Analysis Of The Kinetic Energy Transfer To The
Target During Impact Of The Antitank Projectiles
Author(s)
A. Morka & J. W. Wekezer
Abstract
The paper presents research results of a feasibility study to develop a new
concept of the modern Armor Mounting System (AMS) for the Light-Weight
Army Vehicle (LAV). Relationship between potential mounting system
properties and the target perforation process were examined. The kinetic energy
transferred to the targets was studied for several cases of antitank projectiles and
armor configurations. Results of this study helped to identify the amount of
projectile energy which would be dissipated by the AMS. This assessment was
made through a series of simulations of armor perforations by antitank kinetic
energy penetrators. Three types of the high kinetic energy (KE) projectiles were
considered: shape charges, explosively formed projectiles (EFP), and sub-caliber
projectiles. Modern armor concepts including multilayer armor (with ceramic),
active armor (where some parts can move against the attacking projectile) were
considered. Several finite element (FE) models for the modern light armor and
high KE anti-tank projectiles (up to 10 MJ) were developed. These models
consist of over 150,000 elements for the projectiles and over 500,000 elements
for the targets respectively. The finite element analysis was conducted using an
explicit, 3-D, dynamic, nonlinear finite element method supported by the LSDYNA
computer code. 3-D eroding finite elements were used for all FE models
throughout the study. Depending on the type of projectile and armor, the energy
transfer was examined and the efficiency of each system was examined.
Keywords: armour perforation; protective design; numerical simulations; finite
element analysis, antitank projectiles.
Keywords
armour perforation; protective design; numerical simulations; finite
element analysis, antitank projectiles.
Related Book
Other papers in this volume
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