Parameter space exploration for the probabilistic damage stability method for dry cargo ships

Parameter space exploration for the probabilistic damage stability method for dry cargo ships

Milatz, Bas (Student TU Delft; C-Job Naval Architects)
de Winter, Roy (Universiteit Leiden; C-Job Naval Architects)
van de Ridder, Jelle D.J. (C-Job Naval Architects)
van Engeland, Martijn (DELFTship Maritime Software)
Mauro, F. (TU Delft Ship Design, Production and Operations)
Kana, A.A. (TU Delft Ship Design, Production and Operations)

2023

The prediction of the statutory attained subdivision index is a challenging issue for the initial design of ships due to the design freedom offered by a probabilistic damage stability assessment. To this end, optimisation techniques integrated with a parametric model of the internal layout may generate a preliminary subdivision design, fulfilling damage stability regulations and cargo volume requirements. The present study explores using a multi-objective constrained optimisation algorithm coupled with a parametric model of a single hold cargo vessel, first investigating two design goal alternatives and secondly performing a global sensitivity analysis on the design variables for the most promising solution. The adoption, in parallel, of state-of-the-art practices shows the validity of the obtained solutions and the time benefits for designers. Nonetheless, the non-linear nature of probabilistic damage stability does not allow for clearly identifying the most impactful parameters on the attained survivability index.

Damage stability
Global sensitivity analysis
Multi-objective optimisation
Parametric model
Ship design

http://resolver.tudelft.nl/uuid:1d37e009-7593-4848-a4ca-c6e58a575704

https://doi.org/10.1016/j.ijnaoe.2023.100549

2092-6782

International Journal of Naval Architecture and Ocean Engineering, 15

Institutional Repository

journal article

© 2023 Bas Milatz, Roy de Winter, Jelle D.J. van de Ridder, Martijn van Engeland, F. Mauro, A.A. Kana