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Research on dynamic ultimate strength of hull girder under slamming load
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Tai-hui WU1, Shi-jian CAI2, 3, Ya-chong LIU2, 3, Fu-hua WANG2, Jian-guo WU1
Journal of Ship Mechanics | 2025, 29(7) : 1113 - 1121
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Journal of Ship Mechanics | 2025, 29(7): 1113-1121
• Structural Mechanics •
Research on dynamic ultimate strength of hull girder under slamming load
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Tai-hui WU1, Shi-jian CAI2, 3, Ya-chong LIU2, 3, Fu-hua WANG2, Jian-guo WU1
Affiliations
  • 1.Zhejiang University of Technology, Hangzhou 310023, China
  • 2.Marine Design & Research Institute of China, Shanghai 200011, China
  • 3.Shanghai Key Laboratory of Ship Engineering, Shanghai 200011, China
Published: 2025-07-20 doi: 10.3969/j.issn.1007-7294.2025.07.010
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For ships with large outboard flare structures, severe slamming is likely to occur in rough sea conditions, resulting in short-duration slamming moment in the ship’s midship region with an amplitude comparable to the wave moment. Therefore, it is necessary to conduct research on the dynamic ultimate strength of hull girder under slamming loads. This article focuses on a 5618 TEU container ship and proposes two models for calculating the dynamic ultimate strength of hull girder under slamming loads. Different forms of slamming loads are applied to study the resulting dynamic responses under dynamic loading. The B-H criterion is applied to determine the dynamic ultimate strength of hull girder. Based on the one-span model, the influences of load duration, material strain rate effect, preloading, and combination of high and low frequency bending moments on the dynamic ultimate strength of the hull girder were discussed, laying a solid foundation for the formulation of dynamic ultimate strength design criteria that has considered slamming bending moments.

large outboard flare  /  slamming bending moments  /  hull girder  /  B-H criterion  /  dynamic ultimate strength
Tai-hui WU, Shi-jian CAI, Ya-chong LIU, Fu-hua WANG, Jian-guo WU. Research on dynamic ultimate strength of hull girder under slamming load[J]. Journal of Ship Mechanics, 2025 , 29 (7) : 1113 -1121 . DOI: 10.3969/j.issn.1007-7294.2025.07.010
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Article Info
doi: 10.3969/j.issn.1007-7294.2025.07.010
  • Receive Date：2025-01-18
  • Online Date：2026-03-24
  • Published：2025-07-20
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  • Received：2025-01-18
Affiliations
    1.Zhejiang University of Technology, Hangzhou 310023, China
    2.Marine Design & Research Institute of China, Shanghai 200011, China
    3.Shanghai Key Laboratory of Ship Engineering, Shanghai 200011, China
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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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