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April 27, 2026PomorstvoOpen Access

CFD Analysis of a Stern Flap Effect on the Hydrodynamics of aCatamaran Ship

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Authors

AFAhmad FirdhausSSS SamuelMHMUHAMMAD LUQMAN HAKIM

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Overview

Randomized trial assesses stern flap performance on catamarans, indicating optimal angles improve efficiency.

Key Points

  • This research aims to investigate the impact of stern flaps on the hydrodynamic performance of catamarans.
  • Utilized computational fluid dynamics simulations to evaluate stern flap performance under varying speeds and angles of attack.
  • Analyzed effects of flap angles on overall resistance, wetted surface area, stern-squat, and heave.
  • 0° flap decreases overall resistance by 5.5% with a 1.76% increase in wetted surface area at higher speeds.
  • 20° flap increases resistance by 8.8% at high Froude numbers, exacerbating a 4.48% increase in wetted area.
  • Neutral flap angles enhance efficiency by avoiding pressure drag, expanded wetted surface, and reduced stability.

Cite This Study

Firdhaus et al. (2026) studied this question.

synapsesocial.com/papers/69eefcaefede9185760d38echttps://doi.org/10.31217/p.40.2.1
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