A Study of Blast Phenomenon due to an Explosion of TNT Encapsulated by Steel Casing Shell: Experimental and Numerical Analyses Using LS-DYNA

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ISSN: 2278-0149 (Online)
Short Title: Int. J. Mech. Eng. Robot. Res.
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Home > Articles > All Issues > 2019 > Volume 8, No. 2, March 2019 >

Gunaryo, M. Rafiqi Sitompul, and Bambang K. Hadi

Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Bandung, Indonesia

Abstract—The increasing threat of a blast explosion from high explosive devices, such as trinitro-toluene (TNT) encapsulated by a steel casing shell, makes the study of the blast phenomenon more important. In this paper, a study of the blast phenomenon due to TNT was studied. Both experimental and numerical analyses were done. The explosive system comprises 80 kg of TNT encapsulated by a steel casing shell, with the total weight of the device being 250 kg. Experimental results showed that the blast velocity was found to be 827 m/s, while the shrapnel velocity was 802 m/s. Numerical analysis using LS-DYNA simulated the explosion sequences in detail and predicted the maximum velocity of the shrapnel.

Index Terms—blast explosion, TNT, steel casing shell, LS-DYNA

Cite: Gunaryo, M. Rafiqi Sitompul, and Bambang K. Hadi, "A Study of Blast Phenomenon due to an Explosion of TNT Encapsulated by Steel Casing Shell: Experimental and Numerical Analyses Using LS-DYNA," International Journal of Mechanical Engineering and Robotics Research, Vol. 8, No. 2, pp. 202-206, March 2019. DOI: 10.18178/ijmerr.8.2.202-206