淡江大學機構典藏:Item 987654321/59338
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    題名: An iterative interacting method for dynamic analysis of the maglev train–guideway/foundation–soil system
    作者: Yang, Y.B;Yau, J.D.
    貢獻者: 淡江大學建築學系
    關鍵詞: Foundation–soil interaction;Ground vibration;Iterative interacting procedure;Maglev;Resonance;Vehicle–guideway interaction;Wave propagation
    日期: 2011-03
    上傳時間: 2011-10-02 15:48:46 (UTC+8)
    出版者: Kidlington: Pergamon
    摘要: This paper presents an iterative interacting method for analyzing the dynamic response of a maglev train traveling on an elevated guideway supported by piers embedded in soil. The maglev train is idealized as a row of 2D rigid beams each suspended by levitation forces and controlled by onboard PID controllers. The guideway is modeled as a series of simple beams supported by rigid piers embedded in an elastic half-space. To address the structure interactions from the train to the soil and vice versa, the entire model is decomposed into two subsystems, i.e., the maglev train–guideway and foundation–soil subsystems, each interacting with the other via the rigid piers. The procedure of analysis is as follows: First, the train–guideway subsystem is computed, and the support reactions are used as excitations to the elastic half space. Next, the ground vibrations induced by the pier excitations are computed and fed back via the supports for computing the train–guideway response. The procedure is repeated until the convergence condition is satisfied. The solution obtained for a 2-degree-of-freedom system under a harmonic force is compared with the analytical one to verify the validity of the method proposed herein. The effects of ground wave propagation on the vehicle–guideway response will be evaluated in the numerical examples.
    關聯: Engineering Structures 33(3), pp.1013-1024
    DOI: 10.1016/j.engstruct.2010.12.024
    顯示於類別:[建築學系暨研究所] 期刊論文

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