Surface Ship Shock trials play an essential role in ship test and evaluation (T&E), and Live Fire Test and Evaluation (LFT&E) requirements for the lead ship of each new construction shock-hardened ship class. While these trials are necessary in order to evaluate the vulnerability and survivability of the ship, they are very expensive, require extensive time for planning and coordination, and pose serious danger to the crew, ship and marine environment. Thus, computer modeling of the ship structure, surrounding fluid, and virtual shock environment by utilizing finite element method offers a valuable design tool and an alternative to these tests. This thesis investigates the response of a catamaran-hull ship subjected to an underwater explosion by creating a virtual UNDEX environment based on the modeling and simulation methodology established by the Shock and Vibration Computational Laboratory at the Naval Postgraduate School (NPS). In previous works, all of the structural models were monohull ships and there have been concerns about the feasibility of creating the coupled fluid and catamaran-hull model. This thesis studies the effect of an additional hull and gap between two hulls on the dynamic response of the ship as well as the effect of the charge location.


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    Titel :

    Dynamic Response of a Catamaran-Hull Ship Subjected to Underwater Explosions


    Beteiligte:
    H. Ucar (Autor:in)

    Erscheinungsdatum :

    2006


    Format / Umfang :

    158 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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