A system that enables 3D-visualisation of ship motions in waves and ship grounding is developed. The architecture of such a visualisation system is presented. The system comprises three parts: the first part is the entity transferring the ship data provided by the NAPA ship design software into the form used by the software evaluating ship dynamics and also utilised by the visualisation system. The second part, called LAIDYN, evaluates ship dynamic responses. In this method, the ship is regarded as an intact rigid body. Large amplitude non-linear ship motion in waves or ship dynamic response due to grounding is simulated. The third part, which is described in greater detail, is the visualisation. The basic entities and tools for producing 3D visualisation are presented. The programming language Visual C++6.0 and the GLUT visualisation library are used. The objects necessary for the visualisation of ship motion and grounding are defined and their properties are discussed. The user interface for the visualisation system is presented. Also, the implementation of the entire system is described. Two examples of the visualisation system application are presented. The first one deals with parametric roll resonance of a Ro-Ro vessel in following seas and the other visualises a hard power grounding of another Ro-Ro ship. The possibilities for further development of the system for a ship-handling simulator are discussed.


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    Titel :

    Visualisation of ship motions in waves and during grounding for simulators


    Beteiligte:
    Mäesalu, M. (Autor:in) / Matusiak, J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2004


    Format / Umfang :

    5 Seiten, 8 Bilder, 7 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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