Influence of Blast Wave on Behavior of Steel Plate

Yo Han Yoo; Young Sik Choi; Joon Won Lee

doi:10.4028/www.scientific.net/AMM.619.28

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 619Influence of Blast Wave on Behavior of Steel Plate

Influence of Blast Wave on Behavior of Steel Plate

Abstract:

The threat of terrorism has led to increased awareness about protecting properties from damage in terrorist attacks. With the rapid growth of the computer industry and progress in the field of finite-element analysis, evaluations of conventional weapons focus more on simulations than on experiments. There are many approaches to simulate blast and impact. These include Eulerian, Lagrangian, multi-material arbitrary Lagrangian-Eulerian (MM-ALE), and the meshless approach of smooth particle hydrodynamics (SPH) methods. Each method has distinct advantages. In this study, finite-element analysis was applied to simulate a 1 kg trinitrotoluene (TNT) blast in front of a 20-mm-thick steel plate. Three different approaches were simulated: Eulerian, MM-ALE, and SPH. Each method gave different results for the von Mises stress distribution, peak pressure, and displacement of the steel plate. A comparison of the three results implies that using one of these three approaches may generate a significant blast simulation.

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Periodical:

Applied Mechanics and Materials (Volume 619)

Pages:

28-32

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.619.28

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Online since:

August 2014

Authors:

Yo Han Yoo, Young Sik Choi*, Joon Won Lee

Keywords:

ALE, Blast Wave, FEA, LBE, SPH

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References

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