Unsteady RANS CFD simulation on the parametric roll of small fishing boat under different loading conditions

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Iqbal, Muhammad and Terziev, Momchil and Tezdogan, Tahsin and Incecik, Atilla (2024) Unsteady RANS CFD simulation on the parametric roll of small fishing boat under different loading conditions. Journal of Marine Science and Technology, 23 (2). pp. 327-351. ISSN 0948-4280 (https://doi.org/10.1007/s11804-024-00427-0)

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Abstract

Fishing boats have unique features that make them prone to changing loading conditions. When the boat leaves the port, the empty fish tank gradually fills up during fishing operations which may result in parametric roll (PR). This dangerous phenomenon that can lead to capsizing. The present study aims to understand better the behaviour of parametric roll in fishing boats and its relation to changing loading conditions. The study considers the effects of displacement and the GM/KM ratio on parametric roll, as well as the longitudinal flare distribution at the waterline. Two assessments to detect the parametric roll occurrence in early stage were carried out by using the level 1 assessment of parametric roll based on the Second Generation of Intact Stability criteria (SGIS) from International maritime Organisation (IMO) and the Susceptibility criteria of Parametric roll from the American Bureau of Shipping (ABS). Then, the CFD method is used to predict the amplitude of the parametric roll phenomenon. The results provide important insights to fishing vessel operators on how to manage loading conditions to maintain stability and avoid hazardous situations. By following the guidelines outlined in this study, fishing boats can operate more safely and efficiently, reducing the risk of accidents and improving the overall sustainability of the fishing industry.

ORCID iDs

Iqbal, Muhammad ORCID logoORCID: https://orcid.org/0000-0003-3762-3757, Terziev, Momchil ORCID logoORCID: https://orcid.org/0000-0002-1664-6186, Tezdogan, Tahsin and Incecik, Atilla;
CORE (COnnecting REpositories)