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    Nonlinear Dynamic Analysis of Guyed Tower Platforms

    Source: Journal of Energy Resources Technology:;1983:;volume( 105 ):;issue: 002::page 205
    Author:
    S. Y. Hanna
    ,
    A. Mangiavacchi
    ,
    R. Suhendra
    DOI: 10.1115/1.3230904
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A method of analysis is presented to predict the nonlinear dynamic behavior of compliant offshore structures, in particular guyed tower platforms. The structural model is analyzed in time domain using the normal mode superposition approach. Nonlinearities due to fluid-structure interaction are considered. The nonlinear stiffness of the mooring system is included by suitable modification of the forcing function. Secondary overturning effects due to large deflection are introduced by equivalent lateral forces at each mass point. In analogy to the treatment of the nonlinear mooring stiffness, the nonlinearity of the soil-pile foundation can be accounted for by applying external forces and moments. By way of example, the results of dynamic analyses performed on a guyed tower designed for the North Sea are included.
    keyword(s): Dynamic analysis , Guyed towers , Force , Mooring , Stiffness , Fluid structure interaction , Soil , Offshore structures , Deflection AND North Sea ,
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      Nonlinear Dynamic Analysis of Guyed Tower Platforms

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/96970
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    • Journal of Energy Resources Technology

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    contributor authorS. Y. Hanna
    contributor authorA. Mangiavacchi
    contributor authorR. Suhendra
    date accessioned2017-05-08T23:15:18Z
    date available2017-05-08T23:15:18Z
    date copyrightJune, 1983
    date issued1983
    identifier issn0195-0738
    identifier otherJERTD2-26390#205_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/96970
    description abstractA method of analysis is presented to predict the nonlinear dynamic behavior of compliant offshore structures, in particular guyed tower platforms. The structural model is analyzed in time domain using the normal mode superposition approach. Nonlinearities due to fluid-structure interaction are considered. The nonlinear stiffness of the mooring system is included by suitable modification of the forcing function. Secondary overturning effects due to large deflection are introduced by equivalent lateral forces at each mass point. In analogy to the treatment of the nonlinear mooring stiffness, the nonlinearity of the soil-pile foundation can be accounted for by applying external forces and moments. By way of example, the results of dynamic analyses performed on a guyed tower designed for the North Sea are included.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleNonlinear Dynamic Analysis of Guyed Tower Platforms
    typeJournal Paper
    journal volume105
    journal issue2
    journal titleJournal of Energy Resources Technology
    identifier doi10.1115/1.3230904
    journal fristpage205
    journal lastpage211
    identifier eissn1528-8994
    keywordsDynamic analysis
    keywordsGuyed towers
    keywordsForce
    keywordsMooring
    keywordsStiffness
    keywordsFluid structure interaction
    keywordsSoil
    keywordsOffshore structures
    keywordsDeflection AND North Sea
    treeJournal of Energy Resources Technology:;1983:;volume( 105 ):;issue: 002
    contenttypeFulltext
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