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Low Velocity Impact Analyses of Prismatic Columns using Finite Element Method

机译：有限元法分析柱体的低速冲击

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摘要

This paper presents the study of prismatic columns of different cross sections subjected to low velocity impact, which are commonly used as energy absorber components in vehicles. The impacts of the columns were numerically analyzed using FEM. Four cross sections were considered, i.e. square, hexagonal, octagonal and circular. For each cross section, columns with several combinations of perimeters and thicknesses were analyzed. The results showed that, for columns with equal perimeter and thickness, those with circular cross sections have the highest mean crushing force and those with square cross sections have the lowest crushing forces. Furthermore, keeping all other parameters constant, columns with thicker wall have significantly higher crushing force while columns with longer perimeter have only slightly higher crushing force. This parametric information will be very useful for modern automotive industry in designing front longitudinal members within an acceptable safety level.
机译：本文介绍了在低速冲击下不同横截面的棱柱的研究，这些棱柱通常用作车辆的能量吸收器部件。使用FEM对柱的影响进行了数值分析。考虑了四个横截面，即正方形，六边形，八边形和圆形。对于每个横截面，分析了具有周长和厚度的几种组合的圆柱。结果表明，对于周长和厚度相等的圆柱，圆形截面的平均破碎力最大，方形截面的最小破碎力。此外，在保持所有其他参数不变的情况下，壁较厚的色谱柱的破碎力明显更高，而周长较长的色谱柱的破碎力仅稍高一些。该参数信息对于现代汽车工业在可接受的安全级别内设计前纵梁非常有用。

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  • 来源
    《Fracture and strength of solids VII》|2010年|p.1308-1313|共6页
  • 会议地点 Kuala Lumpur(MY);Kuala Lumpur(MY)
  • 作者

    Annisa Jusuf; Fajri Syah Allam; Tatacipta Dirgantara; Leonardo Gunawan; Ichsan Setya Putra;

  • 作者单位

    Light-Weight Structure Research Group, Faculty of Mechanical and Aerospace Engineering Institut Teknologi Bandung Jl. Ganesha 10 Bandung 40132, Indonesia;

    Light-Weight Structure Research Group, Faculty of Mechanical and Aerospace Engineering Institut Teknologi Bandung Jl. Ganesha 10 Bandung 40132, Indonesia;

    Light-Weight Structure Research Group, Faculty of Mechanical and Aerospace Engineering Institut Teknologi Bandung Jl. Ganesha 10 Bandung 40132, Indonesia;

    Light-Weight Structure Research Group, Faculty of Mechanical and Aerospace Engineering Institut Teknologi Bandung Jl. Ganesha 10 Bandung 40132, Indonesia;

    Light-Weight Structure Research Group, Faculty of Mechanical and Aerospace Engineering Institut Teknologi Bandung Jl. Ganesha 10 Bandung 40132, Indonesia;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程材料一般性问题;
  • 关键词

    Crashworthiness; Prismatic columns; Impact; Axial crushing;

    机译：耐撞性棱柱影响；轴向破碎;

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