Design analysis of expanding gap-ring test for studying evolvement of damage

TANG Tie-gang; LI Qing-zhong; LIU Cang-li

doi:10.11883/1001-1455(2009)06-0561-05

Volume 29 Issue 6

Sep. 2014

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Article Navigation > Explosion And Shock Waves > 2009 > 29(6): 561-565

ChuWen-hua, SunLong-quan, YaoXiong-liang, TianZhao-li. ResearchonimpactcharacteristicsofexplosiveboltsusingSPH method[J]. Explosion And Shock Waves, 2013, 33(3): 249-254. doi: 10.11883/1001-1455(2013)03-0249-06

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TANG Tie-gang, LI Qing-zhong, LIU Cang-li. Design analysis of expanding gap-ring test for studying evolvement of damage[J]. Explosion And Shock Waves, 2009, 29(6): 561-565. doi: 10.11883/1001-1455(2009)06-0561-05

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Design analysis of expanding gap-ring test for studying evolvement of damage

doi: 10.11883/1001-1455(2009)06-0561-05

1.
National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China

Publish Date: 2009-11-25

Abstract

Abstract

The expanding gap-ring test was put forward and designed for studying the evolvement of damage in material under impact tensile. The impact tensile process of an expanding gap ring was studied by numerical simulation. The length of loading time for different positions in the gap ring is relative to the distances of these positions from the gap. However, the length of time cant be calculated by Mott-wave transmitting, but can be determined by the velocity histories of nodes in different positions of the gap ring.
- solid mechanics,
- impact tensile,
- expanding gap ring,
- relief wave

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