Sun Jie, Xu Di, Diao Peng, et al. Electrochemical preparation of Ag nanostructures and their surface enhanced Raman scattering effects[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(2): 280-284. (in Chinese)
Citation: Wang Chuansheng, Zhang Jianyu, Bao Rui, et al. Reliability analysis on structure with multiple site damage[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(08): 899-902. (in Chinese)

Reliability analysis on structure with multiple site damage

  • Received Date: 14 Oct 2005
  • Publish Date: 31 Aug 2006
  • A quantitative analysis method on the occurrence probability of MSD(multiple site damage)was presented based on the theory of statistics in fatigue and fracture mechanics and the existing experimental results. It predigested the calculation for the occurrence probability of MSD and provided reference for the evaluation of fatigue life of aircraft structures. It assumed that the initiating life of single crack follows logarithmic normal distribution or normal distribution according to existing research and experimental results. The assumption was rational and it didn′t affect the foundation of calculation and theory. For the structures with multiple details, MSD in the structure happened when two or more than two details emanated cracks at certain time. According to these, method and formula were proposed. A numerical example and corresponding stress-MSD probability curve were given for the proposed approach. The result indicates that the method is reasonable and can be used in engineering.

     

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