Abstract
A new engineering tool for the assessment of impact of small calibre projectiles on concrete targets has been developed. As the experimental data of small calibre impact scatters noticeably, the inclusion of a model that describes the scattering of the results was needed. This is of special interest for the assessment of the safety, the remaining risk and an economical dimensioning of concrete walls. The threat level of ordinary small calibre munition is often overestimated, because the deformation of the projectiles is usually neglected. Hence, two models for deformable projectiles were developed and implemented. One model is for full jacketed projectiles and deduced from experimental data, the second model is for homogenous projectiles and is based on the analysis of data generated by numerical simulations. The key results of the research during the last years and the functionality of the tool are described in this article.
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Acknowledgements
The authors would like to express their gratitude toMr. Dipl.-Ing. Landmann of the Wehrtechnische Dienststelle 52 (WTD52) and OTL Heckersbruch of the Streitkräfteamt (SKA) for the support, the technical discussions, and the financing of the project. Furthermore, the authors appreciate the help of Prof. J. Höcherl (University of the Federal Armed Forces) providing experimental data and contributing to the numerous fruitful discussions.
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Gebbeken, N., Linse, T., Hartmann, T., Teich, M., Pietzsch, A. (2009). Dimensioning of concrete walls against small calibre impact including models for deformable penetrators and the scattering of experimental results. In: Hiermaier, S. (eds) Predictive Modeling of Dynamic Processes. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-0727-1_12
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DOI: https://doi.org/10.1007/978-1-4419-0727-1_12
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