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Current Status of the 2nd Generation of Intact Stability: Investigation of the Pure Loss of Stability and Parametric Roll Mode

  • Chung, Jaeho (Security Convergence Institute, Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Shin, Dong Min (Shipbuilding & Ocean Equipment Industry Empowerment Center, Kunsan National University) ;
  • Kim, Won-Don (Marine Tech-In Co.,Ltd.) ;
  • Moon, Byung Young (Shipbuilding & Ocean Equipment Industry Empowerment Center, Kunsan National University)
  • Received : 2019.05.28
  • Accepted : 2020.02.14
  • Published : 2020.04.30

Abstract

A review of the 2nd generation of intact stability by the International Maritime Organization is performed. The main issues with the new stability criteria are reviewed. In particular, the physical background and related mathematical formulations of the pure loss of stability and parametric roll are summarized. Based on a literature review, benchmark calculation results for 17 different types of ships are discussed, and the final results are in excellent agreement with our physical expectations. Some relatively serious design problems are found in the application of the new stability criteria to sample ships built in Korea, and possible technical solutions are proposed, which have to be improved in the coming years.

Keywords

References

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