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Reliability analysis of structure using metaheuristic method

机译:基于元启发法的结构可靠性分析

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摘要

The purpose of this paper is the development of a new method to analyze the reliability of large-scale structures. The structural reliability analysis requires the quantitative evaluation of safety and the estimation of factors which have significant influence on damage of the structure. However, it is difficult to perform the practical reliability analysis of large-scale structures due to the trade-off between the accuracy and efficiency of calculation. The proposed method of this paper attempts to obtain samples which involve various failure modes by applying metaheuristics to the estimation of probabilistic space. In the propose method, global and local searches with a metaheuristic can perform the efficient sampling based on the occurrence probability of failure sample. Furthermore, it is expected that the obtained samples are useful for the calculation of the failure probability of structures. Numerical examples are presented to demonstrate the applicability of the proposed method to the structural reliability analysis.
机译:本文的目的是开发一种分析大型结构可靠性的新方法。结构可靠性分析要求对安全性进行定量评估,并评估对结构损坏有重大影响的因素。但是,由于要在计算的精度和效率之间进行权衡,因此难以对大型结构进行实用的可靠性分析。本文提出的方法试图通过将元启发法应用于概率空间的估计来获得涉及各种失效模式的样本。在提出的方法中,具有元启发式的全局和局部搜索可以基于故障样本的出现概率执行有效的采样。此外,期望获得的样本可用于计算结构的破坏概率。数值算例表明了该方法在结构可靠度分析中的适用性。

著录项

  • 来源
    《》|2012年|57-64|共8页
  • 会议地点 Yerevan(AM)
  • 作者单位

    Kansai University, Japan;

    Kansai University, Japan;

    Kansai University, Japan;

    Kansai University, Japan;

    Kansai University, Japan;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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