Deformation of Plates with Pre-formed Holes under Internal Blast Loading in Cabin Model

ZHAO Pengduo; WANG Qing; ZHANG Lei; ZHANG Peng; HUANG Song; XU Yuxin

doi:10.11858/gywlxb.20180531

Volume 32 Issue 6

Dec 2018

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Chinese Journal of High Pressure Physics > 2018 > 32(6): 065110.

ZHAO Pengduo, WANG Qing, ZHANG Lei, ZHANG Peng, HUANG Song, XU Yuxin. Deformation of Plates with Pre-formed Holes under Internal Blast Loading in Cabin Model[J]. Chinese Journal of High Pressure Physics, 2018, 32(6): 065110. doi: 10.11858/gywlxb.20180531

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ZHAO Pengduo, WANG Qing, ZHANG Lei, ZHANG Peng, HUANG Song, XU Yuxin. Deformation of Plates with Pre-formed Holes under Internal Blast Loading in Cabin Model[J]. Chinese Journal of High Pressure Physics, 2018, 32(6): 065110. doi: 10.11858/gywlxb.20180531

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Deformation of Plates with Pre-formed Holes under Internal Blast Loading in Cabin Model

doi: 10.11858/gywlxb.20180531

ZHAO Pengduo^1
,,
WANG Qing^{1, 2},
ZHANG Lei¹,
ZHANG Peng^{1, 2},
HUANG Song^{1, 2},
XU Yuxin³

1.
Naval Research Academy, Beijing 100161, China
2.
College of Mechatronic Engineering, North University of China, Taiyuan 030051, China
3.
State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China

Received Date: 28 Mar 2018
Rev Recd Date: 10 Apr 2018

Abstract

Abstract

In order to investigate the dynamic response of plates with preformed holes under internal blast load in the cabin model, the deformations of the plates with offset preformed holes and the plates with uniform preformed holes in the cabin model were experimentally investigated.The results are also compared with that of the plates with non-preformed holes.The numerical calculation of the internal blast load was carried out by using established simulation model of cabin.The distribution of internal blast shock waves at typical gauge points was analyzed and the deformation rules of plates with preformed holes were studied as well.The research results indicate that the effect of gain of deflection deformation obtained from decreasing local strength due to the preformed holes is greater than that of the blast venting.The shock wave exhibits the reflection and convergence phenomena inside the cabin model and a quasi-static feature during the late stage of milliseconds.The simulation results are consistent with the experimental ones.At the same time, there are differences between the thinning rates in different areas of the plates with preformed holes.The current research can provide reference for the analysis of the mechanism of coupling damage between shock wave and fragments in the cabin.
- cabin model,
- plates with pre-formed holes,
- internal blast shock waves,
- gain of deflection,
- thinning rate

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References

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Deformation of Plates with Pre-formed Holes under Internal Blast Loading in Cabin Model

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