A new technique to consider hydrostatic and hydrodynamic forces in case of ship collision
- Authors
- Choung, J.; Kvan, I.; Lee, K.
- Issue Date
- 2019
- Publisher
- CRC Press/Balkema
- Citation
- Trends in the Analysis and Design of Marine Structures - Proceedings of the 7th International Conference on Marine Structures, MARSTRUCT 2019, pp 225 - 230
- Pages
- 6
- Journal Title
- Trends in the Analysis and Design of Marine Structures - Proceedings of the 7th International Conference on Marine Structures, MARSTRUCT 2019
- Start Page
- 225
- End Page
- 230
- URI
- https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/8408
- DOI
- 10.1201/9780429298875-26
- ISSN
- 0000-0000
- Abstract
- Surrounding fluid of a struck ship contributes to make upright position after ship collision, also which can affect the amount of flooding. The unique way to consider the fluid is known as fluid-structure interaction technique, but requires quite high costs. This paper provides a very efficient way to consider fluid effect surrounding striking and struck ships in case of collision. The new technique can consider hydrostatic and hydrodynamic loads without modeling the fluid. The hydrostatic and hydrodynamic forces were realized without fluid modeling by applying a newly developed user-subroutine of a commercial FE code. The developed technique was verified through various simple load case simulations for a box model. A collision analysis of the model composed of a ship-shaped box girder and wedge type indenter was carried considering the buoyancy and drag forces using the developed user-subroutine. There were very critical differences between before and after consideration of the fluid. ? 2019 Taylor & Francis Group, London.
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