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Equivalent coefficient of stiffener stress of stiffened plate under moving slamming load
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Zhang-huan WU1, Lu-yao ZOU2, Kai-long XIAO2, Qi TANG1, Meng-yao HE1, Jian-guo WU1
Journal of Ship Mechanics | 2026, 30(1) : 135 - 146
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Journal of Ship Mechanics | 2026, 30(1): 135-146
• Structural Mechanics •
Equivalent coefficient of stiffener stress of stiffened plate under moving slamming load
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Zhang-huan WU1, Lu-yao ZOU2, Kai-long XIAO2, Qi TANG1, Meng-yao HE1, Jian-guo WU1
Affiliations
  • 1.School of Civil Engineering, Zhejiang University of Technology, Hangzhou 310023, China
  • 2.China Shipbuilding and Marine Engineering Design and Research Institute, Shanghai 200011, China
Published: 2026-01-15 doi: 10.3969/j.issn.1007-7294.2026.01.013
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In order to explore the regularity of dynamic response of stiffened plates under slamming load and establish static equivalent design method of stiffened plates, which covers the moving characteristics of slamming pressure and the dynamic response characteristics of stiffened plates, the slamming load acting on the flared bow is simplified in this paper into a moving pulse time history which rises linearly and decays exponentially. By using Abaqus finite element software, the elastic dynamic response of multiple stiffened plates under moving slamming load is calculated and the influence of different load parameters on the dynamic response of stiffened plates was analyzed. The Dynamic Load Factor DLF(Dynamic stress equivalent factor) was introduced to analyze the variation rule and sensitivity of DLF and the dimensionless parameters of slamming load. The regression and verification of DLF formula were carried out. A parameter determination method of the simplified slamming pressure model is proposed. The comparison with the results of wedge drop test shows that the proposed slamming stress equivalentizing formula DLF has higher precision and can effectively improve the efficiency of the preliminary design of ship structure under slamming load.

slamming load  /  stiffened plates  /  dynamic response  /  static equivalence  /  falling in water test of wedge
Zhang-huan WU, Lu-yao ZOU, Kai-long XIAO, Qi TANG, Meng-yao HE, Jian-guo WU. Equivalent coefficient of stiffener stress of stiffened plate under moving slamming load[J]. Journal of Ship Mechanics, 2026 , 30 (1) : 135 -146 . DOI: 10.3969/j.issn.1007-7294.2026.01.013
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Year 2026 volume 30 Issue 1
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Article Info
doi: 10.3969/j.issn.1007-7294.2026.01.013
  • Receive Date：2025-07-09
  • Online Date：2026-07-07
  • Published：2026-01-15
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  • Received：2025-07-09
Affiliations
    1.School of Civil Engineering, Zhejiang University of Technology, Hangzhou 310023, China
    2.China Shipbuilding and Marine Engineering Design and Research Institute, 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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