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Paper Information

Journal:   JOURNAL OF ENERGETIC MATERIALS   FALL 2007-WINTER 2008 , Volume 2 , Number 2; Page(s) 69 To 82.
 
Paper: 

NUMERICAL ANALYSIS OF EXPLOSION AND JET FORMATION IN SHAPED CHARGE

 
 
Author(s):  ALAVI NIA A.*, AHMADI KIA H., HOJJATI A.
 
* ENGINEERING FACULTY, BU ALI SINA UNIVERSITY, HAMEDAN, IRAN
 
Abstract: 

In this paper the shaped charge and its analysis methods are introduced and explosion process, liner collapse and jet formation are simulated using LSDYNA960 software. After making sure about the correction of the simulation process and its results, the effects of the main parameters of the shaped charge on the jet properties are investigated. The results of this study show that decreasing the liner apex angle and increasing the detonation velocity of the charge increase the jet velocity. Also decreasing the thickness of the liner near the apex leads to an increase in the jet velocity. Using an appropriate case for the shaped charge also increases the jet velocity about 10%. The results of the simulations are in good agreement both with analytical results and the results of the simulations done by other researchers.

 
Keyword(s): SHAPED CHARGE, EXPLOSION, LINER, SIMULATION, LSDYNA
 
References: 
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