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August 6, 2026Ships and Offshore Structures

Research and application expansion of high-order theoretical model algorithms for water entry slamming of ship profile sections

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Authors

LLLing LiuKZKe ZengJDJun Ding

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Overview

Randomized trial develops a high-order model to predict slamming loads in ship profiles, indicating reliable assessment methods for water entry dynamics.

Key Points

  • The aim is to develop a high-order analytical model to predict slamming loads when ship profiles enter water, enhancing accuracy and reliability.
  • Developed a two-dimensional analytical model validated against Aarsnes' drop tests at velocities of 0.58–2.43 m/s.
  • Conducted comprehensive analyses including mesh convergence and time-step sensitivity.
  • Evaluated six graded-curvature profiles to reveal triple curvature effects on slamming dynamics.
  • Validation shows vertical velocities closely match experimental data, with good consistency in slamming force predictions.
  • Reinforced that reduced curvature leads to improved acceleration buffering and increased slamming forces due to wetted-area expansion.
  • Confirmed model reliability with low root-mean-square error and strong correlation coefficients.

Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/6a74374b764cddc9499d48fbhttps://doi.org/10.1080/17445302.2026.2707183
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