水下接触爆炸作用下金属/CFRP复合层合板的防护性能

赵豫熙 袁浩天 王须民 张之凡

赵豫熙, 袁浩天, 王须民, 张之凡. 水下接触爆炸作用下金属/CFRP复合层合板的防护性能[J]. 高压物理学报. doi: 10.11858/gywlxb.20240801
引用本文: 赵豫熙, 袁浩天, 王须民, 张之凡. 水下接触爆炸作用下金属/CFRP复合层合板的防护性能[J]. 高压物理学报. doi: 10.11858/gywlxb.20240801
ZHAO Yuxi, YUAN Haotian, WANG Xumin, ZHANG Zhifan. Protective Properties of Metal/CFRP Composite Laminates Subjected to Underwater Contact Explosion[J]. Chinese Journal of High Pressure Physics. doi: 10.11858/gywlxb.20240801
Citation: ZHAO Yuxi, YUAN Haotian, WANG Xumin, ZHANG Zhifan. Protective Properties of Metal/CFRP Composite Laminates Subjected to Underwater Contact Explosion[J]. Chinese Journal of High Pressure Physics. doi: 10.11858/gywlxb.20240801

水下接触爆炸作用下金属/CFRP复合层合板的防护性能

doi: 10.11858/gywlxb.20240801
基金项目: 国家自然科学基金(52271307,52061135107,52192692);中央高校基本科研业务费(DUT20TD108);辽宁省兴辽英才计划(XLYC1908027);大连市重点领域创新团队(2020RT03)
详细信息
    作者简介:

    赵豫熙(2000-),男,硕士研究生,主要从事水下爆炸与舰船防护研究. E-mail:zyx1758654186@163.com

    通讯作者:

    张之凡(1990-),女,博士,副教授,主要从事水下爆炸与舰船防护研究. E-mail:zhifanzhang@dlut.edu.cn

  • 中图分类号: O382.1

Protective Properties of Metal/CFRP Composite Laminates Subjected to Underwater Contact Explosion

  • 摘要: 碳纤维增强复合材料(carbon fiber-reinforced polymer,CFRP)具有优异的抗爆性能,逐渐被应用于舰船结构的抗爆抗冲击设计中。为了探究水下接触爆炸作用下金属/CFRP复合层合板的防护性能,基于任意拉格朗日-欧拉方法,建立了水下接触爆炸对金属/CFRP复合层合板毁伤的流固耦合数值模型,分析了层合板在承受水下爆炸载荷后的变形和吸能特点,比较了不同铺层方式对结构抗爆性能的影响,结果显示,钢/CFRP/钢结构的抗爆性能较优。针对钢/CFRP/钢结构,探究了CFRP的厚度对吸能效果的影响,并进行了厚度优化,得到了较优的厚度比,即1.1∶4.0∶1.1。

     

  • 图  实验[25]与数值仿真结果的对比

    Figure  1.  Comparison of experimental[25] and numerical simulation results

    图  水下爆炸作用下实验[26] 和数值仿真得到的靶板变形

    Figure  2.  Target plate deformation of experiment[26] and numerical simulation under underwater explosion

    图  水下爆炸对靶板作用的有限元模型

    Figure  3.  Finite element model of underwater explosion on target plate

    图  不同爆距处冲击波峰值压力随网格尺寸的变化

    Figure  4.  Variation of peak pressure of shock wave with grid size at different detonation distances

    图  作用于靶板的水下爆炸冲击波压力

    Figure  5.  Shock wave pressure of underwater explosion on target plate

    图  工况4中不同时刻层合板中各层的Mises应力

    Figure  6.  Mises stress of each layer of laminates at different times in Case 4

    图  t=300 μs时工况1~工况5中靶板的位移

    Figure  7.  Displacements of target plates at t=300 μs in Case 1−Case 5

    图  工况1中气泡的脉动过程

    Figure  8.  Bubble pulsation process in Case 1

    图  工况4中气泡的脉动过程

    Figure  9.  Bubble pulsation process in Case 4

    图  10  靶板中心挠度变化曲线

    Figure  10.  Change curve of center deflection of target plate

    图  11  计算终止时刻工况1~工况5中的靶板位移

    Figure  11.  Displacements of target plates at the termination time in Case 1−Case 5

    图  12  工况1~工况5中靶板各层的内能及其占比

    Figure  12.  Internal energy and its proportion of each layer of the target plate in Case 1−Case 5

    图  13  计算终止时刻工况6~工况10中的靶板位移

    Figure  13.  Displacements of target plates at the termination time in Case 6−Case 10

    表  1  RDX的材料模型及JWL状态方程参数[21]

    Table  1.   Parameters of RDX material model and JWL equation of state[21]

    Density/(g·cm−3)A/GPaB/GPaR1R2ωD/(m·s−1)e/(GJ·m−3)pCJ/GPa
    1.69850184.61.30.3883101030.15
    下载: 导出CSV

    表  2  空气的材料参数[22]

    Table  2.   Material parameters of air[22]

    Density/(kg·m−3)C0C1C2C3C4C5e/(J·cm−3)
    1.29300000.40.40.25
    下载: 导出CSV

    表  3  水的材料参数[23]

    Table  3.   Material parameters of water[23]

