Sample Applications of the Second Generation Intact Stability Criteria – Robustness and Consistency Analysis

Carsten Schrøter, Marie Lützen, Henrik Erichsen, Jørgen Juncher Jensen, Hans Otto Kristensen, Preben Hagelskjær Lauridsen, Onur Tunccan, Jens Peter Baltsersen

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A new Intact Stability Code, the so-called Second Generation of Intact Stability Criteria, is currently under development and validation by the International Maritime Organization (IMO). The criteria are separated into five failure modes, each of which is analyzed by two vulnerability levels and, if needed, a direct numerical simulation. The present paper summarizes results testing the vulnerability levels in these news tability criteria. The calculations are carried out for 17 ships using the full matrix of operational draughts, trims and GM values. Each failure mode criterion is examined individually regarding construction of a GM limit curve for the full range of operational draughts. The consistency of the outcomes has been analyzed, and finally examined whether the new criteria tend to be more or less conservative compared to the present rules by evaluating approved loading conditions.
Original languageEnglish
Title of host publicationProceedings of the 16th International Ship Stability Workshop
Publication date2017
ISBN (Electronic)978-86-7083-935-9
Publication statusPublished - 2017
Event16th International Ship Stability Workshop - Belgrade, Serbia
Duration: 5 Jun 20177 Jun 2017


Conference16th International Ship Stability Workshop


  • IMO
  • Second generation intact stability criteria
  • Sample calculations
  • GM limit curves


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