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Simplified approach to assess the dynamic response of a container ship subjected to bow slamming load
Abstract
Simplified approach to assess the dynamic response of a container ship subjected to the bow slamming load, resulting in a transient vibratory response, typically called a 'whip-ping', is presented. The accurate numerical modelling is very complex and involves cou-pling of the hydrodynamic and structural solution at every time step, leading to huge com-putational and workload cost. Thus, the one-way coupling methodology is adopted, and hydrodynamic loads are derived using linear strip theory in the first step and applied to the FE beam model. Structural response is obtained in the time domain using an explicit dy-namic solver. Extreme bending moment is derived and compared with the normative val-ues of the wave-induced bending moment. Comparing to more accurate methods, the pre-sented approach seems to overestimate the bending moment and leads to a conservative design. Thus, it may be used in the early stages of the design, where fast and reliable methods are essential.
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- Category:
- Monographic publication
- Type:
- rozdział, artykuł w książce - dziele zbiorowym /podręczniku w języku o zasięgu międzynarodowym
- Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Wołoszyk K., Bogdaniuk M.: Simplified approach to assess the dynamic response of a container ship subjected to bow slamming load// Modern Trends in Research on Steel, Aluminium and Composite Structures/ : , 2021, s.148-154
- DOI:
- Digital Object Identifier (open in new tab) 10.1201/9781003132134-16
- Verified by:
- Gdańsk University of Technology
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