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Numerical simulation study on turning maneuverability of a ship in arctic region with pack ice
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Hong-sheng YAN1, Zi-hao CHEN1, Xi-jun WANG2
Journal of Ship Mechanics | 2025, 29(7) : 1034 - 1047
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Journal of Ship Mechanics | 2025, 29(7): 1034-1047
• Hydrodynamics •
Numerical simulation study on turning maneuverability of a ship in arctic region with pack ice
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Hong-sheng YAN1, Zi-hao CHEN1, Xi-jun WANG2
Affiliations
  • 1.School of Civil Engineering, Tianjin University, Tianjin 300072, China
  • 2.PetroChina Company Limited Southwest Branch, Nanning 530200, China
Published: 2025-07-20 doi: 10.3969/j.issn.1007-7294.2025.07.003
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To investigate the turning maneuverability of polar ships in floating ice area, in this study a combined CFD-DEM approach was adopted to numerically simulate the turning motion process of a medium-sized polar ship in floating ice area. In the simulation the ship’s turning motion at different rudder angles and ice concentrations have been considered, and the parameters of the ship’s turning motion have been predicted. The results show that the existence of floating ice will significantly hinder the ship’s turning motion, and the range of the tactical diameter in floating ice area is 1 to 1.5 times than that in open water conditions. The forces and moments acting on the hull exhibit strong randomness, and the instantaneous fluctuations of the ship’s speed and yaw rate are more pronounced. At the same rudder angle, the ice longitudinal force increases with the increase of ice concentration, while the variation of the fluid longitudinal force is not significant. The average total lateral force and total yawing moment are in the same direction as the turning maneuver, while the average ice yawing moment tends to be in the opposite direction.

polar ship  /  discrete element method  /  computational fluid dynamics  /  pack ice zone  /  maneuverability
Hong-sheng YAN, Zi-hao CHEN, Xi-jun WANG. Numerical simulation study on turning maneuverability of a ship in arctic region with pack ice[J]. Journal of Ship Mechanics, 2025 , 29 (7) : 1034 -1047 . DOI: 10.3969/j.issn.1007-7294.2025.07.003
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Article Info
doi: 10.3969/j.issn.1007-7294.2025.07.003
  • Receive Date：2025-01-22
  • Online Date：2026-03-24
  • Published：2025-07-20
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  • Received：2025-01-22
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Affiliations
    1.School of Civil Engineering, Tianjin University, Tianjin 300072, China
    2.PetroChina Company Limited Southwest Branch, Nanning 530200, 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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