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    題名: Damage Assessment for 2D Multicracked Materials/Structures by Using M-c-Integral
    作者: Chang,JH;Liu,DY
    貢獻者: 土木工程研究所
    關鍵詞: FUNCTIONALLY GRADED MATERIALS;PARTICLE INTERACTIONS;CONSERVATION LAWS;MULTIPLE DEFECTS;ELASTIC-MODULI;SOLIDS;CRACKS;MODEL
    日期: 2009
    上傳時間: 2010-06-29 17:09:30 (UTC+8)
    出版者: 中央大學
    摘要: An efficient method is presented to characterize the damage state for two-dimensional multicracked elastic solids. This method is based on the concept of a path-independent M-c-integral, through which the surface energy associated with creation of all the cracks is evaluated. On one hand, when the cracked media are homogeneously stressed, the correspondence relation between the effective material moduli and M-c is established. On the other hand, when the cracked solids are nonhomogeneously stressed, the effective structural stiffness is determined by using the result of M-c. Through proper use of M-c, the damage state of the cracked structure can be assessed both qualitatively and quantitatively.
    關聯: JOURNAL OF ENGINEERING MECHANICS-ASCE
    顯示於類別:[土木工程研究所] 期刊論文

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