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A multiparameter simulation-driven analysis of ship response when turning concerning a required number of irregular wave realizations
Abstract
The growing implementation of Decision Support Systems on modern ships, digital-twin technology, and the introduction of autonomous vessels cause the marine industry to seek accurate modeling of vessel response. Despite the contemporary 6DOF models can be used to predict ship motions in irregular waves, the impact of their stochastic realization is usually neglected and remains under-investigated. Especially in the case of turning, differences arising from the stochastic representation of the waves may result in excessive ship motions or even stability failure during maneuver execution. Therefore, in this study, statistical distributions of maximum amplitudes of roll, pitch, and lateral acceleration calculated in two representative locations on board a passenger vessel were analyzed concerning stochastic wave realization and existing extremes. The research utilized 6DOF simulation data and numerous realizations of the irregular wave with random phases of its components. Furthermore, the required number of wave realizations allowing for capturing the actual ranges of ship response at an assumed confidence level has been determined and analyzed. Ultimately, the results were compared in the safety-critical cases concerning various wave and operational conditions. The outcome of this study may be found useful by all parties involved in developing maritime autonomous systems and modeling ship motions.
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Authors (4)
-
Mateusz Gil
-
Paweł Kozioł
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
OCEAN ENGINEERING
no. 302,
ISSN: 0029-8018 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Krata P., Gil M., Hinz T., Kozioł P.: A multiparameter simulation-driven analysis of ship response when turning concerning a required number of irregular wave realizations// OCEAN ENGINEERING -Vol. 302, (2024), s.117701-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.oceaneng.2024.117701
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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A multiparameter simulation-driven analysis of ship turning trajectory concerning a required number of irregular wave realizations
- M. Gil,
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- P. Kozioł
- + 1 authors