Study of Hypervelocity Projectile Impact on Thick Metal Plates

Table 7

Comparison of spall crack in simulations.

Impact velocity; (m/s)	Test ID	Spall crack location with; respect to free surface (mm)	% difference
5338	1000-016	2.3	N/A
	LS-DYNA (10 μs)	2.8	−19.6
	CTH (10 μs)	2.6	13.0
5063	1000-017	2.4	N/A
	LS-DYNA (10 μs)	2.3	−3.3
	CTH (10 μs)	2.1	−12.5