Failure mode of clamped air-back circular panel subjected to underwater shock loading

Ren Peng; Tian Ali; Zhang Wei; Huang Wei

doi:10.11883/1001-1455(2016)05-0617-08

Volume 36 Issue 5

Oct. 2018

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Ren Peng, Tian Ali, Zhang Wei, Huang Wei. Failure mode of clamped air-back circular panel subjected to underwater shock loading[J]. Explosion And Shock Waves, 2016, 36(5): 617-624. doi: 10.11883/1001-1455(2016)05-0617-08

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Ren Peng, Tian Ali, Zhang Wei, Huang Wei. Failure mode of clamped air-back circular panel subjected to underwater shock loading[J]. Explosion And Shock Waves, 2016, 36(5): 617-624. doi: 10.11883/1001-1455(2016)05-0617-08

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Failure mode of clamped air-back circular panel subjected to underwater shock loading

doi: 10.11883/1001-1455(2016)05-0617-08

1.
School of Naval Architecture & Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang 212000, China
2.
Hypervelocity Impact Research Center, Harbin Institute of Technology, Harbin 150080, China

Received Date: 2014-11-10
Rev Recd Date: 2014-12-30
Publish Date: 2016-09-25

Abstract

Abstract

In this paper, the dynamic deformation and failure mode of 5A06 aluminum alloy clamped air-backed circular panels with two different thicknesses subjected to underwater shock loading were investigated using the non-explosive underwater shock loading device in combination with high-speed photography. The dynamic response history of the target panels was observed with more information about their failure modes obtained, and three modes of deformation and failure were identified, i. e. Mode Ⅰ (large plastic deformation), Mode Ⅱ (tensile tearing) and Mode Ⅲ (shear-off failure). According to the experimental results, the performance of four kinds of failure criteria (i. e. shock wave pressure, impulsive factor, damage parameter, and response parameter) on predicting the failure modes of the target panels was compared and analyzed. The experimental results showed that the damage and failure of underwater structures can be more comprehensively judged by taking account of the damage parameter and the response parameter of the target.
- solid mechanics,
- underwater shock wave loading,
- air-back circular panel,
- dynamic damage,
- failure criterion

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References(14)

References

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