Analysis of ship–ship collision damage accounting for bow and side deformation interaction |
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| Institution: | 1. Department of Naval Architecture and Ocean Engineering, Inha University, Incheon, Republic of Korea;2. Offshore Plant Research Division, Korea Research Institute of Ships and Ocean Engineering, Daejeon, Republic of Korea;1. Department of Marine Technology, Norwegian University of Science and Technology, Norway;2. Centre for Autonomous Marine Operations and Systems (AMOS), Norway;3. Sustainable Arctic Marine and Coastal Technology (SAMCoT), Norway;4. ThyssenKrupp Marine Systems GmbH, Norway;1. Department of Mechanics and Maritime Sciences, Chalmers University of Technology, Gothenburg, Sweden;2. Department of Marine Technology/Centre for Autonomous Marine Operations and Systems (AMOS), Norwegian University of Science and Technology, Trondheim, Norway;3. Centre for Marine Technology and Ocean Engineering (CENTEC), Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal;4. Department of Ship Building and Marine Engineering, University of Ulsan, Ulsan, Republic of Korea;5. Institute for Ship Structural Design and Analysis, Hamburg University of Technology, Hamburg, Germany;6. School of Engineering, Newcastle University, Newcastle upon Tyne, UK;7. Department of Mechanical Engineering, Aalto University, Espoo, Finland;8. School of Transportation, Wuhan University of Technology, Wuhan, China;9. Marine Structures Division, School of Naval Architecture and Marine Engineering, National Technical University of Athens, Athens, Greece;10. Faculty of Ocean Engineering and Ship Technology, Gdansk University of Technology, Gdansk, Poland;11. Department of Naval Engineering and Marine Technology, University of Zagreb, Zagreb, Croatia;12. Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John''s, Newfoundland, Canada;13. School of Engineering, Department of Civil Engineering and Architecture, Tallinn University of Technology, Tallinn, Estonia;14. Global Technology Centre, Lloyd''s Register EMEA, Southampton, United Kingdom;15. National Institute of Maritime, Port and Aviation Technology, Tokyo, Japan;1. Key Laboratory of High Performance Ship Technology (Wuhan University of Technology), Ministry of Education, Wuhan, 430063, PR China;2. School?of?Naval?Architecture,?Ocean?and?Energy?Power?Engineering, Wuhan University of Technology, Wuhan, 430063, PR China;3. Department of Mechanical and Structural Engineering and Material Science, University of Stavanger, Norway |
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| Abstract: | This paper presents a procedure to analyse ship collisions using a simplified analytical method by taking into account the interaction between the deformation on the striking and the struck ships. Numerical simulations using the finite element software LS-DYNA are conducted to produce virtual experimental data for several ship collision scenarios. The numerical results are used to validate the method. The contributions to the total resistance from all structural components of the collided ships are analysed in the numerical simulation and the simplified method. Three types of collisions were identified based on the relative resistance of one ship to the other. They are denoted Collision Types 1 and 2, in which a relatively rigid ship collides with a deformable ship, and Collision Type 3, in which two deformable ships are involved. For Collision Types 1 and 2, estimates of the energy absorbed by the damaged ships differ by less than 8% compared to the numerical results. For Collision Type 3, the results differ by approximately 13%. The simplified method is applicable for right angle ship collision scenario, and it can be used as an alternative tool because it quickly generates acceptable results. |
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