Dynamic Response of Polyurea Coated Steel Plate under Blast Loading

WANG Dianxi; GUO Xianghua; ZHANG Qingming

doi:10.11858/gywlxb.20180650

Volume 33 Issue 2

Apr 2019

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Chinese Journal of High Pressure Physics > 2019 > 33(2): 024103.

WANG Dianxi, GUO Xianghua, ZHANG Qingming. Dynamic Response of Polyurea Coated Steel Plate under Blast Loading[J]. Chinese Journal of High Pressure Physics, 2019, 33(2): 024103. doi: 10.11858/gywlxb.20180650

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WANG Dianxi, GUO Xianghua, ZHANG Qingming. Dynamic Response of Polyurea Coated Steel Plate under Blast Loading[J]. Chinese Journal of High Pressure Physics, 2019, 33(2): 024103. doi: 10.11858/gywlxb.20180650

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Dynamic Response of Polyurea Coated Steel Plate under Blast Loading

doi: 10.11858/gywlxb.20180650

School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China

Received Date: 15 Oct 2018
Rev Recd Date: 02 Dec 2018

Abstract

Abstract

The dynamic response of the equivalent areal density polyurea-coated steel plate and a single steel plate under air blast loads is simulated by using the finite element software LS-DYNA after the validity of this method is demonstrated. The influence of polyurea coating position on its antiknock ability is analyzed; Besides, the method of dimension analysis is employed to study the response of the distance between explosive and steel plate, spherical charge’s quality, and the polyurea layer thickness on the deformation of steel plates based on the prior study. The results show that the position of polyurea coated on steel plate affects its antiknock performance. When other variables are assumed to be constant, the maximum displacement of the center of the steel plate exponentially decreased with the increase of the distance between the distance between explosive and steel plate; Moreover, when the quality of the explosive is changed, the maximum displacement of the steel plate increases linearly with the increase of the explosive mass; Also, when the thickness of the coated polyurea is changed, the maximum displacement of the steel sheet decreases linearly with the increase of the thickness of the coating.
- polyurea coated steel plate,
- dimensional analysis,
- displacement,
- blast load,
- antiknock ability

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References

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Dynamic Response of Polyurea Coated Steel Plate under Blast Loading

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