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首页> 外文期刊>Journal of Computational Science and Technology >Study on Crash Characteristics of Half Cut Type Vehicle Side Member Structure of Energy Absorption Ability by Using Origami Engineering
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Study on Crash Characteristics of Half Cut Type Vehicle Side Member Structure of Energy Absorption Ability by Using Origami Engineering

机译:用折纸技术研究半切型车辆侧吸能结构的碰撞特性

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References(9) As regard to car frontal crash, previous research has indicated that front side member plays major role in energy absorption. For protecting the passengers, the front side member is expected to absorb crash energy as much as possible. In this study, we investigated the crash characteristics of half cut type side member structure by optimal design method to improve the performance for energy absorption. We developed an automatic optimal design system, in which the analysis meshes are generated with a group of design parameters and shape optimization is carried out automatically. The design variables are side member cross section shape, spot welding pitch length, divisional section number and radius difference along the axial direction, and the number of subdivision levels. As the result, the optimal side member structure with half cut type is capable of absorbing 1.44 times (1.29 times per unit mass) more energy than the original rectangular cross sectional side member structure with half cut type which is generally used.
机译:参考文献(9)关于汽车正面碰撞,先前的研究表明,前纵梁在吸收能量方面起着重要作用。为了保护乘客,前纵梁有望尽可能吸收碰撞能量。在本研究中,我们通过优化设计方法研究了半切式侧梁结构的碰撞特性,以提高能量吸收性能。我们开发了一种自动优化设计系统,其中使用一组设计参数生成分析网格,并自动进行形状优化。设计变量是纵梁的横截面形状,点焊节距长度,沿轴向方向的分隔截面数和半径差以及细分级别的数量。结果,与通常使用的原始的具有半切割型的矩形横截面侧部构件结构相比,具有半切割型的最佳侧部构件结构能够吸收1.44倍(每单位质量1.29倍)的能量。

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