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    Analysis of Motions of a Semisubmersible in Sea Waves

    Source: Journal of Energy Resources Technology:;1982:;volume( 104 ):;issue: 001::page 29
    Author:
    F. Z. Sun
    DOI: 10.1115/1.3230376
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The forces acting on a three-dimensional cylinder with arbitrary symmetrical cross section are derived taking into account viscous effect and applying linear-processing techniques. Then general expressions for the hydrodynamic forces, motion equation and its solution for a semisubmersible platform in regular waves are obtained. Based on linear theory of statistical analysis, it is proposed to employ the concept of “equivalent wave height” for the calculation of transfer functions with which both the short-term and long-term distribution and statistical characteristics of the motion of a semisubmersible may be estimated. A computer program has been developed. Comparison between model experimental and theoretical data has shown satisfactory agreement.
    keyword(s): Motion , Waves , Semi-submersible offshore structures , Seas , Force , Fluid-dynamic forces , Computer software , Cylinders , Statistical analysis , Equations of motion , Symmetry (Physics) AND Transfer functions ,
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      Analysis of Motions of a Semisubmersible in Sea Waves

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    http://yetl.yabesh.ir/yetl1/handle/yetl/95707
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    contributor authorF. Z. Sun
    date accessioned2017-05-08T23:13:06Z
    date available2017-05-08T23:13:06Z
    date copyrightMarch, 1982
    date issued1982
    identifier issn0195-0738
    identifier otherJERTD2-26385#29_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/95707
    description abstractThe forces acting on a three-dimensional cylinder with arbitrary symmetrical cross section are derived taking into account viscous effect and applying linear-processing techniques. Then general expressions for the hydrodynamic forces, motion equation and its solution for a semisubmersible platform in regular waves are obtained. Based on linear theory of statistical analysis, it is proposed to employ the concept of “equivalent wave height” for the calculation of transfer functions with which both the short-term and long-term distribution and statistical characteristics of the motion of a semisubmersible may be estimated. A computer program has been developed. Comparison between model experimental and theoretical data has shown satisfactory agreement.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleAnalysis of Motions of a Semisubmersible in Sea Waves
    typeJournal Paper
    journal volume104
    journal issue1
    journal titleJournal of Energy Resources Technology
    identifier doi10.1115/1.3230376
    journal fristpage29
    journal lastpage38
    identifier eissn1528-8994
    keywordsMotion
    keywordsWaves
    keywordsSemi-submersible offshore structures
    keywordsSeas
    keywordsForce
    keywordsFluid-dynamic forces
    keywordsComputer software
    keywordsCylinders
    keywordsStatistical analysis
    keywordsEquations of motion
    keywordsSymmetry (Physics) AND Transfer functions
    treeJournal of Energy Resources Technology:;1982:;volume( 104 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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