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Structural reliability analysis using response surface method with improved genetic algorithm

机译:改进遗传算法的响应面法分析结构可靠性

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摘要

For the conventional computational methods for structural reliability analysis, the common limitations are long computational time, large number of iteration and low accuracy. Thus, a new novel method for structural reliability analysis has been proposed in this paper based on response surface method incorporated with an improved genetic algorithm. The genetic algorithm is first improved from the conventional genetic algorithm. Then, it is used to produce the response surface and the structural reliability is finally computed using the proposed method. The proposed method can be used to compute structural reliability easily whether the limit state function is explicit or implicit. It has been verified by two practical engineering cases that the algorithm is simple, robust, high accuracy and fast computation.
机译:对于用于结构可靠性分析的常规计算方法,共同的局限性是计算时间长,迭代次数大和精度低。因此,基于响应面法并结合改进的遗传算法,提出了一种结构可靠度分析的新方法。遗传算法首先是对常规遗传算法的改进。然后,将其用于生成响应表面,并使用所提出的方法最终计算出结构可靠性。无论极限状态函数是显式的还是隐式的,所提出的方法都可以轻松地用于计算结构可靠性。通过两个实际工程案例验证了该算法简单,鲁棒,准确度高,计算速度快。

著录项

  • 作者

    Fang Yongfeng; Tee Kong Fah;

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  • 年度 2017
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  • 原文格式 PDF
  • 正文语种 en
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