A Statistical Filament-Level Modeling of the Impact Behavior of Single and Multi-layer Woven Fabric

IF 2.2 4区 工程技术 Q1 MATERIALS SCIENCE, TEXTILES Fibers and Polymers Pub Date : 2024-12-20 DOI:10.1007/s12221-024-00813-z
Ying Ma, Chuan Peng, Sheng Lu, Congying Deng, Jiufei Luo, Xiang Chen
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Abstract

In this paper, the ballistic impact performance of the single and multi-layer 2D woven fabric system is simulated at filament level. A dynamic approach implementing the elasto-plastic fiber transversal behaviour is proposed to statistically investigate the probabilistic impact response and failure mechanism at filament level. A convergence study is carried out first to determine the resolution of discretization. The simulated impact performance of the single layer fabric is validated by the experiment’s upon impact velocity ranges from 38 to 346 m/s. The probabilistic velocity response (PVR) curve is derived utilizing the Langlie (one-shot) method. Then, the 1- to 6-layer fabric are simulated under the impact velocity of 518 m/s. The deflection and stress level of a filament in principal yarn in each layer is plotted over time. It revealed that filaments failed at random location due to statistical defect upon impact. The variation between the numerical and experimental reaches the most when impact velocity is in between V0 and V100. Yarns are subjected to tensile dominate failure. Partial yarn failure, yarn decrimping, slippage, and filament transverse movement happened during the projectile perforation process. The stress level in the filament in principal yarns of all layers is almost the same, it propagates from the impact center to the edge and doubles its value, which leads to filament failure near the clamped edge.

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单、多层机织物冲击性能的统计细丝级建模
本文在长丝水平上对单层和多层二维机织物体系的弹道冲击性能进行了仿真。提出了一种实现弹塑性纤维横向行为的动态方法,以统计研究长丝水平的概率冲击响应和破坏机制。为了确定离散化的分辨率,首先进行了收敛性研究。在38 ~ 346 m/s的冲击速度范围内,通过实验验证了单层织物的模拟冲击性能。利用Langlie (single -shot)方法导出了概率速度响应(PVR)曲线。然后,在518 m/s的冲击速度下,对1 ~ 6层织物进行了模拟。每层主纱中长丝的挠度和应力水平随时间变化。结果表明,由于冲击时的统计缺陷,细丝在随机位置失效。当冲击速度在V0 ~ V100之间时,数值值与实验值的差异最大。纱线易受拉伸破坏。在弹丸穿孔过程中,出现了部分失纱、脱纱、打滑、长丝横向移动等现象。各层主纱中长丝的应力水平基本相同,从冲击中心向边缘传播,应力值翻倍,导致长丝在夹紧边缘附近断裂。
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来源期刊
Fibers and Polymers
Fibers and Polymers 工程技术-材料科学:纺织
CiteScore
3.90
自引率
8.00%
发文量
267
审稿时长
3.9 months
期刊介绍: -Chemistry of Fiber Materials, Polymer Reactions and Synthesis- Physical Properties of Fibers, Polymer Blends and Composites- Fiber Spinning and Textile Processing, Polymer Physics, Morphology- Colorants and Dyeing, Polymer Analysis and Characterization- Chemical Aftertreatment of Textiles, Polymer Processing and Rheology- Textile and Apparel Science, Functional Polymers
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