Ship anti-rolling devices are an essential component of modern vessels. The core component of the Magnus effect-based ship anti-rolling device is a rotating cylinder, hereinafter referred to as the Magnus cylinders. In this paper, fully parametric three-dimensional modeling of Magnus cylinders was performed, and the design space dimension was reduced using the Sobol design optimization method while still providing accurate and reliable results. The Sobol method generates quasi-random sequences that are more uniformly spaced in the search space and can more efficiently cover the entire solution space. The shape optimization study of the Magnus cylinder was carried out in conjunction with the computational fluid dynamics method to find the geometry of the Magnus cylinder with excellent hydrodynamic performance. Critical design parameters include the diameters of the cylinder ends and the length of the cylinder. The hydrodynamic and flow field characteristics of Magnus cylinders before and after the optimization were compared. The results show that there can be multiple local optimal values for lift and drag of Magnus cylinders within the design space to increase the lift and decrease the drag. The Magnus effect primarily influences the position of the vortex-shedding separation point at the surface of Magnus cylinders and deflects the wake to one side. For the optimized Magnus cylinder, the distribution of pressure and velocity in the flow field is significantly different. This research forms the basis for improving the practical application of Magnus anti-rolling devices.
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May 2023
Research Article|
May 15 2023
Shape optimization and hydrodynamic simulation of a Magnus anti-rolling device based on fully parametric modeling
Special Collection:
Recent Advances in Marine Hydrodynamics
Lin Jianfeng (林健峰)
;
Lin Jianfeng (林健峰)
(Data curation, Formal analysis, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing)
1
College of Shipbuilding Engineering, Harbin Engineering University
, No. 145 Nantong Street, Nangang District, Harbin 150001, China
2
Department of Mechanics and Maritime Sciences, Chalmers University of Technology
, 412 96 Gothenburg, Sweden
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Yao Hua-Dong (姚华栋)
;
Yao Hua-Dong (姚华栋)
(Conceptualization, Investigation, Methodology, Resources, Writing – original draft, Writing – review & editing)
2
Department of Mechanics and Maritime Sciences, Chalmers University of Technology
, 412 96 Gothenburg, Sweden
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Han Yang (韩阳)
;
Han Yang (韩阳)
a)
(Methodology, Project administration, Validation, Writing – review & editing)
1
College of Shipbuilding Engineering, Harbin Engineering University
, No. 145 Nantong Street, Nangang District, Harbin 150001, China
a)Author to whom correspondence should be addressed: [email protected]
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Su Yumin (苏玉民);
Su Yumin (苏玉民)
(Conceptualization, Methodology, Supervision, Validation)
1
College of Shipbuilding Engineering, Harbin Engineering University
, No. 145 Nantong Street, Nangang District, Harbin 150001, China
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Zhang Chengsen (张承森)
Zhang Chengsen (张承森)
(Software, Visualization)
1
College of Shipbuilding Engineering, Harbin Engineering University
, No. 145 Nantong Street, Nangang District, Harbin 150001, China
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a)Author to whom correspondence should be addressed: [email protected]
Note: This paper is part of the special topic, Recent Advances in Marine Hydrodynamics.
Physics of Fluids 35, 055136 (2023)
Article history
Received:
March 28 2023
Accepted:
May 02 2023
Citation
Jianfeng Lin, Hua-Dong Yao, Yang Han, Yumin Su, Chengsen Zhang; Shape optimization and hydrodynamic simulation of a Magnus anti-rolling device based on fully parametric modeling. Physics of Fluids 1 May 2023; 35 (5): 055136. https://doi.org/10.1063/5.0152179
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