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http://yadda.icm.edu.pl:443/baztech/element/bwmeta1.element.baztech-article-BUJ5-0033-0100

Czasopismo

Journal of KONES

Tytuł artykułu

Numerical study of the shape effect in the ceramic based ballistic panels

Autorzy Morka, A.  Jackowska, B.  Niezgoda, T. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
Abstrakty
EN The numerical investigations have been performed to determine the front surface shape effect in the cer based armour systems. Different shapes of ceramic elements were analyzed, including hemispheres and pyramids with respect to standard flat tiles. The influence of the impact point location was also under considerations. The Computer simulations were performed with the Element Free Galerkin Method (EFG) implemented in LS-D code. An impact of the 14.5xll8mm B32 armour piercing projectile on the A12O3 different shape elements backe 7017 aluminium alloy plate was analyzed. Full 3D models of the projectile and targets were developed with strain, rate and temperature dependent material constitutive relations. The models of the projectile, ceramic and aluminium alloy targets were validated with utilization of the experimental data found in literature. The obtained results confirm, the preliminary presumptions, that the shape of the front surface can significant role in the overall ballistic resistance of the panel. Particularly projectile-target initial contact area st to be important factor as showed by impact point location analysis. The conclusions presented in this paper can be applied to develop modern impact protection panels where the appropriate balance between the mass and protection level must be accomplished.
Słowa kluczowe
EN computational mechanics   impact problem   armour perforation   ballistic resistance   ceramic armour  
Wydawca Łukasiewicz Research Network - Institute of Aviation
European Science Society of Powertrain and Transport KONES Poland
Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
Czasopismo Journal of KONES
Rocznik 2009
Tom Vol. 16, No. 4
Strony 539--548
Opis fizyczny Bibliogr. 10 poz., rys.
Twórcy
autor Morka, A.
autor Jackowska, B.
autor Niezgoda, T.
  • Military University of Technology Gen. S. Kaliskiego St. 2, 00-908 Warsaw, Poland tel: +48 22 6837610, fax: +48 22 683 9355, amorka@wat.edu.pl
Bibliografia
[1] Belytschko, T., Lu, Y. Y., Gu., L., Element free Galerkin methods, International Journal for Numerical Methods in Engineering, pp.229-256, 1994.
[2] Hallquist, J. O., LS-DYNA Theory Manual, Livermore Software Technology Corporation (LSTC), 2006.
[3] Holmquist, T. J., Templeton, D. W., Bishnoi, K. D., Constitutive modeling of aluminium nitride for large strain, high-strain rate, and high - pressure applications, International Journal of Impact Engineering, Vol. 25, pp. 211-231, Minneapolis 2001.
[4] Jaśkowiec, J., Integracja metody elementów skończonych z bezelementową metodą Galerkina, Proceedings of the XIII Scientific conference on numerical methods, Korbielów 2001.
[5] Kambur, C., Assessment of Mesh-free Methods in LS-DYNA: Modeling of Barriers in Crash Simulation, Master of Science Thesis, Institute for Structural Mechanics, Stuttgart 2004.
[6] Lee, M., Yoo, Y. H., Analysis of ceramic/metal armour systems, International Journal of Impact Engineering, Vol. 25, pp. 819-829, Seoul 2001.
[7] LS-DYNA Keyword User’s Manual, Version 971, Livermore Software Technology Corporation (LSTC), 2007.
[8] Madhua, V., Ramanjaneyulua, K., Bhata, T. B., Gupta, N. K., An experimental study of penetration resistance of ceramic armour subjected to projectile impact, International Journal of Impact Engineering 32, pp. 337-350, 2005.
[9] Park, M., Yoo, J., Chung, D. T., An optimization of a multi-layered plate under ballistic impact, International Journal of Solids and Structures, Vol. 42, pp. 123-137, Seoul 2004.
[10] Wiśniewski, A., Pancerze budowa, projektowanie i badanie, Wydawnictwo Naukowo-Techniczne, Warszawa 2001.
Kolekcja BazTech
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