Effect of obliquity on ballistic impact response of plain-woven fabric

Q4 Engineering
K. Yadav, A. Upadhyay, K. Shukla
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引用次数: 0

Abstract

This numerical study presents the effect of obliquity on ballistic impact response of plain-woven fabric. A numerical model of plain-woven fabric subjected to a high-velocity impact at yarns crossover is simulated with the help of commercial finite element tool ABAQUS. The FE analysis depicts that the ballistic impact response of plain-woven fabric largely depends on the obliquity of impact due to phenomena like uneven strain distribution in different directions and sliding of the projectile on woven fabric yarns about the point of impact. The total energy dissipated by the fabric showed a decreasing-increasing behaviour with an increase in obliquity. This transition in the trend of total energy dissipated by fabric came in between 30°-45°, which depends on relative dominance of sliding of yarn and uneven strain distribution.
倾角对平纹织物弹道冲击响应的影响
数值研究了倾角对平纹织物弹道冲击响应的影响。利用商业有限元工具ABAQUS,对平纹织物在纱线交叉处受到高速冲击的数值模型进行了模拟。有限元分析表明,平纹织物的弹道冲击响应在很大程度上取决于冲击倾角,这是由于不同方向上的不均匀应变分布以及弹丸在冲击点附近在织物纱线上滑动等现象造成的。织物耗散的总能量随着倾角的增加而呈现出递减-递增的行为。织物总能量耗散趋势的这种转变在30°-45°之间,这取决于纱线滑动的相对优势和应变分布的不均匀。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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0.40
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