Simulation and analysis of ship rudder blade force based on finite element method

Zhaoqiang Li; Haijun Yang; Lingling Wang; Wendong Ji

doi:10.1117/12.3026817

1 April 2024 Simulation and analysis of ship rudder blade force based on finite element method

Zhaoqiang Li, Haijun Yang, Lingling Wang, Wendong Ji

Proceedings Volume 13082, Fourth International Conference on Mechanical Engineering, Intelligent Manufacturing, and Automation Technology (MEMAT 2023); 130823X (2024) https://doi.org/10.1117/12.3026817
Event: 2023 4th International Conference on Mechanical Engineering, Intelligent Manufacturing and Automation Technology (MEMAT 2023), 2023, Guilin, China

Abstract

To analyze the force situation of ship rudder blades in water, a simulation model of a certain ship rudder blade was established using simulation software, and boundary conditions were set and calculated. The results show that the fluid velocity, pressure, and stress distribution around the rudder blade vary under different operating rudder angles. On the upstream side of the rudder blade, the fluid velocity is small and the pressure is high, while on the downstream side, the fluid velocity is small and the pressure is moderate. The lowest point of fluid pressure is about 7.6m forward along the arc length from the tail. When the steering angle is greater than 15°, the fluid pressure drops to negative pressure. Therefore, it is necessary to minimize the steering angle as much as possible. Further analysis reveals that the maximum stress in the rudder blade occurs at the junction of the rudder support seat and the rudder shaft, and as the rudder angle increases, the maximum stress shows a trend of first increasing and then decreasing.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Zhaoqiang Li, Haijun Yang, Lingling Wang, and Wendong Ji "Simulation and analysis of ship rudder blade force based on finite element method", Proc. SPIE 13082, Fourth International Conference on Mechanical Engineering, Intelligent Manufacturing, and Automation Technology (MEMAT 2023), 130823X (1 April 2024); https://doi.org/10.1117/12.3026817

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KEYWORDS

Water

Fluid dynamics

3D modeling

Boundary conditions

Deformation

Finite element methods

Roads

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