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Study on capsizing characteristic of a tumblehome hull under dead ship condition
Author(s): 
Pages: 363-369
Year: Issue:  4
Journal: Journal of Ship Mechanics

Keyword:  stability under dead ship conditiontumblehome hullbeam seacapsizing probability;
Abstract: In this research, the roll motion of tumblehome hull is forecasted numerically by a nonlinear time domain method considering hydrodynamic variation caused by the hull instaneous wet surface. The time his-tories of capsizing motion are simulated at time domain and the method of predicting capsizing probability under dead ship condition is established. Model test of the tumblehome hull for large amplitude motions un-der dead ship condition is carried out in the seakeeping basin and calculated results are verified by the model test data. The capsizing probability, the mean time before capsizing and the suggested GM value are obtained based on the investigation on the capsizing characteristic of the tumblehome hull.
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