期刊
APPLIED OCEAN RESEARCH
卷 123, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.apor.2022.103153
关键词
Damage stability; Validation; Transient flooding; Capsize; Model tests; Water on deck
资金
- European Union [814753]
The survivability of damaged ships, particularly ro-ro/passenger vessels, is crucial. Time-domain simulation is increasingly used to provide a realistic overview of the actual survivability in case of flooding accidents. A benchmark study on the simulation of flooding and motions of damaged ropax vessels was conducted within the FLARE project, using new model tests as a reference. The results indicate the need for more research to improve the time-domain flooding simulation methods for capturing transient flooding phenomena and motions of damaged ships in high waves.
Survivability of damaged ships, especially ro-ro/passenger (ropax) vessels, is of paramount interest. Nowadays, time-domain simulation of flooding and motions of damaged ships are more frequently performed to obtain a more realistic overview of the actual survivability in case of a flooding accident. An international benchmark study on simulation of flooding and motions of damaged ropax vessels was conducted within the EU Horizon 2020 project FLARE, using new dedicated model tests as a reference. The test cases include transient flooding in both calm water and in irregular beam seas, as well as gradual flooding and capsizing in beam seas. The studied damage case is a two-compartment collision damage, and the studied intact metacentric height values were lower than the statutory requirements to achieve also capsize cases. Numerical results were carefully compared against measurement data from the model tests. In transient flooding cases the capsize conditions were generally detected well by most codes. However, much variation was observed in the internal flooding and capsize mechanisms. For gradual flooding in beam seas, the results for capsize rate and time-to-capsize were characterized by significant variability among the codes. Results indicate that more research is needed to further improve the time-domain flooding simulation methods to correctly capture both transient flooding phenomena and motions of damaged ship in high waves.
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