Ship capsizing by broaching-to in severe following-quartering seas

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Project objective

Capsizing by broaching-to is the most dynamic mode of ship capsize, resulting from loss of controllability in severe following/quartering seas. The vessel experiences a rapid development of forced turning that can cause it to end up almost beam-on to the wave direction despite maximum rudder action. This is frequently accompanied by large angles of heel that can cause considerable damage and may lead to capsize. Mariners have long appreciated the fact that most ships run the danger of this possibility. However, despite considerable reaserch effort, the precise cause of capsizing by broaching-to, nature of the phenomenon and ensuing vessel behaviour remain largely unknown. Progress in these areas is clearly essential in order to reduce the risk of vessel capsize. The proposed research project is an attempt to achieve such progress by making use of recent developments in non-linear systems dynamics together with a comprehensive series of accurately controlled model experiments. The main aim is to obtain a fundamental understanding of the cause and nature of ship capsize by broaching-to and to use this to offer recommendations for reducing the risk of capsize by means of improved ship design and operational practice. The researcher will join an internationally recognised stability research group and in particular a team of UK-Japanese researchers in a three-year Collaborative Research Programme on The Stability and Operational Safety of Ships in Severe Astern Seas." "

Original text from CORDIS.

Participants

• UNIVERSITY OF STRATHCLYDE · GLASGOWCoordinatorUnited Kingdom
• Not availableCity levelGreece

Links

• View on CORDIS