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Robust Design of S-Shaped Box Beams Subjected to Compressive Load

机译：承受压缩载荷的S形箱形梁的稳健设计

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摘要

In order to design the automotive components considering probabilistic uncertainties in the decision variables, it is desired to perform a robust design process. The peak crushing force of the energy absorber components is one of the important objectives of the design of such components. In this paper, at first, the peak crushing force of the S-shaped box beams, as a highly simplified model of front member of a vehicle body, is extracted mathematically. Using such obtained mathematical model and Monte Carlo simulation, genetic algorithm is then used for the robust design of the S-shaped box beams having probabilistic uncertainties in material and geometrical parameters. In this way the variance-per-mean ratio of the peak crushing force (P_(max)) is considered as the objective function. It is shown that some interesting relationships as useful robust design principles involved in the performance of the S-shaped box beams can be discovered by the robust design of the obtained mathematical model.
机译：为了在考虑决策变量中的概率不确定性的情况下设计汽车部件，期望执行鲁棒的设计过程。能量吸收器部件的峰值挤压力是这种部件设计的重要目标之一。在本文中，首先，作为车身前部部件的高度简化模型，S形箱形梁的峰值挤压力在数学上被提取。使用这样获得的数学模型和蒙特卡洛模拟，然后使用遗传算法对材料和几何参数具有概率不确定性的S形箱形梁进行稳健设计。以这种方式，峰值破碎力的每均方差比（P_（max））被视为目标函数。结果表明，通过获得的数学模型的稳健设计，可以发现一些有趣的关系，这些稳健的设计原则是参与S形箱形梁性能的有用方法。

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  • 来源
    《Mathematical Problems in Engineering》 |2010年第2期|p.28.1-28.18|共18页
  • 作者

    A. Khakhali; A. Darvizeh; A. Masoumi; N. Nariman-Zadeh; A. Shiri;

  • 作者单位

    Department of Mechanical Engineering, Faculty of Engineering, The University of Guilan,P.O. Box 3756, Rasht 3756, Iran;

    rnDepartment of Mechanical Engineering, Faculty of Engineering, The University of Guilan,P.O. Box 3756, Rasht 3756, Iran;

    rnSchools of Mechanical Engineering, Faculty of Engineering, University of Tehran, Tehran, Iran;

    rnDepartment of Mechanical Engineering, Faculty of Engineering, The University of Guilan,P.O. Box 3756, Rasht 3756, Iran,Intelligent-Based Experimental Mechanics Center of Excellence, School of Mechanical Engineering,Faculty of Engineering, University of Tehran, Tehran, Iran;

    rnDepartment of Mechanical Engineering, Faculty of Engineering, The University of Guilan,P.O. Box 3756, Rasht 3756, Iran;

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