Chinese Journal of Ship Research, Volume. 19, Issue 5, 122(2024)
High hydrostatic pressure test and ultimate load capacity of composite shell in water
Figures & Tables(23)
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Table 1. Experimental equipment and its use
View tableView in ArticleTable 1. Experimental equipment and its use
设备名称 用途 复合壳体模型 试验对象 高压试验容器 提供15 MPa静水压力 3D-DIC测试系统 全局应变变形测量 3D-DIC系统防护工装 营造水下3D-DIC系统测试环境
Table 2. Parameters of composite shell structure
View tableView in ArticleTable 2. Parameters of composite shell structure
结构参数 数值 端部球壳直径/mm 500 结构总长/mm 1 300 内壳厚/mm 2.7 蒙皮层厚/mm 1～1.5 环肋高/mm 20 环肋厚/mm 2 复合材料铺层厚/mm 4 肋距/mm 27
Table 3. Parameters of high pressure test vessel
View tableView in ArticleTable 3. Parameters of high pressure test vessel
参数 数值 舱体内部直径/mm 1 500 舱体内部长度/mm 3 000 设计压力/MPa 16 耐压试验压力/MPa 20 设计温度/℃ 50 容器自重/kg 18 809 舱内容积/mm3 6.94×109 工作介质 水
Table 4. Strain results for each rib position
View tableView in ArticleTable 4. Strain results for each rib position
肋位号 应变ε 肋位号 应变ε 5 2 027.4×10−6 9.5 2 144.5×10−6 5.5 2 444.0×10−6 10 1 619.3×10−6 6 1 825.9×10−6 10.5 2 116.3×10−6 6.5 2 430.1×10−6 11 1 592.5×10−6 7 1 932.7×10−6 11.5 2 100.4×10−6 7.5 2 275.2×10−6 12 1 493.0×10−6 8 1 853.6×10−6 12.5 2 004.6×10−6 8.5 2 273.1×10−6 13 1 506.0×10−6 9 1 830.7×10−6 13.5 1 869.6×10−6
Table 5. Parameters of titanium alloy material
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参数 数值 密度/(kg∙ m−3) 4 500 弹性模量E/GPa 115 泊松比μ 0.3 屈服强度/MPa 740 切线模量/MPa 1 080
Table 6. Parameters of carbon fiber reinforced composites material
View tableView in ArticleTable 6. Parameters of carbon fiber reinforced composites material
参数 数值 E1/GPa 134 E2/GPa 9.42 E3/GPa 9.42 G23/GPa 3.4 G12/GPa 6.5 G31/GPa 6.5 ν32 0.34 ν21 0.28 ν31 0.28
Table 7. Failure parameters of carbon fiber reinforced composite material
View tableView in ArticleTable 7. Failure parameters of carbon fiber reinforced composite material
参数 数值 参数 数值 Xt /MPa 1 860 Sxy /MPa 68.7 Xc /MPa 1 065 Syz /MPa 68.7 Yt /MPa 30 Sxz /MPa 68.7 Yc /MPa 150 cxy −1 Zt /MPa 30 cyz −1 Zc /MPa 150 cxz −1
Table 8. Maximum Mises stress of titanium alloy components
View tableView in ArticleTable 8. Maximum Mises stress of titanium alloy components
计算区域 屈服强度/MPa 最大Mises应力/MPa 内壳 740 573.8 蒙皮层 740 648.8 环肋 740 660.2 法兰 740 182.0
Table 9. Ultimate load capacity of composite shell with different initial defects
View tableView in ArticleTable 9. Ultimate load capacity of composite shell with different initial defects
初始缺陷 极限承载能力/MPa 一阶模态 三阶模态 0％R 24.5 24.5 0.1％R 24.1 23.3 0.2％R 23.5 22.6 0.25％R 23.3 22.3 0.3％R 23.1 22.0 0.5％R 22.3 21.1
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Feng LUO, Xiangshao KONG, Zeyu JIN, Peng WANG, Hu ZHOU, Zihan ZHU, Han GAO. High hydrostatic pressure test and ultimate load capacity of composite shell in water[J]. Chinese Journal of Ship Research, 2024, 19(5): 122
Paper Information
Category: Ship Structure and Fittings
Received: Jun. 30, 2023
Accepted: --
Published Online: Mar. 14, 2025
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