Study on the Earth-Covered Magazine Models under the Internal Explosion

Table 7

Comparison of test and numerical simulation.

Rear soil thickness (mm)	Parameter	Test	Simulation	Relative error (%)
30	Peak overpressure (kPa)	107.08	103.57	3.28
	Time of arrival (ms)	8.71	8.51	2.30
	Duration (ms)	3.16	3.01	4.75
60	Peak overpressure (kPa)	86.67	78.40	9.54
	Time of arrival (ms)	9.26	8.88	4.10
	Duration (ms)	3.36	4.55	35.42
150	Peak overpressure (kPa)	80.26	79.18	1.35
	Time of arrival (ms)	9.40	9.02	4.04
	Duration (ms)	3.79	4.04	6.60
300	Peak overpressure (kPa)	82.93	78.67	5.14
	Time of arrival (ms)	9.22	8.85	4.01
	Duration (ms)	3.08	4.04	31.17