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铝蜂窝夹芯板低速动态冲击响应研究

陈佳明 朱涛 肖守讷 丁浩谞 阳光武 杨冰

陈佳明,朱涛,肖守讷, 等. 铝蜂窝夹芯板低速动态冲击响应研究[J]. 机械科学与技术,2023,42(3):345-351 doi: 10.13433/j.cnki.1003-8728.20200581
引用本文: 陈佳明,朱涛,肖守讷, 等. 铝蜂窝夹芯板低速动态冲击响应研究[J]. 机械科学与技术,2023,42(3):345-351 doi: 10.13433/j.cnki.1003-8728.20200581
CHEN Jiaming, ZHU Tao, XIAO Shoune, DING Haoxu, YANG Guangwu, YANG Bing. Exploring Low-speed Dynamic Impact Response of AluminumHoneycomb Sandwich Panel[J]. Mechanical Science and Technology for Aerospace Engineering, 2023, 42(3): 345-351. doi: 10.13433/j.cnki.1003-8728.20200581
Citation: CHEN Jiaming, ZHU Tao, XIAO Shoune, DING Haoxu, YANG Guangwu, YANG Bing. Exploring Low-speed Dynamic Impact Response of AluminumHoneycomb Sandwich Panel[J]. Mechanical Science and Technology for Aerospace Engineering, 2023, 42(3): 345-351. doi: 10.13433/j.cnki.1003-8728.20200581

铝蜂窝夹芯板低速动态冲击响应研究

doi: 10.13433/j.cnki.1003-8728.20200581
基金项目: 四川省科技计划项目(2019YJ0216)与牵引动力国家重点实验室自主课题(2019TPL_T13)
详细信息
    作者简介:

    陈佳明(1997−),硕士研究生,研究方向为轨道交通车辆被动安全性,413033354@qq.com

    通讯作者:

    朱涛,副研究员,硕士生导师,zhutao034@swjtu.cn

  • 中图分类号: TB301

Exploring Low-speed Dynamic Impact Response of AluminumHoneycomb Sandwich Panel

  • 摘要: 为研究不同结构参数对质量相同、强度不同的两种铝蜂窝夹芯板低速动态冲击响应的影响,建立了铝蜂窝夹芯板受半球型落锤低速冲击的数值模型,并将有限元计算结果与试验结果进行对比,检验了模型的可靠性。在此基础上,对比研究了不同上下铝板厚度和不同蜂窝芯壁厚对两种铝蜂窝夹芯板在低速冲击下吸能效果的影响。结果表明:在质量相同的情况下,强度小、高度大的夹芯板在低速冲击下力-位移曲线更易出现双峰模式,增加蜂窝芯壁厚或是上下铝板厚度都会使第一次的峰值力增加,第二次峰值力降低;强度小、高度大的夹芯板蜂窝芯在低速冲击中吸能占比更多,强度大、高度小的则是上层铝板吸收的能量更多,前者的质量、体积比吸能更高;铝蜂窝夹芯板质量比吸能和体积比吸能与壁厚边长比、板厚芯高比均呈幂次关系。
  • 图  1  蜂窝夹芯板有限元模型

    图  2  蜂窝夹芯板接触面冲击力对比[6]

    图  3  落锤冲击结束后试验和仿真的结果对比[6]

    图  4  两类蜂窝在不同壁厚t下的位移-冲击力曲线

    图  5  两类夹芯板在不同板厚h下的位移-冲击力曲线

    图  6  两类夹芯板在不同蜂窝芯壁厚t时的吸能对比

    图  7  两类夹芯板在不同铝板厚度h时的吸能对比

    图  8  不同蜂窝芯壁厚下的质量比吸能拟合曲线

    图  9  不同蜂窝芯壁厚下的体积比吸能拟合曲线

    图  10  不同铝板厚度下的质量比吸能拟合曲线

    图  11  不同铝板厚度下的体积比吸能拟合曲线

    表  1  两种类型蜂窝的尺寸

    蜂窝类型胞元边长/mm胞元壁厚/mm蜂窝高度/mm
    A3.50.045
    B7.00.0410
    下载: 导出CSV

    表  2  两种类型夹芯板在不同铝蜂窝芯壁厚下的吸能总量

    铝蜂窝芯壁厚t/mmA型吸能总量/JB型吸能总量/J
    0.0443.0744.52
    0.0543.0544.20
    0.0643.144.06
    0.0743.3544.11
    0.0843.2643.67
    下载: 导出CSV

    表  3  两种类型夹芯板在不同铝板厚度下的吸能总量

    铝板厚度h/mmA型吸能总量/JB型吸能总量/J
    0.843.9844.61
    0.943.4244.43
    1.043.0744.52
    1.142.4244.75
    1.242.0844.82
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-03-01
  • 网络出版日期:  2023-04-21
  • 刊出日期:  2023-03-25

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