Applying SC3D to Verify Force Protection With Hard Kill Active Protection Systems

U.S. Army photo by Spc. Deomontez Duncan,

Presented: November 18, 2020 12:00 pm - 12:45 pm Presenter: Alex Bernardo Host: DSIAC

The main aspect of this investigation is the fast calculation of jet breakup from incoherent, shaped charge effects on targets.   Several examples are used to verify force protection with hard kill – active protection systems (HK-APS).  The first example showed how SC3D can be used to estimate the rolled homogeneous armor (RHA) equivalence of a layered armor recipe against a shaped charge threat at standoff.  The RHA equivalence can then be used in traditional vulnerability assessments.  In the second example, a stochastic analysis was done of an early-initiated normal jet event against a target vehicle to evaluate occupant survivability.  Although Monte Carlo was used to calculate vulnerability, this was representative of a singular, deterministic HK-APS intercept of a threat (Pk given an intercept).  In the third example, an additional layer of stochastic analysis evaluated probability of intercept, accounting for circle error probable of a threat as it is intercepted by an APS along a protection hemisphere (Pk given a launch).

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