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Indoor propagation and assessment of blast waves from weapons using the alternative image theory

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Abstract

Blast waves generated from the muzzles of various weapons might have significant effects on the human body, and these effects are recognized as being more severe when weapons are fired indoors. The risk can be assessed by various criteria, such as waveform, exposed energy, and model-based types. This study introduces a prediction model of blast wave propagation for estimating waveform parameters related to damage risk assessment. To simulate indoor multiple reflections in a simple way, the model is based on the alternative image theory and discrete wavefront method. The alternative theory is a kind of modified image theory, but it uses the image space concept from a receiver’s perspective, so that it shows improved efficiency for indoor problems. Further, the discrete wavefront method interprets wave propagation as the forward movement of a finite number of wavefronts. Even though the predicted results show slight differences from the measured data, the locations of significant shock waves indicate a high degree of correlation between them. Since the disagreement results not from the proposed techniques but from the assumptions used, it is concluded that the model is appropriate for analysis of blast wave propagation in interior spaces.

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Acknowledgments

This work was supported by the Human Resources Development program (No. 20124030200030) of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Trade, Industry and Energy. In addition, this research was also supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2013R1A1A2011462).

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Authors and Affiliations

  1. Seoul National University, Seoul, 151-742, Korea

    S. Lee

  2. LG Electronics, Seoul, 153-802, Korea

    B. Kong

  3. Samsung Electro-Mechanics, Suwon, Gyeonggi-do, 443-743, Korea

    K. Lee

  4. Korea Research Institute of Standards and Science, Daejeon, 305-340, Korea

    S. Jung

  5. Agency for Defense Development, Daejeon, 305-600, Korea

    K. H. Song

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  1. B. Kong
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  2. K. Lee
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  4. S. Jung
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Correspondence to S. Lee.

Additional information

Communicated by K. Kontis and A. Higgins.

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Kong, B., Lee, K., Lee, S. et al. Indoor propagation and assessment of blast waves from weapons using the alternative image theory. Shock Waves 26, 75–85 (2016). https://doi.org/10.1007/s00193-015-0581-4

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  • DOI: https://doi.org/10.1007/s00193-015-0581-4

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