A simulation approach for quantifying ballistic impact damage in ultra-high-performance concrete

IF 5.1 2区 工程技术 Q1 ENGINEERING, MECHANICAL
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引用次数: 0

Abstract

In this work, we provide a hydrocode simulation model for high-velocity projectile impact against ultra-high-performance concrete targets and establish a methodology to extract damage quantities from the simulation results. In the parameter derivation process, published and own data stemming from material experiments, such as uniaxial, triaxial, and planar plate impact tests, are used as a starting point. To fill the systematic gaps of strength data for pressures of 1 GPa to 5 GPa and for fractured concretes, residual velocities of projectiles and qualitative target damage information from ballistic experiments with high-hard steel spheres are additionally used as a reference in parametric simulations. All criteria from the comparatively broad data basis are successfully reproduced by the simulation model simultaneously. The simulated damage quantities derived by the proposed extraction procedure are reasonable counterparts to the corresponding experimental measures from earlier published works, allowing a new quality of comparison between both worlds.

量化超高性能混凝土弹道冲击损伤的模拟方法
在这项工作中,我们提供了针对超高性能混凝土目标的高速弹丸冲击的水码模拟模型,并建立了从模拟结果中提取破坏量的方法。在参数推导过程中,我们以材料实验(如单轴、三轴和平面板冲击试验)中已公布的数据和自有数据为起点。为了填补 1 GPa 至 5 GPa 压力和断裂混凝土强度数据的系统性空白,参数模拟中还参考了高硬度钢球弹道实验中的射弹残余速度和目标定性损伤信息。模拟模型同时成功地再现了来自相对广泛数据基础的所有标准。通过建议的提取程序得出的模拟损伤量合理地对应了早先出版的著作中的相应实验测量值,从而为两个世界之间的比较提供了新的质量。
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来源期刊
International Journal of Impact Engineering
International Journal of Impact Engineering 工程技术-工程:机械
CiteScore
8.70
自引率
13.70%
发文量
241
审稿时长
52 days
期刊介绍: The International Journal of Impact Engineering, established in 1983 publishes original research findings related to the response of structures, components and materials subjected to impact, blast and high-rate loading. Areas relevant to the journal encompass the following general topics and those associated with them: -Behaviour and failure of structures and materials under impact and blast loading -Systems for protection and absorption of impact and blast loading -Terminal ballistics -Dynamic behaviour and failure of materials including plasticity and fracture -Stress waves -Structural crashworthiness -High-rate mechanical and forming processes -Impact, blast and high-rate loading/measurement techniques and their applications
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