期刊
SHIPS AND OFFSHORE STRUCTURES
卷 17, 期 7, 页码 1498-1514出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17445302.2021.1932023
关键词
Passenger ships; crashworthiness; collisions; damage stability; super-element method
资金
- European Union project FLooding Accident REsponse (FLARE) [814753]
- H2020 Societal Challenges Programme [814753] Funding Source: H2020 Societal Challenges Programme
The paper discusses a method to account for collision-based crashworthiness on ship damage distributions, showing that damage reduction can be quantified through statistical analysis and simulation of collision scenarios. It is demonstrated that adding a double hull or reinforcing the deck can reduce damage, with the conclusion that installing a double hull on vulnerable ship zones leads to increased A-index.
SOLAS2020 damage stability regulations are based on probabilistic damage distributions. Those originate from the pooled analysis of collision accidents across a fleet with bias towards cargo ships. This paper introduces a method that accounts for collision-based crashworthiness on ship damage distributions. The method reshapes statistical SOLAS damage distributions for a given ship or structural details for a reference ship section and her reinforced version. Damage reductions may differ depending on ship characteristics and operational scenarios. To mitigate this, a high number of collision scenarios was simulated using the super-element method. It is shown that risk control in terms of damage reduction over the whole range of damages is possible by adding a double hull or by deck reinforcement. Damage reduction is quantified by damage stability analysis of a cruise vessel. It is concluded that installing a double hull on ship vulnerable zones leads to increased A-index.
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