Large amplitude rolling motion of an ocean survey vessel
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This paper describes some recently completed research at the University of New Orleans into the nonlinear and coupled aspects of large amplitude ship rolling motion, including capsizing, at all heading angles. The study analyzes the roll motion of a vessel which experienced large amplitude motions. By studying the nonlinear and coupled aspects of the critical roll motion insight into the important parameters affecting the roll was obtained The roll was found to be multivalued and highly coupled to the sway and the yaw motion .Additional work has been completed and more work is in progress to investigate additional aspects of the subject vessel's motion.
