COMPARISON OF ANALYSIS TECHNIQUES FOR OFFSHORE PLATFORM CRANES.

    Research output: Contribution to journalArticle

    Abstract

    This paper compares the efficiency of mode superposition and direct integration methods for the dynamic analysis of offshore platform cranes. Newmark's method and the central difference method, which integrate the equations of motion directly, are compared with the method of mode superposition on the basis of computer time, computer storage, and program complexity. Programing techniques to improve the efficiency of the different algorithms are described. Results are presented that show the central difference method to be uneconomic in comparison with the other two methods. The method of mode superposition, while requiring marginally more computer storage, is shown to offer substantial savings in computer time over Newmark's method.

    Original languageEnglish
    Pages (from-to)21-26
    Number of pages6
    JournalStructural Engineer, Part B: R&D Quarterly
    Volume63 B
    Issue number2
    Publication statusPublished - Jun 1985

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    Cranes
    Dynamic analysis
    Equations of motion

    Cite this

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    title = "COMPARISON OF ANALYSIS TECHNIQUES FOR OFFSHORE PLATFORM CRANES.",
    abstract = "This paper compares the efficiency of mode superposition and direct integration methods for the dynamic analysis of offshore platform cranes. Newmark's method and the central difference method, which integrate the equations of motion directly, are compared with the method of mode superposition on the basis of computer time, computer storage, and program complexity. Programing techniques to improve the efficiency of the different algorithms are described. Results are presented that show the central difference method to be uneconomic in comparison with the other two methods. The method of mode superposition, while requiring marginally more computer storage, is shown to offer substantial savings in computer time over Newmark's method.",
    author = "Balfour, {J. A D}",
    year = "1985",
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    journal = "Structural Engineer, Part B: R&D Quarterly",
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    COMPARISON OF ANALYSIS TECHNIQUES FOR OFFSHORE PLATFORM CRANES. / Balfour, J. A D.

    In: Structural Engineer, Part B: R&D Quarterly, Vol. 63 B, No. 2, 06.1985, p. 21-26.

    Research output: Contribution to journalArticle

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    N2 - This paper compares the efficiency of mode superposition and direct integration methods for the dynamic analysis of offshore platform cranes. Newmark's method and the central difference method, which integrate the equations of motion directly, are compared with the method of mode superposition on the basis of computer time, computer storage, and program complexity. Programing techniques to improve the efficiency of the different algorithms are described. Results are presented that show the central difference method to be uneconomic in comparison with the other two methods. The method of mode superposition, while requiring marginally more computer storage, is shown to offer substantial savings in computer time over Newmark's method.

    AB - This paper compares the efficiency of mode superposition and direct integration methods for the dynamic analysis of offshore platform cranes. Newmark's method and the central difference method, which integrate the equations of motion directly, are compared with the method of mode superposition on the basis of computer time, computer storage, and program complexity. Programing techniques to improve the efficiency of the different algorithms are described. Results are presented that show the central difference method to be uneconomic in comparison with the other two methods. The method of mode superposition, while requiring marginally more computer storage, is shown to offer substantial savings in computer time over Newmark's method.

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