Study of Target Penetration Prediction by High Speed and Ultra High Speed Ballistic Impact
Quarterly rept. no. 3, 1 Jan-31 Mar 1962
HAYES INTERNATIONAL CORP BIRMINGHAM AL
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Statistical correlation, based on all hypervelocity terminal ballistic data gathered prior to December 1961, attempts to relate the depth of penetration in semi-infinite targets with ten independent variables. Without any initial assumptions being made regarding the process of ballistic impact or the shape of the craters formed, this analysis produced an equation quite similar to the empirical equation used by many investigators to fit their data. Also reported are initial attempts to formulate a theoretical model for the purpose of testing accumulated experimental data. This theoretical model is developed from a consideration of energy conversion during impact.