Numerical simulation of damage of brick wall subjected to blast shock vibration

Li Li-sha; Du Jian-guo; Zhang Hong-hai; Xie Qing-liang

doi:10.11883/1001-1455(2015)04-0459-08

Volume 35 Issue 4

Jun. 2016

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Li Li-sha, Du Jian-guo, Zhang Hong-hai, Xie Qing-liang. Numerical simulation of damage of brick wall subjected to blast shock vibration[J]. Explosion And Shock Waves, 2015, 35(4): 459-466. doi: 10.11883/1001-1455(2015)04-0459-08

Citation:

Li Li-sha, Du Jian-guo, Zhang Hong-hai, Xie Qing-liang. Numerical simulation of damage of brick wall subjected to blast shock vibration[J]. Explosion And Shock Waves, 2015, 35(4): 459-466. doi: 10.11883/1001-1455(2015)04-0459-08

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Numerical simulation of damage of brick wall subjected to blast shock vibration

doi: 10.11883/1001-1455(2015)04-0459-08

The Third Engineer Scientific Research Institute of the Headquarters of the General Staff, Luoyang 471023, Henan, China

Received Date: 2013-12-17
Rev Recd Date: 2014-03-22
Publish Date: 2015-08-10

Abstract

Abstract

The dynamic response of brick wall under blast shock vibration is very complex. it is difficult to establish its constitutive relation accurately. Several common finite-element methods to simulate brick wall were presented and merits and drawbacks of these method were analyzed. A three-dimensional finite-element model is applied in which the bricks and mortar are considered separatedly. LS-DYNA software is used to simulate the failure process of brick wall under horizontal blast shock vibration and the results were agreed well with the experiment. The research indicates that the analytical model considers the complex interaction of brick and mortar integratedly and the mortar layer is modeled separately which ensured the validity and correctness of the numerical simulation, so the accumulative damage of the mortar layer between the bricks in the experiment could be simulated accurately.
- mechanics of explosion,
- blast shock vibration,
- separate common node model,
- LS-DYNA,
- numerical simulation,
- brick wall

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References(11)

References

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