Chinese Journal of Ship Research, Volume. 19, Issue 5, 141(2024)
Optimized CFRP layering design for circumferential internal corrugated compression shell
Figures & Tables(13)
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Table 1. Material Parameters
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材料参数 T700 Al 6061-t6 密度/(kg·m−3) 1 820 2 700 弹性模量/GPa Ex = 141 E = 71 Ey = 11.4 Ez = 11.4 泊松比 υxy = 0.28 υ = 0.33 υxz = 0.28 υyz = 0.4 剪切模量/GPa Gxy = 7.1 Gyz = 7.1 Gxz = 3.8 抗拉强度/MPa Xt = 2 080 205 Yt = 60 抗压强度/MPa Xc = 1 250 Yc = 290 剪切强度/MPa S = 110 屈服强度/MPa 170
Table 2. Multi-angle spiral winding type
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缠绕方案 缠绕线型 2种螺旋缠绕角度 (±40° 3/±45° 3/90° 2) (±40° 3/±50° 3/90° 2) (±40° 3/±55° 3/90° 2) (±40° 3/±60° 3/90° 2) (±40° 3/±70° 3/90° 2) 3种螺旋缠绕角度 (±40° 2/±45° 2/±70° 2/90° 2) (±40° 2/±50° 2/±70° 2/90° 2) (±40° 2/±55° 2/±70° 2/90° 2) (±40° 2/±60° 2/±70° 2/90° 2)
Table 3. The inter-layer stress mutation difference of the three types of paving mode
View tableView in ArticleTable 3. The inter-layer stress mutation difference of the three types of paving mode
铺层方式 首层应力差/MPa 中间层应力差/MPa 尾层应力差/MPa 应力差平均值/MPa 应力差均方差值/MPa (±40° 3/±60° 3/90° 2) 29.60 47.10 35.40 37.37 7.28 (±40° 2/±50° 2/±70° 2/90° 2) 35.00 23.00 35.70 15.90 27.40 8.34 (±40° 2/±55° 2/±70° 2/90° 2) 38.00 30.80 23.80 14.60 26.80 8.65
Table 4. Failure coefficients under different failure criteria
View tableView in ArticleTable 4. Failure coefficients under different failure criteria
失效准则 失效系数 Tsai -Wu 0.152 Tsai -Hill 0.217 Hashin 0.046
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Runze WU, Jianliang SUN, Xu ZHANG, Mingfang QI. Optimized CFRP layering design for circumferential internal corrugated compression shell[J]. Chinese Journal of Ship Research, 2024, 19(5): 141
Paper Information
Category: Ship Structure and Fittings
Received: Jul. 3, 2023
Accepted: --
Published Online: Mar. 14, 2025
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