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Reliability Analysis-Based Numerical Calculation of Metal Structure of Bridge Crane

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  • Wenjun Meng
  • Zhengmao Yang
  • Xiaolong Qi
  • Jianghui Cai

Abstract

The study introduced a finite element model of DQ75t-28m bridge crane metal structure and made finite element static analysis to obtain the stress response of the dangerous point of metal structure in the most extreme condition. The simulated samples of the random variable and the stress of the dangerous point were successfully obtained through the orthogonal design. Then, we utilized BP neural network nonlinear mapping function trains to get the explicit expression of stress in response to the random variable. Combined with random perturbation theory and first-order second-moment (FOSM) method, the study analyzed the reliability and its sensitivity of metal structure. In conclusion, we established a novel method for accurately quantitative analysis and design of bridge crane metal structure.

Suggested Citation

  • Wenjun Meng & Zhengmao Yang & Xiaolong Qi & Jianghui Cai, 2013. "Reliability Analysis-Based Numerical Calculation of Metal Structure of Bridge Crane," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-5, December.
    • Handle: RePEc:hin:jnlmpe:260976
    DOI: 10.1155/2013/260976
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    Cited by:

    1. Saraygord Afshari, Sajad & Enayatollahi, Fatemeh & Xu, Xiangyang & Liang, Xihui, 2022. "Machine learning-based methods in structural reliability analysis: A review," Reliability Engineering and System Safety, Elsevier, vol. 219(C).

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