Investigation of Shock Initiation in Covered Charges under Shock Wave and Fragment Impacts

Table 5

Simulation results obtained for detonation distance of covered charges with different notch sizes.

Serial number	Thickness of the covered plate (mm)	Upper notch diameters (mm)	Lower notch diameters (mm)	Gradient (°)	Detonation distance (mm)
1	0	—	—	—	81
2	3	13	1	26.6	67
3	3	10	1	33.7	59
4	3	8.5	1	38.7	54
5	3	7	1	45	51
6	3	5.5	1	53.1	45
7	3	4	1	63.5	38
8	3	1	1	90	36
9	3	4	4	90	45
10	3	7	7	90	53
11	3	0	0	—	25