Verification and Validation of the Added Resistance of a Container Ship in Head Waves using Computational Fluid Dynamics Technique
DOI:
https://doi.org/10.38032/scse.2025.3.21Keywords:
Added resistance, sea margin, CFD, OpenFOAM, KRISOAbstract
Prediction of resistance in a seaway is always a challenging task for a naval architect. It is necessary to evaluate the performance of sea-going vessels in the earlier stage of design for both sea-keeping and economic perspectives of views. Traditionally required power is predicted based on calm water simulation with a predetermined allowance of (15-30%) of sea margin. This type of practice is totally reliant on experience and never represents the actual sea state. The present study evaluates the added resistance of a ship in a seaway at various wavelengths using RaNS based open-source Computational Fluid Dynamics solver OpenFOAM. The ship model was developed by the Korean Research Institute of Ship and Ocean Engineering and named as KRISO container ship of 3600 TEU. The experimental results of the hull are provided by NMRI (National Maritime Research Institute) in Tokyo CFD Workshop 2015. The current study begins with the validation of numerical results against experimental results. A systematic verification study based on grid size is further performed to evaluate the uncertainty present in numerical results. Finally, the added resistance coefficient is predicted for four different wavelengths at Froude number 0.26. It is seen from the computational results that the total resistance in the seaway increases with wave length and maximum resistance is found which is close to twice of calm water resistance in a situation where wave length is greater than ship length.
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Copyright (c) 2025 Md. Golam Kibria, Md. Mashiur Rahaman (Author)
This work is licensed under a Creative Commons Attribution 4.0 International License.
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