Exploration of the applicability of the static equivalency method using experimental data

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Conference4th International Ship Stability Workshop, September 27-29, 1998, St. John's, Newfoundland
SubjectSEM,; capsize
AbstractThe Static Equivalency Method (SEM) developed by the Strathclyde University research team offers a simple predictor of capsize for a wide range of ship conditions. Data generated by Transport Canada's experiment program of capsize investigations was reanalyzed to investigate the validity of the predictor equations, and their range of applicability. Excellent agreement was found for cases in which the dynamic roll component of ship behaviour is small and where internal sloshing is limited, in particular for ships with centreline casings. The SEM capsize predictor was also applied successfully to cases with freeing ports, though more work is needed to define water buildup under these conditions. Some limitations of the model predictions were highlighted, and potential sources of error identified. Results of the project were used to provide recommendations as to how the SEM could be applied as a component of deterministic or fully probabilistic damaged stability criteria.
Publication date
AffiliationNRC Institute for Ocean Technology; National Research Council Canada
Peer reviewedYes
NRC number5144
NPARC number8895293
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Record identifier6ea1038b-cd41-499a-8b99-dd12aba11074
Record created2009-04-22
Record modified2017-05-12
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