Longitudinal bending characteristics and design requirements of composite material superstructures

Table 1. Boundary conditions of the reference point at model end-face
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Table 1. Boundary conditions of the reference point at model end-face
参考点位置线位移角位移
${\delta _x}$ ${\delta _y}$ ${\delta _{\textit{z}}}$ ${\theta _x}$ ${\theta _y}$ ${\theta _{\textit{z}}}$
舱段后端面约束约束
舱段前端面约束约束约束约束

Table 2. Fitting results of undetermined parameters
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Table 2. Fitting results of undetermined parameters
待定参数拟合结果
A $2.240\; 8 \times {10^7}$
B $5.197\;4 \times {10^6}$
C $0.311\;63$
D $3.421$

Table 3. Calculation results of bending moment effectiveness of simplified models

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Table 3. Calculation results of bending moment effectiveness of simplified models

弹性模量比E^*	弯矩有效度$\gamma $/%
弹性模量比E^*	L^*= 0.1	L^*= 0.15	L^*= 0.2	L^*= 0.3	L^*= 0.4	L^*= 0.5
0.1	1.7	2.8	4.1	6.9	9.5	11.5
0.3	4.6	7.3	10.6	17.4	23.4	27.9
0.5	7.0	10.8	15.4	24.9	33.0	39.0
0.7	9.3	13.2	19.2	30.6	40.2	47.1
1.0	11.4	16.8	23.4	36.9	48.0	55.7

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Yi XIA, Huadong LI, Zhiyuan MEI. Longitudinal bending characteristics and design requirements of composite material superstructures[J]. Chinese Journal of Ship Research, 2023, 18(2): 74

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