强爆轰驱动飞片的数值模拟研究

袁帅 文尚刚 李平 董玉斌

袁帅, 文尚刚, 李平, 董玉斌. 强爆轰驱动飞片的数值模拟研究[J]. 爆炸与冲击, 2015, 35(2): 197-202. doi: 10.11883/1001-1455(2015)02-0197-06
引用本文: 袁帅, 文尚刚, 李平, 董玉斌. 强爆轰驱动飞片的数值模拟研究[J]. 爆炸与冲击, 2015, 35(2): 197-202. doi: 10.11883/1001-1455(2015)02-0197-06
Yuan Shuai, Wen Shang-gang, Li Ping, Dong Yu-bin. Simulation of free surface particle velocity of flyer under the strong detonation drive[J]. Explosion And Shock Waves, 2015, 35(2): 197-202. doi: 10.11883/1001-1455(2015)02-0197-06
Citation: Yuan Shuai, Wen Shang-gang, Li Ping, Dong Yu-bin. Simulation of free surface particle velocity of flyer under the strong detonation drive[J]. Explosion And Shock Waves, 2015, 35(2): 197-202. doi: 10.11883/1001-1455(2015)02-0197-06

强爆轰驱动飞片的数值模拟研究

doi: 10.11883/1001-1455(2015)02-0197-06
基金项目: 国防科技工业基础科研项目(A1520070075)
详细信息
    作者简介:

    袁帅(1972—), 男, 硕士, 工程师, yscaep_01@sina.com.cn

  • 中图分类号: O381

Simulation of free surface particle velocity of flyer under the strong detonation drive

  • 摘要: 在一维流体动力学程序中,使用了JWLT状态方程,对强爆轰驱动飞片的实验模型进行了数值模拟研究,得到了炸药爆轰产物的压力和密度分布,验证了强爆轰的存在,同时得到了二级飞片自由面的速度曲线,与实验测量结果符合较好,为解释实验结果和设计新的强爆轰实验提供了计算依据,同时验证了程序的正确性。
  • 图  1  炸药的压力分布

    Figure  1.  Distribution of pressure in explosion JO-9159

    图  2  炸药的密度分布

    Figure  2.  Distribution of density in explosion JO-9159

    图  3  实验1的自由面速度

    Figure  3.  Free surface velocity of experiment 1

    图  4  实验2的自由面速度

    Figure  4.  Free surface velocity of experiment 2

    图  5  实验3的自由面速度

    Figure  5.  Free surface velocity of experiment 3

    表  1  实验模型参数

    Table  1.   The parameter of experiment model

    No.L1/mmv0/(km·s-1)L2/mmL3/mmL4/mm
    12.524.973.990.510.47
    22.526.093.980.500.48
    32.535.894.000.500.36
    下载: 导出CSV

    表  2  材料参数

    Table  2.   The parameter of material

    材料强度参数状态方程参数
    ρ/(g·cm-3)G/GPaY/GPac0/(km·s-1)λΓ
    7.8583.10.603.4492.0871.69
    有机玻璃1.1862.320.152.5661.6240.85
    下载: 导出CSV
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出版历程
  • 收稿日期:  2013-07-12
  • 修回日期:  2013-09-26
  • 刊出日期:  2015-03-25

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