    Density/(g·cm−3) c/(m·s−1) S1 S2 S3 γ0 v0
    1 1647 1.92 −0.096 0 0.35 1
    下载: 导出CSV

    表  4  Q235钢的材料参数[22]

    Table  4.   Material parameters of Q235 steel[22]

    Density/(g·cm−3) E/GPa μ σ0/MPa ET/MPa C/s−1 P
    7.83 207 0.3 235 375 40.4 5
    下载: 导出CSV

    表  5  CFRP的材料参数[24]

    Table  5.   Material properties of CFRP[24]

    Density/(g·cm−3) Ea/GPa Eb/GPa Gab/GPa Gbc/GPa Gca/GPa
    1.53 53.81 53.81 5.8 2.9 2.9
    μ Xt/MPa Xc/MPa Yt/MPa Yc/MPa
    0.04 680 741 800 728
    下载: 导出CSV

    表  6  实验[25]与数值仿真结果的对比

    Table  6.   Comparison of experimental[25] and numerical simulation results

    Method rmax/m tb1/ms Tb/ms
    Experiment 0.50 50 94
    Simulation 0.54 45 92
    Relative error/% 8 −10 −2.13
    下载: 导出CSV

    表  7  TNT炸药的材料模型及JWL方程参数[23]

    Table  7.   Parameters of TNT material model and JWL equation[23]

    Density/(g·cm−3)A/GPaB/GPaR1R2ωD/(m·s−1)E/(GJ·m−3)pCJ/GPa
    1.633717.434.150.950.36930727
    下载: 导出CSV

    表  8  低碳钢的材料参数[26]

    Table  8.   Material parameters of mild steel[26]

    Density/(g·cm−3)E/GPaμσ0/MPaET/MPa
    7.862100.3300250
    下载: 导出CSV

    表  9  工况 1~工况5中靶板的设置

    Table  9.   Target plates setup in Case 1−Case 5

    Case Target plate (thickness) $ {\rho }_{\mathrm{t}} $/(g·cm−2)
    1 Q235 steel (3.0 mm) 2.349
    2 CFRP (5.0 mm, face plate)/Q235 steel (2.0 mm) 2.331
    3 CFRP (5.0 mm, back plate)/Q235 steel (2.0 mm) 2.331
    4 Q235 steel (1.0 mm)/CFRP (5.0 mm)/Q235 steel (1.0 mm) 2.331
    5 CFRP (2.5 mm)/Q235 steel (2.0 mm)/CFRP (2.5 mm) 2.331
    下载: 导出CSV

    表  10  工况1~工况5中靶板的总内能

    Table  10.   Total internal energy of target plate in Case 1−Case 5

    Case Target plate (thickness) Etot/J $ \gamma $
    1 Q235 steel (3.0 mm) 5691.3 1
    2 CFRP (5.0 mm, face plate)/Q235 steel (2.0 mm) 5287.4 0.929
    3 CFRP (5.0 mm, back plate)/Q235 steel (2.0 mm) 5985.5 1.052
    4 Q235 steel (1.0 mm)/CFRP (5.0 mm)/Q235 steel (1.0 mm) 6022.4 1.058
    5 CFRP (2.5 mm)/Q235 steel (2.0 mm)/CFRP (2.5 mm) 4917.9 0.864
    下载: 导出CSV

    表  11  工况6~工况10中的靶板设置

    Table  11.   Target plates setup in Case 6−Case 10

    Case Target plate (thickness) $ {\rho }_{\rm t} $/(g·cm−2)
    6 Q235 steel (1.3 mm)/CFRP (2.0 mm)/Q235 steel (1.3 mm) 2.342
    7 Q235 steel (1.1 mm)/CFRP (4.0 mm)/Q235 steel (1.1 mm) 2.335
    8 Q235 steel (0.9 mm)/CFRP (6.0 mm)/Q235 steel (0.9 mm) 2.327
    9 Q235 steel (0.7 mm)/CFRP (8.0 mm)/Q235 steel (0.7 mm) 2.320
    10 Q235 steel (0.5 mm)/CFRP (10.0 mm)/Q235 steel (0.5 mm) 2.313
    下载: 导出CSV

    表  12  工况6~工况10中靶板的总内能

    Table  12.   Total internal energy of target plate in Case 6−Case 10

    Case Target plate (thickness) Etot/J $ \gamma $
    6 Q235 steel (1.3 mm)/CFRP (2.0 mm)/Q235 steel (1.3 mm) 6285.6 1.104
    7 Q235 steel (1.1 mm)/CFRP (4.0 mm)/Q235 steel (1.1 mm) 6336.2 1.113
    8 Q235 steel (0.9 mm)/CFRP (6.0 mm)/Q235 steel (0.9 mm) 5599.5 0.984
    9 Q235 steel (0.7 mm)/CFRP (8.0 mm)/Q235 steel (0.7 mm) 4841.1 0.851
    10 Q235 steel (0.5 mm)/CFRP (10.0 mm)/Q235 steel (0.5 mm) 3697.1 0.650
    下载: 导出CSV
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  • 收稿日期:  2024-04-23
  • 修回日期:  2024-06-02
  • 网络出版日期:  2024-09-02

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