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Similarity Criterion and Scale Effect for Ship Distortion Model Under Combined Loads
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Yi-long ZHANG1, Peng-yu WEI1, Ze-yu DAI1, Lian WANG1, Qing-bo ZENG1, Qin TANG2
Journal of Ship Mechanics | 2024, 28(12) : 1880 - 1890
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Journal of Ship Mechanics | 2024, 28(12): 1880-1890
• Structural Mechanics •
Similarity Criterion and Scale Effect for Ship Distortion Model Under Combined Loads
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Yi-long ZHANG1, Peng-yu WEI1, Ze-yu DAI1, Lian WANG1, Qing-bo ZENG1, Qin TANG2
Affiliations
  • 1.China Ship Scientific Research Center, Wuxi 214082, China
  • 2.School of Foreign Studies, Jiangnan University, Wuxi 214122, China

    • ZHANG Yi-long(1989-), male, MSc., senior engineer, E-mail:

    WEI Peng-yu(1982-), male, Ph.D. candidate, professor.

Published: 2024-12-20 doi: 10.3969/j.issn.1007-7294.2024.12.006
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For the ultimate strength model test evaluation of large ship structures, the distortion model with non-uniform ratio between the main size and the plate thickness size is usually adopted. It is the key to carry out scale model test to establish a distortion model similar to the real ship structure under combined load. A similarity criterion for ship distortion model under the combined action of bending moment and surface pressure was proposed, and the scale effect for the criterion was verified by a series of numerical analysis and model tests. The results show that the similarity criterion for ship distortion model under combined loads has a certain scale effect. For the model tests of ship cabin structures, it is suggested that the scale range between the plate thickness scale and the main dimension scale should be controlled within 2:1, which can be used as a reference for distortion model design and ultimate strength test of large-scale ship structures.

distortion model  /  combined load  /  similarity criteria  /  scale effect  /  ultimate strength test
Yi-long ZHANG, Peng-yu WEI, Ze-yu DAI, Lian WANG, Qing-bo ZENG, Qin TANG. Similarity Criterion and Scale Effect for Ship Distortion Model Under Combined Loads[J]. Journal of Ship Mechanics, 2024 , 28 (12) : 1880 -1890 . DOI: 10.3969/j.issn.1007-7294.2024.12.006
Funding
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  • National Key Research and Development Program of China(2022YFB3404800)
Appendix
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Year 2024 volume 28 Issue 12
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Article Info
doi: 10.3969/j.issn.1007-7294.2024.12.006
  • Receive Date：2024-06-21
  • Online Date：2026-03-26
  • Published：2024-12-20
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  • Received：2024-06-21
Funding
National Key Research and Development Program of China(2022YFB3404800)
Affiliations
    1.China Ship Scientific Research Center, Wuxi 214082, China
    2.School of Foreign Studies, Jiangnan University, Wuxi 214122, China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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