A study has been made of environmental conditions and the corresponding vehicle response characteristics to develop a rational method for determining structural design criteria for hydrofoil ships. While the methods are relatively general, application is made to a specific 280-ton hydrofoil ship in ASW missions in the North Atlantic environment. Loading conditions are analyzed for both hullborne and foilborne conditions to determine statistical distributions of the pressures and loads which may be expected on various areas of the hull. These loadings are compared with existing seaplane loading specifications and interpreted in terms of past experience in seaplane design. Analysis of typical structures for the overall hull bending, bottom plating and stringers and decks and supporting structure is carried out for static strength, fatigue life and stiffness under the loading conditions. Statistical loadings for the struts and foils are determined, but evaluation of the controlled ship response and detail foil and strut structure is not included as a part of this study. It is concluded from the analysis of the structure that both static strength and fatigue life must be considered in the design of hydrofoil ship structure. (Author)


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    Title :

    Hydrofoil Ship Structural Design Criteria Study


    Publication date :

    1965


    Size :

    246 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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