Research Article

Study of Hypervelocity Projectile Impact on Thick Metal Plates

Table 8

Comparison of free surface velocities in simulations.

Impact velocity
(m/s)
Test IDHEL (GPa)% difference1st peak
velocity (m/s)
% difference2nd peak
velocity (m/s)
% difference

53381000-0161.22N/A243.0N/A195.0N/A
LS-DYNA (5 μs) 0.64−47.5232.0−4.5220.012.8
CTH (5 μs)0.57−53.3247.21.7256.531.5

50631000-0170.95N/A205.0N/A171.0N/A
LS-DYNA (5 μs)0.64−32.6228.911.7195.114.1
CTH (5 μs)0.57–40.0224.89.7240.240.5