Sažetak
U radu je opisano numeričko modelovanje udarnih oštećenja koja nastaju pri udaru projektila o metalne strukture. Prikazani su i eksperimentalni rezultati udara projektila različitih oblika vrhova o metalne strukture. Eksperimenti su sprovedeni udarom projektila o metalne prepreke od čelika i aluminijuma različitih debljina sa promenom brzine udara projektila. Kako bi efekti eksperimentalnih simulacija udara bili što približniji stvarnom, brzine udara projektila su varirane, tako da odgovaraju prosečnim i graničnim brzinama udara projektila pri kojima dolazi do probijanja prepreke. Dobijeni eksperimentalni rezultati su se podudarili sa sprovedenim realnim dejstvom na metalne prepreke i sličnim ispitivanjima prikazanim u stranoj literaturi.
Ključne reči
Array
Array
Array
Array
Array
Array
Array
Array
Array
Array
Array
Array
Array
Array
Array
Array
Array
Array
Array
Array
Array
Reference
Anderson, C.E., 1987. An overview of the theory of hydrocodes. International Journal of Impact Engineering, 5(1-4), pp.33-59. Available at: https://doi.org/10.1016/0734-743X(87)90029-7.
Anderson, C.E., Cox, P.A., Johnson, G.R. & Maudlin, P.J., 1994. A constitutive formulation for anisotropic materials suitable for wave propagation computer programs—II. Computational Mechanics, 15(3), pp.201-223. Available at: https://doi.org/10.1007/BF00375030.
Anderson, T.A., 2005. An investigation of SDOF models for large mass impact on sandwich composites. Composites Part B: Engineering, 36(2), pp.135-142. Available at: https://doi.org/10.1016/j.compositesb.2004.05.002.
Backman, M.E. & Goldsmith, W., 1978. The mechanics of penetration of projectiles into targets. International Journal of Engineering Science, 16(1), pp.1-99. Available at: https://doi.org/10.1016/0020-7225(78)90002-2.
Borvik, T., Hopperstad, O.S., Langseth, M. & Malo, K.A., 2003. Effect of target thickness in blunt projectile penetration of Weldox 460 E steel plates. International Journal of Impact Engineering, 28(4), pp.413-464. Available at: https://doi.org/10.1016/S0734-743X(02)00072-6.
Borvik, T., Clausen, A.H., Hopperstad, O.S. & Langseth, M., 2004. Perforation of AA5083-H116 aluminium plates with conical-nose steel projectiles: Experimental study. International Journal of Impact Engineering, 30(4), pp.367-384. Available at: https://doi.org/10.1016/S0734-743X(03)00072-1.
Clausen, A.H., Borvik, T., Hopperstad, O.S. & Benallal, A., 2004. Flow and fracture characteristics of aluminium alloy AA5083-H116 as function of strain rate, temperature and triaxiality. Materials Science and Engineering, 364(1-2), pp.260-272. Available at: https://doi.org/10.1016/j.msea.2003.08.027.
Dey, S., 2004. High-strength steel plates subjected to projectile impact: An experimental and numerical study, Ph.D. thesis, Norwegian University of Science and Technology, ISBN 82-471-6282-2.
Gingold, R.A. & Monaghan, J.J., 1977. Smoothed particle hydrodynamics: Theory and application to nonspherical stars. Monthly Notices of the Royal Astronomical Society, 181(3), pp.375-389. Available at: https://doi.org/10.1093/mnras/181.3.375.
Johnson, G.R. & Cook, W.H., 1985. Fracture characteristics of three metals subjected to various strains, strain rates, temperatures and pressures. Engineering Fracture Mechanics, 21(1), pp.31-48. Available at: https://doi.org/10.1016/0013-7944(85)90052-9.
Lee, M. & Yoo, Y.H., 2001. Analysis of ceramic/metal armour system. International Journal of Impact Engineering, 25(9), pp.819-829. Available at: https://doi.org/10.1016/S0734-743X(01)00025-2.
Lucy, L.B., 1977. A numerical approach to the testing of the fission hypothesis. Astronomical Journal, 82, pp.1013-1024. Available at: https://doi.org/10.1086/112164.
Ravid, M. & Bodner, S.R., 1983. Dynamic perforation of viscoplastic plates by rigid projectiles. International Journal of Engineering Science, 21(6), pp.577-591. Available at: https://doi.org/10.1016/0020-7225(83)90105-2.
Rosenberg, Z. & Tsaliah, J., 1990. Applying Tate's model for the interaction of long rod projectiles with ceramic targets. International Journal of Impact Engineering, 9(2), pp.247-251. Available at: https://doi.org/10.1016/0734-743X(90)90016-O.
Rosenberg, Z. & Yeshurun, Y., 1988. The relation between ballistic efficiency andcompressive strength of ceramic tiles. International Journal of Impact Engineering, 7(3), pp.357-362. Available at: https://doi.org/10.1016/0734-743X(88)90035-8.
Spasić, D., 2015. Modelovanje udarnih oštećenja vazduhoplovnih struktura, Ph.D. thesis, University in Belgrade: Faculty of Mechanical Engineering (in Serbian).
Taylor, G.I., 1948. The formation and enlargement of a circular hole in a thin plastic sheet. Quarterly Journal of Mechanics and Applied Mathematics, 1(1), pp.103–124. Available at: https://doi.org/10.1093/qjmam/1.1.103.
Vojnotehnički glasnik omogućava otvoreni pristup i, u skladu sa preporukom CEON-a, primenjuje Creative Commons odredbe o autorskim pravima:
Autori koji objavljuju u Vojnotehničkom glasniku pristaju na sledeće uslove:
- Autori zadržavaju autorska prava i pružaju časopisu pravo prvog objavljivanja rada i licenciraju ga Creative Commons licencom koja omogućava drugima da dele rad uz uslov navođenja autorstva i izvornog objavljivanja u ovom časopisu.
- Autori mogu izraditi zasebne, ugovorne aranžmane za neekskluzivnu distribuciju rada objavljenog u časopisu (npr. postavljanje u institucionalni repozitorijum ili objavljivanje u knjizi), uz navođenje da je rad izvorno objavljen u ovom časopisu.
- Autorima je dozvoljeno i podstiču se da postave objavljeni rad onlajn (npr. u institucionalnom repozitorijumu ili na svojim internet stranicama) pre i tokom postupka prijave priloga, s obzirom da takav postupak može voditi produktivnoj razmeni ideja i ranijoj i većoj citiranosti objavljenog rada (up. Efekat otvorenog pristupa).