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Computation 2017, 5(3), 41; doi:10.3390/computation5030041

Modified Equation of Shock Wave Parameters

Department of Architectural Engineering, Inha University, Incheon 22212, Korea
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Author to whom correspondence should be addressed.
Received: 11 August 2017 / Revised: 11 September 2017 / Accepted: 16 September 2017 / Published: 18 September 2017
(This article belongs to the Section Computational Engineering)
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Abstract

Among the various blast load equations, the Kingery-Bulmash equation is applicable to both a free-air burst and a surface burst that enables calculations of the parameters of a pressure-time history curve. On the other hand, this equation is quite complicated. This paper proposes a modified equation that may replace the conventional Kingery-Bulmash equation. The proposed modified equation, which was constructed by performing curve-fitting of this equation, requires a brief calculation process with a simpler equation compared to the original equation. The modified equation is also applicable to both types of bursts and has the same calculable scaled distance range as the conventional equation. The calculation results obtained using the modified equation were similar to the results obtained from the original equation with a less than 1% difference. View Full-Text
Keywords: blast load; shock wave parameter; Kingery-Bulmash equation; modified equation blast load; shock wave parameter; Kingery-Bulmash equation; modified equation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Jeon, D.; Kim, K.; Han, S. Modified Equation of Shock Wave Parameters. Computation 2017, 5, 41.

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