Dynamic buckling of the cylindrical shell impacted by large mass with low velocity

Lu Guo-yun; Duan Chen-hao; Lei Jian-ping; Han Zhi-jun; Zhang Shan-yuan

doi:10.11883/1001-1455(2015)02-0171-06

Volume 35 Issue 2

Mar. 2015

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Lu Guo-yun, Duan Chen-hao, Lei Jian-ping, Han Zhi-jun, Zhang Shan-yuan. Dynamic buckling of the cylindrical shell impacted by large mass with low velocity[J]. Explosion And Shock Waves, 2015, 35(2): 171-176. doi: 10.11883/1001-1455(2015)02-0171-06

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Dynamic buckling of the cylindrical shell impacted by large mass with low velocity

doi: 10.11883/1001-1455(2015)02-0171-06

Shanxi Key Laboratory of Material Strength and Structure Impact, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China

Received Date: 2013-09-05
Rev Recd Date: 2013-12-11
Publish Date: 2015-03-25

Abstract

Abstract

The experimental investigations on dynamic buckling of brass and steel cylindrical shell under axial impact were carried out using drop hammer as loading apparatus. Multiple buckling models are observed and the time histories of impact force were recorded. The experimental results show that the steel cylindrical shell buckled progressively and the brass cylindrical shell occur dynamic plastic buckling (the entire length of a cylindrical shell wrinkles before the development of large radial displacements) when they subjected impact from a mass in relatively low velocity. These results confirm that the dynamic plastic buckling does not necessarily require high impact velocity. This conclusion conflicts with the established perception that the high impact velocity is a necessary condition for dynamic plastic buckling.
- solid mechanics,
- dynamic progressive buckling,
- drop hammer,
- cylindrical shell,
- dynamic plastic buckling

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References(19)

References

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