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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/26271

    Title: Finite-Element Calculation of Elastodynamic Stress Intensity Factors along a 3D Nonplanar Curved Crack
    Authors: Chang,JH;Wu,DJ
    Contributors: 土木工程研究所
    Date: 2009
    Issue Date: 2010-06-29 17:09:39 (UTC+8)
    Publisher: 中央大學
    Abstract: A numerical procedure is presented for calculation of the mixed-mode elastodynamic stress intensity factors for a stationary three-dimensional curved crack with nonplanar surfaces. The computational scheme is developed by modifying the concept of the elastodynamic J(k) integrals, which are shown to be surface independent in a modified sense. As the near-front region needs to be included in the calculation, special treatment is thus addressed to modeling the elastodynamic singular behavior. Neither extra auxiliary solutions nor singular finite elements are required for the computation.
    Appears in Collections:[土木工程研究所] 期刊論文

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