Numerical simulation on dynamic split of a rock Brazilian disc using the manifold method

QIAN Ying; YANG Jun; WANG Bing-chen

doi:10.11883/1001-1455(2009)01-0023-06

Volume 29 Issue 1

Sep. 2014

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Article Navigation > Explosion And Shock Waves > 2009 > 29(1): 23-28

LI Xiaocheng, XU Fei, YANG Leifeng, WANG Shuai, LIU Xiaochuan, XI Xulong, LIU Jijun. Study on the similarity of elasticity and ideal plasticity response of thin plate under impact loading[J]. Explosion And Shock Waves, 2021, 41(11): 113103. doi: 10.11883/bzycj-2020-0374

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QIAN Ying, YANG Jun, WANG Bing-chen. Numerical simulation on dynamic split of a rock Brazilian disc using the manifold method[J]. Explosion And Shock Waves, 2009, 29(1): 23-28. doi: 10.11883/1001-1455(2009)01-0023-06

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Numerical simulation on dynamic split of a rock Brazilian disc using the manifold method

doi: 10.11883/1001-1455(2009)01-0023-06

1.
Institute of Computational Mathematics and Scientific Engineering Computing, Academy of Mathematics and System Sciences, Chinese Academy of Sciences, Beijing 100190, China;
2.
State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China

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Corresponding author: QIAN Ying
Publish Date: 2009-01-25

Abstract

Abstract

The second-order manifold method was used to simulate the dynamic tension split process of a flattened rock Brazilian disc subjected to shock loading through introducing a criteria for crack initiation and crack growth. The split process caused by a reflected tension stress wave was reproduced. The simulated phenomena are in good agreement with the experimental results. The dynamic equilibrium stress distribution also agrees with the calculated results by the finite element method. Researched results show that the manifold method is effective for the simulation of the dynamic failure process under shock loading.
- mechanics of explosion,
- process of dynamic split,
- manifold method,
- flattened Brazilian disc,
- shock loading,
- numerical simulation

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