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有限元模拟摩擦效应对织物防弹性能的影响 被引量:3

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摘要 建立了平纹织物的三维细观有限元模型,使用有限元软件LS—DYNA模拟了钢弹冲击条件下,纱线之间的摩擦系数对织物防弹性能的影响。纱线采用正交各向异性材料模型,材料力学性参数和失效条件参考细度为600D的Kevlar KM2织物,并考虑纱线和弹丸之间以及纱线和纱线之间的摩擦。模拟中,通过设置的弹丸初始速率Vs,分析不同的纱线之间的摩擦系数,对弹丸剩余速率Vr和织物防弹性能的影响。模拟的结果表明:在一定范围内,纱线之间的摩擦系数越大,相应弹丸的Vr越小,织物具有更好的防弹性能,并且在模拟中,织物的变形过程和失效形式得到细致的展现。
出处 《天津纺织科技》 2015年第4期15-17,22,共4页 Tianjin Textile Science & Technology
基金 内蒙古工业大学科学研究项目(X201425)
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参考文献9

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