Numerical simulation of influence of constrained layer on expanding deformation of metal cylindrical shell

Ren Guowu; Wen Shangjie; Zhang Ru; Guo Zhaoliang; Tang Tiegang

doi:10.11883/1001-1455(2017)06-0946-06

Volume 37 Issue 6

Sep. 2017

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CHEN Xiao-wei, LI Wei, SONG Cheng. Oblique penetration/perforation of metallic plates by rigid projectiles with slender bodies and sharp noses[J]. Explosion And Shock Waves, 2005, 25(5): 393-399. doi: 10.11883/1001-1455(2005)05-0393-07

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Ren Guowu, Wen Shangjie, Zhang Ru, Guo Zhaoliang, Tang Tiegang. Numerical simulation of influence of constrained layer on expanding deformation of metal cylindrical shell[J]. Explosion And Shock Waves, 2017, 37(6): 946-951. doi: 10.11883/1001-1455(2017)06-0946-06

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Numerical simulation of influence of constrained layer on expanding deformation of metal cylindrical shell

doi: 10.11883/1001-1455(2017)06-0946-06

Institute of Fluid Physics, China Academy of Engineering Physics,Mianyang 621999, Sichuan, China

Received Date: 2016-04-27
Rev Recd Date: 2017-01-22
Publish Date: 2017-11-25

Abstract

Abstract

In this work we investigated the influence of the constrained layer, composed of metal aluminum and polyurethane foam, on the expanding deformation of a metal cylindrical shell using numerical simulation, obtained the velocity and displacement profiles for 45 steel and aluminum affected by shock wave, and compared its simulated dynamic behaviors under the influence with those from the corresponding experiments performed using a high-speed framing camera and medium-energy X-ray photography and found them in good agreement. The findings obtained here provide a quantitative understanding of the constrained layer in terms of its influence on the expanding deformation of the metal cylindrical shell subjected to the high explosive loading.
- cylindrical shell,
- constrained layer,
- expanding deformation,
- X-ray

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References

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