The maintenance of ship structures is very important to avoid serious casualties such as oil spill from tankers. For this reason, it is necessary to detect and evaluate the state of the damages properly. In this paper, a new concept of an information system for structural integrity of ships is proposed in order to improve the safety and to assess the condition of structural strength in service. In this system, all information of damages in a certain ship obtained from hull surveys is managed in an information database, allowing assessments to be made at any time in the ship's life of the present structural integrity status or provisions to be made for the future. By using the proposed concept it becomes possible to provide a valuable tool for repair management and planning. One of the advantages of this concept is that reasonable and advanced assessment of an aged ship is readily achievable by using the information about damages and the three-dimensional structural data stored in the database. Based on the proposed concept, a prototype system for the evaluation of corrosion damages is developed by using the STEP (standard for the exchange of product model data) technologies with the proposal of a data model of the information system. Also, a method for the import of ship structural data into the database is studied for practical development of the system. Moreover, a framework for the generation of analysis models for strength of aged ships is proposed, by which labour saving is possible using a generating analysis model. The validity of the effectiveness of the proposed concept is shown with some examples.


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    Title :

    Information System for Structural Integrity of Ships


    Contributors:
    Kawamura, Y (author) / Sumi, Y (author)


    Publication date :

    2005-06-01


    Size :

    14 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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