Roll motions analysis to improve ship responses in adverse weather conditions

Cristian Andrei; Nicoleta Acomi; Cristian Ancuţa

doi:10.1117/12.2322704

31 December 2018 Roll motions analysis to improve ship responses in adverse weather conditions

Cristian Andrei, Nicoleta Acomi, Cristian Ancuţa

Proceedings Volume 10977, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IX; 109771Q (2018) https://doi.org/10.1117/12.2322704
Event: Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies IX, 2018, Constanta, Romania

Abstract

Study and analysis of container ship roll motions in adverse weather conditions remains an important issue for research in maritime industry as this aspect continue to expose the ships to dangerous situations that leads to loss of ships and cargoes. Once high and dangerous roll motions are developed, especially by the ships with large flares fore and aft, as container ships, it generates accelerations in the lashing equipment that exceeds the threshold values, leading to collapse of container stows as well as loos of containers overboard. In this paper is presented the results of the analysis of a container ship roll motions in adverse weather conditions in a particular area of navigation from North Atlantic Ocean. The analysis is based on a real case scenario of a container ship casualty occurred in a very common navigation route, generated by high roll motions and resulted in the collapse of container stows and a massive loss of containers overboard. The aim of this paper is to identify the causes and analyse the factors that generated the dangerous situation and the casualty. The simulations carried out and presented in this paper were performed by using the OCTOPUS Office 6 (AMARCON) software that can reveal the response on the ship in modelled energy spectrum environmental conditions. The results will lead to a better understanding of the root causes that generated the exposure of the ship to such dangerous situation and can be used as recommendations in order to avoid similar situations in the future.

Citation Download Citation

Cristian Andrei, Nicoleta Acomi, and Cristian Ancuţa "Roll motions analysis to improve ship responses in adverse weather conditions", Proc. SPIE 10977, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IX, 109771Q (31 December 2018); https://doi.org/10.1117/12.2322704

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KEYWORDS

Wave propagation

Head

Motion analysis

Analytical research

Stochastic processes

Factor analysis

Motion models

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