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Applied Mathematics and Mechanics (English Edition) ›› 2009, Vol. 30 ›› Issue (3): 365-372.doi: https://doi.org/10.1007/s10483-009-0310-y

• Articles • 上一篇    下一篇

An engineering analysis of penetration of metal ball into fibre-reinforced composite targets

李永池,王志海,王肖钧,胡秀章   

  1. Deptartment of Modern Mechanics, University of Science and Technology of China, Hefei 230027, P. R. China)
  • 收稿日期:2008-07-21 修回日期:2008-11-24 出版日期:2009-03-05 发布日期:2009-03-01
  • 通讯作者: Yong-chi LI, Professor, E-mail: ycli@ustc.edu.cn E-mail:ycli@ustc.edu.cn

An engineering analysis of penetration of metal ball into fibre-reinforced composite targets

Yong-chi LI, Zhi-hai WANG,Xiao-jun WANG, Xiu-zhang HU   

  1. Deptartment of Modern Mechanics, University of Science and Technology of China, Hefei 230027, P. R. China)
  • Received:2008-07-21 Revised:2008-11-24 Online:2009-03-05 Published:2009-03-01
  • Contact: Yong-chi LI, Professor, E-mail: ycli@ustc.edu.cn E-mail:ycli@ustc.edu.cn

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摘要： An engineering analysis of computing the penetration problem of a steel ball penetrating into fibre-reinforced composite targets is presented. Assume the metal ball is a rigid body, and the composite target is a transversely isotropic elasto-plastic material. In the analysis, a spherical cavity dilatation model is incorporated in the cylindrical cavity penetration method. Simulation results based on the modified model are in good
agreement with the results for 3-D Kevlar woven (3DKW) composite anti-penetration experiments. Effects of the target material parameters and impact parameters on the penetration problem are also studied.

关键词: fibre-reinforced composites, engineering analysis, transversely isotropic elasto-plastic materials, spherical cavity dilatation model, cylindrical cavity penetration model

Abstract: An engineering analysis of computing the penetration problem of a steel ball penetrating into fibre-reinforced composite targets is presented. Assume the metal ball is a rigid body, and the composite target is a transversely isotropic elasto-plastic material. In the analysis, a spherical cavity dilatation model is incorporated in the cylindrical cavity penetration method. Simulation results based on the modified model are in good
agreement with the results for 3-D Kevlar woven (3DKW) composite anti-penetration experiments. Effects of the target material parameters and impact parameters on the penetration problem are also studied.

Key words: fibre-reinforced composites, engineering analysis, transversely isotropic elasto-plastic materials, spherical cavity dilatation model, cylindrical cavity penetration model

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