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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/50468

    Title: An iterative approach to linear torsion analysis of web-tapered I-beams using a uniform I-beam element
    Authors: 姚忠達;Yau, Jong-dar
    Contributors: 淡江大學建築學系
    Keywords: Linear torsion;web-tapered I-beams
    Date: 2008-09
    Issue Date: 2010-08-09 18:00:27 (UTC+8)
    Publisher: Singapore: World Scientific Publishing Co. Pte. Ltd.
    Abstract: Uniform I-beam elements are not suitable for simulating the torsional behavior of web-tapered I-beams since they fail to account for the torsional effect associated with web-tapering. To resolve this problem, an iterative approach is presented for computing the linear torsional response of web-tapered I-beams using an existing uniform I-beam element. An iterative procedure includes three phases: predictor, corrector, and error-checking. In this paper, the predictor is a solution of the structural displacements using the conventional uniform I-beam elements, and the corrector is concerned with recovery of internal forces, in which the element forces are computed in an analytical way, taking into account the torsional effect of a twisted I-beam considering web-tapering. The applicability and accuracy of the iterative approach presented herein are confirmed by comparing the computed responses for a torsionally loaded I-beam with varied web-tapering to the exact solutions.
    Relation: International Journal of Structural Stability and Dynamics 8(3), pp.521-529
    DOI: 10.1142/S0219455408002788
    Appears in Collections:[建築學系暨研究所] 期刊論文

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