Numerical Study on Dynamic Responses and Failure Behaviours of Aramid Fabrics Subject to Blast Loads

FENG Zhenyu; JIANG Chao; GAO Binyuan; XIE Jiang; PEI Hui

doi:10.21656/1000-0887.420025

Volume 42 Issue 11

Nov. 2021

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FENG Zhenyu, JIANG Chao, GAO Binyuan, XIE Jiang, PEI Hui. Numerical Study on Dynamic Responses and Failure Behaviours of Aramid Fabrics Subject to Blast Loads[J]. Applied Mathematics and Mechanics, 2021, 42(11): 1113-1125. doi: 10.21656/1000-0887.420025

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Numerical Study on Dynamic Responses and Failure Behaviours of Aramid Fabrics Subject to Blast Loads

doi: 10.21656/1000-0887.420025

College of Airworthiness, Civil Aviation University of China, Tianjin 300300, P.R.China

Received Date: 2021-01-27
Rev Recd Date: 2021-04-29

Available Online: 2021-12-07

Publish Date: 2021-11-30

Abstract

Abstract

In order to study the anti-blast performance of flexible fabrics, the dynamic response and failure behavior of aramid fabric under blast impact were analyzed with the numerical simulation method. Mechanical tests of aramid fabric H1000D-AP220 were carried out, and the constitutive model for woven fabric and the explosive numerical analysis model were established. The dynamic responses and failure modes of the fabrics under different loads were obtained by the analysis of fabrics with different thicknesses and different stacking angles. The results show that, there are 2 typical failure modes of fabrics under the explosive impact: the failure of the central hole and the tensile tear at the boundary, with obvious folds in the width direction of the fabric. The front and back layers absorb more energy than the middle ones. Better anti-explosion ability can be achieved through adjustment of the fabric stacking angle.
- aramid fabric,
- blast impact,
- dynamic response,
- failure mode,
- numerical analysis

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References(19)

References

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