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A numerical model to simulate the motion of a lifesaving module during its launching from the ship’s stern ramp

Abstract

The article presents a numerical model of object motion in six degrees of freedom (DoF) which is intended to be used to simulate 3D motion of a lifesaving module during its launching from a ship using a stern ramp in rough sea. The model, of relatively high complexity, takes into account both the motion of the ship on water in changing sea conditions, and the relative motion of the ramp with respect to the ship. The motion of the ramp changes and strongly depends on its constructional and geometrical parameters. The presented model takes into account the displacement of the submerged part of the ramp, as well as its damping in the water and the interaction with the module moving on it. The results of test simulation of a module launching from the ship in still water are included.

Keywords:

lifeboat, rescue boat launch, innovation, launch ramp aft, computational model for simulation

Details

Issue
Vol. 21 No. 2(82) (2014)
Section
Latest Articles
Published
16-07-2014
DOI:
https://doi.org/10.2478/pomr-2014-0016
Licencja:
Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Open Access License

This journal provides immediate open access to its content under the Creative Commons BY 4.0 license. Authors who publish with this journal retain all copyrights and agree to the terms of the CC BY 4.0 license.

 

Author Biographies

Paweł Dymarski,
Gdańsk University of Technology, Faculty of Ocean Engineering and Ship Technology



Czesław Dymarski,
Gdańsk University of Technology, Faculty of Ocean Engineering and Ship Technology



Authors

  • Paweł Dymarski

    Gdańsk University of Technology, Faculty of Ocean Engineering and Ship Technology
  • Czesław Dymarski

    Gdańsk University of Technology, Faculty of Ocean Engineering and Ship Technology

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