In the present study, a finite element impact model was created and analyzed by commercial FEM code ANSYS^®-AUTODYN and then validated by drop weight impact experiment. Moreover, models of single- and multilayer panels of plain weave as well as different weaving architectures were designed and created with and without holes to compare impact properties. The influence of the size and location of hole defect on the impact behavior of single-layer Twaron^® fabric were investigated, the degree of influence of hole defects with different sizes on the impact behavior and the influence level by different location of the hole defects were well investigated in. In addition, the effect of hole defects on the impact behavior of multi-layer armor panel were studied. Hole defects were less influential in terms of impact contact force and had less severe constraining effect on front layer of the panel when the number of multi-layer armor panels increased. Furthermore, the effect of hole defects on the impact behavior of different weaving architectures (i.e. plain, twill, basket, and satin weave) were analyzed. Plain weave fabric had the highest energy absorption capability in impact scenarios with and without holes among all the woven architectures. Plain weave fabric was the most affected and twill weave was the least affected by hole defects in terms of transverse wave velocity; the satin weave was the most affected and the twill weave was the least affected by hole defects in terms of energy absorption. These findings will provide guidance for engineering of soft body amour and composite materials.

在本研究中，已建立一个有限元模型的影响，并通过商业FEM代码ANSYS分析^® -AUTODYN，然后通过落锤冲击试验验证。此外，设计并创建了平纹编织的单层和多层面板模型以及不同的编织结构，以比较有无孔，以比较冲击性能。在单层的Twaron的冲击行为的大小和孔的缺陷位置的影响^®对织物进行了研究，深入研究了不同尺寸的孔缺陷对冲击行为的影响程度以及孔缺陷在不同位置的影响程度。此外，孔缺陷对多层冲击行为的影响装甲小组进行了研究。当多层装甲板的数量增加时，孔缺陷对冲击接触力的影响较小，并且对板的前层的约束作用较小。此外，分析了孔缺陷对不同编织结构（即平纹，斜纹，网篮和缎纹编织）的冲击行为的影响。在所有机织体系结构中，有无孔的冲击情况下，平纹织物具有最高的能量吸收能力。就横波速度而言，平纹织物受孔缺陷的影响最大，而斜纹织物受孔缺陷的影响最小。就能量吸收而言，缎纹组织受孔缺陷影响最大，而斜纹组织受孔缺陷影响最小。这些发现将为软体香气和复合材料的工程设计提供指导。