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Real-Time Simulation of Ship Impact for Crew Training

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Abstract:

Real-time simulation of marine accidents and representation in a realistic, virtual environment may be an efficient way to train emergency procedures for ship's crews and thus improve safety at sea. However, although various fast, simplified methods have been presented over the past decades, the real-time simulation of ship groundingand collision events poses anumber of challenges.This paperpresents a set of theoretical models and methods by which it is relatively easy to implement collision and grounding modelingcapabilitiesinexisting,real-timemarinesimulators.Mostnotably,thepaperco methodsfor fast prediction of collision and grounding motion and a method that transforms any motion into a set of forces. The latter method allows that the grounding and collision impact modules interact with the simulation software only through specification of external forces on the hull. The efficiency of the developed procedures is demonstrated by three examples: ship berthing (impact with quay), ship grounding on a pinnacle rock, and ship-to-ship collision. Although the paper specifically addresses ship impact problems, it is believed that a part of the presented methods would be advantageous to use in other types of time simulation where it is desirable to switch between direct time integration and some other known, stabilized solution, without a major redesign of the program architecture.

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Document Type: Research Article

Publication date: October 1, 2003

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  • Marine Technology is dedicated to James Kennedy, 1867-1936, marine engineer, and longtime member of the Society, in recognition and appreciation of his sincere and generous interest in furthering the art of ship design, shipbuilding, ship operation, and related activities.

    The Technical papers in this quarterly flagship journal cover a broad spectrum of research on the latest technological breakthroughs, trends, concepts, and discoveries in the marine industry. SNAME News is packed with Society news and information on national, section, and local levels as well as updates on committee activities, meetings, seminars, professional conferences, and employment opportunities.

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