Second generation calculation method for use in the inclining experiment

Kristian Bertheussen Karolius, Dracos Vassalos

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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The vertical centre of gravity (VCG) is paramount in assessing intact and damage stability being the baseline for any condition of loading. It is well known that the Classical method used to calculate the VCG is limited by assuming an unchanged metacentre position and may produce error prone results. An alternative method, namely the Polar method, will be presented in this paper. Possible implications inherent in the Classical method on stability performance and safety will be assessed utilising the attained index A. The study clearly highlights the accuracy and flexibility of the Polar method and demonstrates the importance of correct VCG calculation as even minor errors in the order of millimetres may translate into extensive weights and moments compromising stability and safety.

Original languageEnglish
Title of host publication13th International Conference on the Stability of Ships and Ocean Vehicles
Place of PublicationJapan
Number of pages8
Publication statusPublished - 16 Sep 2018


  • stability
  • safety
  • inclining experiment
  • VCG calculation

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