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Alfa-Laval Oct 2019

IJME 557

Paper Title: The Direct Evaluation Method of Dead Ship Stability For Intact Ship

 

Authors

L F Hu, Ludong University, Transportation School, China

Q Z Zhang, Ludong University, Transportation School, China

W Y Zhang, Dalian Ocean University, School of Navigation and Naval architecture, China

H B Qi, Ludong University, Transportation School, China

Summary  

The International Maritime Organization is currently establishing second generation intact stability criteria, the dead ship stability is considered one important criterion, so the development of its direct stability assessment regulation has become a topic undergoing close review. In this paper a peak-over-threshold (POT) method is proposed to evaluate the dead ship stability, which focuses on the statistical extrapolation that exceed the threshold, also the traditional Monte Carlo simulation is carried out to approve the method. On the basis of verification calculation of the sample ship CEHIPAR2792, the capsizing probability of a certain warship is also conducted. Moreover, the influence of initial stability height GM and effective wave slope coefficient  on the capsizing probability is analysed. The results and the possible reason for the difference are examined. This study is expected to provide technical support for the second-generation stability criteria and establish the capsizing probability of damaged dead ship stability.

 

Reference

Transactions RINA, Vol 161, Part A3, International Journal Maritime Engineering, Jul - Sep 2019 

DOI Number

DOI No: 10.3940/rina.ijme.2019.a3.557

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