doi: 10.13700/j.bh.1001-5965.2014.0008
基金项目: 国家973 计划资助项目(2011CB606105)
详细信息
    作者简介:

    罗海波(1986-),男,重庆人,博士生,x301860@126.com.

  • 中图分类号: TB332;O347.1

Progressive failure analysis and crashworthiness experiment for composite structural discreteness

  • 摘要: 对复合材料吸能结构盒段进行了耐撞性(crashworthiness)试验研究,得到吸能所关心的载荷-位移曲线,并获得相应的平均载荷、峰值载荷以及吸收总能量相关吸能参数.考虑复合材料的各向异性本构关系,对有限元软件进行了二次开发.考虑含刚度退化的Hashin失效准则对结构组件进行渐进失效数值分析讨论.基于扩展的失效准则,设置相应的渐进削弱式的薄弱环节,模拟得到了吸能评价参数平均载荷值,数值计算得到的平均载荷值为361.10 kN.并与试验结果进行了比较,其相对误差不超过7%,计算结果与试验结果取得较好一致性,表明这种方法模拟分析结构组件抗坠毁是有效可行的.

     

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出版历程
  • 收稿日期:  2014-01-09
  • 网络出版日期:  2014-12-20

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