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Case study for containerships’ seakeeping performance analysis

Scurtu Ionut Cristian, Popa Catalin, Popa Florentin Daniel

Zeszyty Naukowe Politechniki Morskiej w Szczecinie

2025

nr 81 (153)

47--56

Seakeeping capabilities represent a crucial aspect of marine hydrodynamics research. Calculating the movements, amplitudes, and accelerations of the ships offers valuable support for assessing and forecasting their safety and security parameters while the ships are in use. While experimental data on ship movements in consistent wave patterns are considered reliable, they also come with high impacting costs. This research is particularly designed to estimate the seakeeping performance by assessing the hydrodynamic response of a 192-meter-long container ship vessel in both regular and irregular waves. The present computational study is focused on predicting the six degrees of freedom responses for a ship at zero speed for different heading angles. Using the panel method within Maxsurf Motions software, RAOs for all degrees of freedom are obtained. In irregular sea simulations, the ITTC spectrum is employed.