碳纤维增强复合材料夹芯板的砰击损伤特性

王松; 李应刚; 黄鑫华; 李晓彬

doi:10.11858/gywlxb.20220653

碳纤维增强复合材料夹芯板的砰击损伤特性

doi: 10.11858/gywlxb.20220653

王松^{1, 2, 3,},
李应刚^{1, 2, 3,*, ,},
黄鑫华^{1, 2},
李晓彬^{1, 2}

1.
武汉理工大学高性能舰船技术教育部重点实验室, 湖北武汉　430063
2.
武汉理工大学船海与能源动力工程学院, 湖北武汉　430063
3.
武汉理工大学三亚科教创新园, 海南三亚　572025

基金项目: 国家自然科学基金（11972269）；武汉理工大学三亚科教创新园开放基金（2021KF0029）

详细信息

作者简介:
王　松（1997-），男，硕士，主要从事复合材料游艇结构性研究. E-mail：aiwosong@outlook.com

通讯作者:
李应刚（1988-），男，博士，副教授，主要从事船舶结构安全与冲击防护研究. E-mail：liyinggang@whut.edu.cn

中图分类号: O347; U674.7
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出版历程
- 收稿日期: 2022-09-14
- 修回日期: 2022-10-10
- 网络出版日期: 2023-02-21
- 刊出日期: 2023-02-05

Damage Characteristics of Carbon Fiber Reinforced Composite Sandwich Panels Subjected to Water Slamming Loading

WANG Song^{1, 2, 3
,},
LI Yinggang^{1, 2, 3,*
, ,},
HUANG Xinhua^{1, 2},
LI Xiaobin^{1, 2}

1.
Key Laboratory of High Performance Ship Technology (Wuhan University of Technology), Ministry of Education, Wuhan 430063, Hubei, China
2.
School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, Hubei, China
3.
Sanya Science and Education Innovation Park of Wuhan University of Technology, Sanya 572025, Hainan, China

摘要

摘要: 复合材料高速船舶在复杂多变的海况中航行时，由于船体结构自身的大幅升沉和纵荡运动，不可避免地会与波浪产生砰击作用，可能产生结构损伤甚至失效。采用欧拉-拉格朗日方法建立了复合材料层合板砰击数值模型，将模拟结果与文献中的试验结果进行对比，验证了流固耦合渐进损伤分析方法的可靠性。在此基础上，建立了碳纤维增强复合材料夹芯板入水砰击流固耦合数值模型，编写了VUMAT子程序，研究了复合材料夹芯板渐进损伤演化特性，分析了砰击水动力载荷、射流和水压分布特性，研究了砰击速度和斜升角对夹芯板损伤特性的影响规律。结果表明，碳纤维增强复合材料夹芯板入水砰击过程经历4个阶段，即初始增长阶段、波动阶段、急剧上升阶段和迅速下降阶段。砰击载荷作用下复合材料夹芯板产生基体损伤和分层损伤，随着砰击速度提升和斜升角增大，砰击水动力载荷逐渐增加，复合材料夹芯板面板损伤范围逐渐扩大。
- 砰击载荷 /
- 碳纤维复合材料 /
- 夹芯结构 /
- 损伤演化 /
- 流固耦合
Abstract: In this paper, a slamming model of composite laminate is established based on the Euler-Lagrangian fluid-structure interaction method. The reliability of the numerical simulation method is verified through the comparison between numerical and experimental results. On this basis, a fluid-structure interaction slamming model of carbon fiber reinforced composite sandwich panels is established, and the progressive damage evolution mode of composite sandwich panels is investigated by VUMAT subroutine. The hydrodynamic force, flow jet, and water pressure distribution as well as slamming damage characteristics of composite sandwich panels are analyzed. Finally, the effects of slamming speed and deadrise angle on the slamming damage characteristics are investigated. The results show that the hydrodynamic force has gone through four stages including the initial growth stage, fluctuating stage, sharp rise stage and rapid decreasing stage during the slamming process. The matrix tensile damage and delamination damage of composite sandwich plates are accumulated under slamming loading. With the increase of the slamming speed and deadrise angle, the hydrodynamic force and slamming damage significantly increase.
- slamming loading /
- carbon fiber reinforced composite material /
- sandwich structure /
- damage evolution /
- fluid-structure interaction

HTML全文

图 1 砰击模型和夹芯板示意图

Figure 1. Schematic diagram of the slamming model and sandwich panel

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图 2 渐进损伤分析法流程图

Figure 2. Flow chart of progressive damage analysis

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图 3 网格划分及边界条件示意图

Figure 3. Schematics of meshing and boundary conditions

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图 4 数值模型验证

Figure 4. Verification of the numerical model

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图 5 水动力载荷曲线和不同时刻下的射流

Figure 5. Hydrodynamic force and flow jet at different moments

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图 6 渐进损伤与不同时刻下的挠度

Figure 6. Progressive damage and deflection at different moments

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图 7 不同速度下的水动力及微应变曲线

Figure 7. Hydrodynamic force and microstrain curves under different velocities

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图 8 不同速度下的下面板基体的拉伸损伤以及分层损伤

Figure 8. Matrix tension damage of the bottom panel and delamination damage of bottom face sheet under different velocities

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图 9 不同斜升角下水动力及微应变曲线

Figure 9. Hydrodynamic force and microstrain curves under different deadrise angles

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图 10 不同斜升角下的下面板基体拉伸损伤和分层损伤

Figure 10. Matrix tension damage and delamination damage of bottom face sheet under different deadrise angle

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表 1 复合材料面板的材料参数^[12]

Table 1. Material properties of composite panel^[12]

E₁/GPa	E₂/GPa	E₃/GPa	ν₁₂	ν₁₃	ν₂₃	G₁₂/GPa	G₁₃/GPa	G₂₃/GPa	ρ/(kg·m^–³)
146.9	11.38	11.38	0.30	0.30	0.42	6.1	6.1	5.7	1380

X_t/MPa	X_c/MPa	Y_t/MPa	Y_c/MPa	Z_t/MPa	Z_c/MPa	S₁₂/MPa	S₁₃/MPa	S₂₃/MPa
1730	1379	29.5	268.2	15	171.8	133.8	133.8	100

下载: 导出CSV

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