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Haichao Chang, Chengjun Wang, Zuyuan Liu, Baiwei Feng, Chengsheng Zhan and Xide Cheng
Hull form optimization becomes prone to the curse of dimensionality as the number of design variables increases. The traditional sensitivity analysis method requires massive computational fluid dynamics (CFD) computations and analyzing the effects of all...
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Chang Shi, Xide Cheng, Zuyuan Liu, Kunyu Han, Penghui Liu and Long Jiang
When a vehicle moves underwater, disturbance is generated and a wake remains that destroys the original free surface and produces a new wake. In order to study the mechanism and characteristics of the wave-making wake generated by the maneuvering motion ...
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Long Jiang, Jianxi Yao and Zuyuan Liu
Manoeuvrability is one of the important ship hydrodynamic performances. That is closely related to the safety and economy of navigation. The development of a high-accuracy and high-efficiency numerical method to compute the forces and moments on manoeuvr...
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Hui Zhou, Baiwei Feng, Zuyuan Liu, Haichao Chang and Xide Cheng
Recently, the NURBS technique has been widely used in the 3D design software for ships. However, in most research, the NURBS technique is only applied to the mathematical representation of hull curves and surfaces, and the parametric deformation of hull ...
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Haodong Shang, Chengsheng Zhan and Zuyuan Liu
The typical maneuvering of a ship can reflect its maneuvering characteristics, which are closely related to the safety and economy of its navigation. The accurate prediction of a ship?s maneuvering characteristics is essential for its preliminary design....
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Baiwei Feng, Chengsheng Zhan, Zuyuan Liu, Xide Cheng and Haichao Chang
Basis functions are key in constructing interpolation equations in hull surface modification based on radial basis functions (RBF) interpolation. However, few have studied the selection of basis functions in depth. By comparing several typical basis func...
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Xuyu Ouyang, Haichao Chang, Baiwei Feng, Zuyuan Liu, Chengsheng Zhan and Xide Cheng
Hull form optimisation involves challenges such as large design spaces, numerous design variables, and high nonlinearity. Therefore, optimisation that only use global approximate models alone cannot yield desirable results. An information matrix-based me...
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Kunyu Han, Xide Cheng, Zuyuan Liu, Chenran Huang, Haichao Chang, Jianxi Yao and Kangli Tan
Maneuverability, which is closely related to operational performance and safety, is one of the important hydrodynamic properties of an underwater vehicle (UV), and its accurate prediction is essential for preliminary design. The purpose of this study is ...
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Shenyu Xuan, Chengsheng Zhan, Zuyuan Liu, Qiaosheng Zhao and Wei Guo
In level ice, the maneuvering motion of icebreakers has a major influence on the global ice loads of the hull. This study researched the influences of the drift angle and turning radius on the ice loads of the icebreaker Xue Long through a partial numeri...
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Yi Hu, Lifei Song, Zuyuan Liu and Jianxi Yao
Nowadays, system-based simulation is one of the main methods for ship manoeuvring prediction. Great efforts are usually devoted to the determination of hydrodynamic derivatives as required for the mathematical models used for such methods. System identif...
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