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With the increasing number of trans oceanic flight missions, different types of aircraft have the possibility of emergency water landings, and the complex hydrodynamic loads during the water landing process will greatly threaten the structural safety of the aircraft and the passenger’s lives. Therefore, this paper selects three typical fuselage as the object of study. The CFD method was used to conduct research on it, and the finite volume method and overall dynamic mesh technology were employed. The conclusion of this paper analyze the differences in motion and force of each fuselage, the impact of velocity changes on the motion trends during calm water ditching was analyzed by changing the initial forward speed.

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Numerical Investigation on the Motion Characteristics of Three Typical Fuselage During Water Ditching

  • 会议论文

  • 发表日期：

    2026年

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  • Jiayi Li,
  • Fei Duan,
  • Xinying Li,
  • Jichang Chen,
  • Mingbo Tong

摘要

With the increasing number of trans oceanic flight missions, different types of aircraft have the possibility of emergency water landings, and the complex hydrodynamic loads during the water landing process will greatly threaten the structural safety of the aircraft and the passenger’s lives. Therefore, this paper selects three typical fuselage as the object of study. The CFD method was used to conduct research on it, and the finite volume method and overall dynamic mesh technology were employed. The conclusion of this paper analyze the differences in motion and force of each fuselage, the impact of velocity changes on the motion trends during calm water ditching was analyzed by changing the initial forward speed.