Issue 61

R. Andreotti et alii, Frattura ed Integrità Strutturale, 61 (2022) 176-197; DOI: 10.3221/IGF-ESIS.61.12

Figure 7: Finite element model of bullet and gel block.

Figure 8: Finite element models of the bullets, left to right: 9x21mm FMJ round nose (red), 7.62x39mm FMJ (yellow), 56x45mm NATO (blue).

R ESULTS AND VALIDATION

I

n the following, a comparison between experimental and numerical results is provided. All the numerical simulations were initialized with the measured bullet velocities and the estimated incidence angle.

Bullet Mass [g]

Estimated Impact Angle [deg]

Cartridge

Measured Velocity [m/s]

9x21 mm FMJ round nose

8 8 4

361 703 912

-1

7.62x39 mm FMJ 5.56x45 mm NATO

2 5

Table 2: Summary of the initial conditions.

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