Experiment and numerical simulation on expansion deformation and fracture of cylindrical shell

Ren Guo-wu; Guo Zhao-liang; Zhang Shi-wen; Tang Tie-gang; Jin Shan; Hu Hai-bo

doi:10.11883/1001-1455(2015)06-0895-06

Volume 35 Issue 6

Nov. 2015

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Article Navigation > Explosion And Shock Waves > 2015 > 35(6): 895-900

Ren Guo-wu, Guo Zhao-liang, Zhang Shi-wen, Tang Tie-gang, Jin Shan, Hu Hai-bo. Experiment and numerical simulation on expansion deformation and fracture of cylindrical shell[J]. Explosion And Shock Waves, 2015, 35(6): 895-900. doi: 10.11883/1001-1455(2015)06-0895-06

Citation:

Ren Guo-wu, Guo Zhao-liang, Zhang Shi-wen, Tang Tie-gang, Jin Shan, Hu Hai-bo. Experiment and numerical simulation on expansion deformation and fracture of cylindrical shell[J]. Explosion And Shock Waves, 2015, 35(6): 895-900. doi: 10.11883/1001-1455(2015)06-0895-06

Citation:

Ren Guo-wu, Guo Zhao-liang, Zhang Shi-wen, Tang Tie-gang, Jin Shan, Hu Hai-bo. Experiment and numerical simulation on expansion deformation and fracture of cylindrical shell[J]. Explosion And Shock Waves, 2015, 35(6): 895-900. doi: 10.11883/1001-1455(2015)06-0895-06

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Experiment and numerical simulation on expansion deformation and fracture of cylindrical shell

doi: 10.11883/1001-1455(2015)06-0895-06

1.
Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China
2.
China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

Received Date: 2013-09-12
Rev Recd Date: 2015-02-10
Publish Date: 2015-12-10

Abstract

Abstract

Relying on the explosively driven setting of one-end detonator initiation and using the Doppler velocimetry and high-speed framing camera, we diagnosed the expansion and fracture process of the cylindrical shell. The results obtained from our experiment provide the velocity-time history of the shell surface and its dynamic snapshots referring to expansion deformation, crack initiation and propagation, and explosion product leakage. The results from the SPH simulation are in reasonably good agreement with the experimental findings. Systemic analysis of experiments and simulations determine incident angle of shock wave for cylindrical shell, releasing angle of explosion wave, velocity and pressure profile of internal wall and deformed strain, fracture process of cylindrical shell.
- solid mechanics,
- fracture,
- DPS,
- SPH,
- cylindrical shell,
- velocity profile

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References(16)

References

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