断裂力学
损伤力学
J积分
机械
材料科学
工程类
结构工程
物理
有限元法
作者
Junling Hou,Junnan Lv,Andreas Ricoeur,Yifeng Hu,Hong Zuo,Yiheng Chen,Qun Li
标识
DOI:10.1016/j.engfracmech.2022.108741
摘要
• In this paper, the historical investigation and state-of-the-art development of the M-integral and corresponding applications are reviewed. • The definition, development and application of M-integral in fracture and damage mechanics have been summarized. • The uses of two-state M-integral for specific problems have been discussed. • Experimental measurement of M-integral is also paid attention. This paper reviews the historical investigation and state-of-the-art developments of the M -integral and corresponding applications, from five key perspectives. Firstly, the origin of the M -integral and the cognitive process of its physical meanings have been recalled. Secondly, within the framework of fracture mechanics, attention is paid to the application of the M -integral in solving specific fracture problems, including the calculation of stress intensity factor, Zener’s crack analysis and the fracture of piezoelectric materials. Thirdly, the use of the M -integral in describing damage evolution, damage or failure criteria and defect interactions of complex damage processes is summarized. Fourthly, the so-called two-state M -integral is discussed, with a focus on case studies including the fracture and damage induced by a composite wedge, nano-inclusions, etc . Last but not least, the experimental methods for measuring the M -integral are reviewed from different perspectives (e.g., contact and non-contact types). In conclusion, this article provides a comprehensive review of the developments and applications of the M -integral, and is particularly effective for failure analysis of multi-defected structures or advanced material systems.
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