NDLI: Numerical Analysis of a Shell with a Main Shaped Charge Warhead Stroke into a Bar Armour with Square Section

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Numerical Analysis of a Shell with a Main Shaped Charge Warhead Stroke into a Bar Armour with Square Section

Content Provider	Semantic Scholar
Author	Niezgoda, Tadeusz Panowicz, Robert Sybilski, Kamil Barnat, W.
Copyright Year	2010
Abstract	Recent operations of Polish troops within the framework of peacemaking missions’ uncovered weak points of the equipment used there. It turned out t hat one of the mo st significant threats is a shell equipped with a main shaped charge warhead used by partisan detachments. These can break even 900mm of shell-proof steel so it is very difficult to protect anything from the shells. One of the ways of protection from high explosive anti-tank (HEAT) warheads is using bar armours. This paper focuses on analysis of a shell with PG-7G main shaped charge warhead stroke into a bar armor with a square section. This w ork presents a short description of the analyze d object. M oreover, there is a pri nciple of operation of a shell with the specification of the most trouble elements from the point of view of high velocity partial stream creation. In addition, the paper indicates steps of a numerical model construction toget her with geometr y simplifications and initial-margi nal conditions. On the basis of the results the researchers evaluated the extent of destruction of shell key elements. Furthermore, the work indicates drawings with deformed parts and presents stresses maps of these elements. The summary st ates to what extent PG-7G shell stroke into the armor made of bars with a square section influences reduction of operation efficacy of this type of firearm. Calculations were conducted in LS-Dyna system, which is used for oscillation analyses with a finite element s method. In or der to s olve the motion equation t he researchers used an ordinary integration met hod used for i. e. analyses of highly non-linear oscillation phenomena.
Starting Page	327
Ending Page	332
Page Count	6
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://ilot.edu.pl/kones/2010/3_2010/2010_niezgoda_panowicz_sybilski_barnat_numerical_analysis.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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