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Volume 29 Issue 7
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WU Chunying, GE Xiurun, LIU Xueyan, Scarpas A. Inverse dynamic system for pavement structure based on 3D spectral elements[J]. Chinese Journal of Geotechnical Engineering, 2007, 29(7): 1060-1064.
Citation: WU Chunying, GE Xiurun, LIU Xueyan, Scarpas A. Inverse dynamic system for pavement structure based on 3D spectral elements[J]. Chinese Journal of Geotechnical Engineering, 2007, 29(7): 1060-1064.
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Inverse dynamic system for pavement structure based on 3D spectral elements

  • 1.Highway Engineering Department Jiangsu Transportation Institute Nanjing 210017 China 2.School of Naval Architecture Ocean and Civil Engineering Shanghai Jiaotong University Shanghai 200240 China 3.Section of Structural Mechanics Faculty of Civil Engineering and Geosciences Delft University of Technology 2628 CN Delft Netherlands

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  • Published Date: July 15, 2007
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  • A new type of spectral element was proposed to solve the problems of three-dimensional multi-layered system subjected to an impulsive load.In frequency domain,each layer in structure was simulated as two-noded or one-noded spectral element.In order to identify the parameters of layered system,a nonlinear optimization method called Powell algorithm was employed.Both the proposed method and finite element method were applied to analyze the dynamic response of a three-layered structure subjected to an impact.And the two results agreed well with each other.Moreover,in the case of the inverse calculation,it was shown that the stable and efficient convergences were obtained.
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