The scope of this thesis is to study the stability of two ships in close proximity towing. Unlike previous studies in the past the lateral dynamics of both ships are included in the formulation. The equations of notion of the system consist of the sway and yaw motions of the two ships and a control law for the leading ship. An eigenvalue stability analysis of the coupled system confirms the results that are obtained through numerical simulations. It is shown that it is possible for the system to be unstable even through the classical criteria for the towing stability are satisfied. A series of parametric studies is conducted in order to analyze the sensitivity of the system for different towline lengths tension and control time constant.


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    Titel :

    Coupled Stability Analysis of Close Proximity Ship Towing


    Beteiligte:
    M. Gokee (Autor:in)

    Erscheinungsdatum :

    2002


    Format / Umfang :

    99 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






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