Difference in ship motion and wave load in long and short crested irregular waves

Table 1. Comparison of wave parameters of full scale ship measured by different experiments
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Table 1. Comparison of wave parameters of full scale ship measured by different experiments
类别极限工况I 设计工况II
H_1/3/m T_z /s H_1/3/m T_z /s
水池波浪（小尺度模型） 15.20 12.65 9.35 11.60
实际海浪（大尺度模型） 14.60 12.73 9.80 11.76

Table 2. Comparison of statistical significant amplitude values of ship motions and loads response

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Table 2. Comparison of statistical significant amplitude values of ship motions and loads response

响应	极限工况I			设计工况II
响应	水池试验	海上试验	比值	水池试验	海上试验	比值
横摇/(°)	−	10.68	−	−	5.84	−
纵摇/(°)	4.24	3.84	0.906	3.19	2.78	0.871
艏加速度/(m·s⁻²)	2.74	2.92	1.066	3.87	3.82	0.987
舯部弯矩/(MN·m)	2 425	1 950	0.804	1 726	1233	0.714

Table 3. Comparison of statistal values of ship motions and load response by different experiments

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Table 3. Comparison of statistal values of ship motions and load response by different experiments

浪向	纵摇				舯部弯矩
浪向	方差/(°)²	标准差 /(°)	偏度	峰度	方差 /(MN·m)²	标准差 /(MN·m)	偏度	峰度
艏斜浪 (大模型)	0.229	0.478	−0.027	0.030	183 711	428.615	−0.039	0.608
迎浪 (大模型)	0.244	0.494	−0.041	0.940	254 588	504.567	−0.169	1.217
迎浪 (小模型)	0.486	0.697	−0.082	−0.141	449 403	670.375	−0.093	0.515

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Jialong JIAO, Hao ZHANG, Yuanming CHEN, Shuzheng SUN. Difference in ship motion and wave load in long and short crested irregular waves[J]. Chinese Journal of Ship Research, 2023, 18(1): 107

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Paper Information

Category: Ship Design and Performance

Received: Dec. 2, 2021

Accepted: --

Published Online: Mar. 18, 2025

The Author Email:

DOI:10.19693/j.issn.1673-3185.02679

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Comparison of wave parameters of full scale ship measured by different experiments

Table 1. Comparison of wave parameters of full scale ship measured by different experiments

Table 2. Comparison of statistical significant amplitude values of ship motions and loads response

Table 2. Comparison of statistical significant amplitude values of ship motions and loads response

Table 3. Comparison of statistal values of ship motions and load response by different experiments

Table 3. Comparison of statistal values of ship motions and load response by different experiments