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Application of springback ratio matrix and springback ratio feature value in springback description and compensation of double-curved plate forming
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Feng-yan SHI1a, 1b, Han ZHAO2, Yong HU1a, 1b, Chao-yan HUANG1a, 1b
Journal of Ship Mechanics | 2024, 28(5) : 735 - 747
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Journal of Ship Mechanics | 2024, 28(5): 735-747
• Structural Mechanics •
Application of springback ratio matrix and springback ratio feature value in springback description and compensation of double-curved plate forming
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Feng-yan SHI1a, 1b, Han ZHAO2, Yong HU1a, 1b, Chao-yan HUANG1a, 1b
Affiliations
  • 1a.Key Laboratory of High Performance of Ship Technology of Ministry of Education, Wuhan University of Technology, Wuhan 430063, China
  • 1b.School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China
  • 2.School of Civil Engineering, Central South University, Changsha 410075, China
Published: 2024-05-20 doi: 10.3969/j.issn.1007-7294.2024.05.010
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Springback compensation is the main difficulty in the forming of double-curved hull plates by reconfigurable mold. In this paper, springback ratio matrix and springback ratio feature value were proposed by referring to the expression of springback ratio of single-curved plate. Springback ratio matrix describes the springback value of local point of plate while springback ratio feature value describes the whole plate. The conclusion of springback of single-curved plate using springback ratio matrix and springback ratio feature value was consistent with that of the literatures. The forming experiments were conducted and the springback results were described by springback ratio matrix and springback ratio feature value. The results show that springback of saddle-type plates is less than that of sail-type plates when the radii of curvature in both directions are equal, and the springback ratio results based on elastic-plastic theory agree with those of the experiments. A new springback compensation algorithm based on springback ratio matrix was proposed. It is concluded that the springback compensation algorithm based on springback ratio matrix has a better compensation effect.

double-curved plate  /  springback compensation  /  springback ratio matrix  /  springback ratio feature value
Feng-yan SHI, Han ZHAO, Yong HU, Chao-yan HUANG. Application of springback ratio matrix and springback ratio feature value in springback description and compensation of double-curved plate forming[J]. Journal of Ship Mechanics, 2024 , 28 (5) : 735 -747 . DOI: 10.3969/j.issn.1007-7294.2024.05.010
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Year 2024 volume 28 Issue 5
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Article Info
doi: 10.3969/j.issn.1007-7294.2024.05.010
  • Receive Date：2023-11-19
  • Online Date：2026-03-21
  • Published：2024-05-20
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  • Received：2023-11-19
Funding
Affiliations
    1a.Key Laboratory of High Performance of Ship Technology of Ministry of Education, Wuhan University of Technology, Wuhan 430063, China
    1b.School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China
    2.School of Civil Engineering, Central South University, Changsha 410075, 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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