A theoretical model for the evaluation of protective capability of a sandwich bulkhead structure in the close range of warhead explosion

LI Dian; HOU Hailiang; ZHU Xi; CHEN Changhai; LI Mao

doi:10.11883/bzycj-2017-0351

Volume 39 Issue 2

Feb. 2019

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LI Dian, HOU Hailiang, ZHU Xi, CHEN Changhai, LI Mao. A theoretical model for the evaluation of protective capability of a sandwich bulkhead structure in the close range of warhead explosion[J]. Explosion And Shock Waves, 2019, 39(2): 022201. doi: 10.11883/bzycj-2017-0351

Citation:

LI Dian, HOU Hailiang, ZHU Xi, CHEN Changhai, LI Mao. A theoretical model for the evaluation of protective capability of a sandwich bulkhead structure in the close range of warhead explosion[J]. Explosion And Shock Waves, 2019, 39(2): 022201. doi: 10.11883/bzycj-2017-0351

Citation:

LI Dian, HOU Hailiang, ZHU Xi, CHEN Changhai, LI Mao. A theoretical model for the evaluation of protective capability of a sandwich bulkhead structure in the close range of warhead explosion[J]. Explosion And Shock Waves, 2019, 39(2): 022201. doi: 10.11883/bzycj-2017-0351

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A theoretical model for the evaluation of protective capability of a sandwich bulkhead structure in the close range of warhead explosion

doi: 10.11883/bzycj-2017-0351

College of Naval Archinecture and Ocean Engineering, Naval University of Engineering, Wuhan 430033, Hubei, China

Received Date: 2017-09-28
Rev Recd Date: 2017-10-26
Publish Date: 2019-02-05

Abstract

Abstract

In order to make up for the shortcomings in protective structure design based on simple anti-blast or anti-armor load, a theoretical model was proposed for evaluating the protective capability of sandwich bulkhead in the close range of a warhead explosion, and its protection capability should meet the requirements of both the ballistic performance and the overall deformation and destruction. The first step is to calculate the combined damage load under warhead explosion. Then, based on the ballistic theory model, it can be used to evaluate whether the composite structure meets the requirements of the ballistic resistance. If it is satisfied, the requirements of composite sandwich bulkhead on overall deformation and failure under the combined load of shock wave and fragment group are further checked according to the combined damage theory model, and the criterion is whether the rear panel is broken or being torn. The experimental results are in good agreement with those of the domestic experimental results, which shows that the theoretical evaluation model is reasonable.
- combined damage load,
- sandwich composite protective structure,
- anti-penetration capability,
- overall deformation damage

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References(26)

References

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