Dynamic Response and Optimal Design of Curved Metallic Sandwich Panels under Blast Loading

Table 3

Specifications of curved sandwich panels and experimental [17] and numerical results.

Number of specimens	Radius (mm)	Face-sheet thickness (mm)	Core thickness (mm)	Foam relative density (%)	Mass of TNT charge (g)	Inner face central deflection (mm)
						Test	FE
1	250	0.8	10	15	20	17.80	17.55
2	250	0.8	10	15	30	34.90	31.99
3	500	1.0	10	15	20	10.72	12.53
4	250	0.5	10	15	20	25.34	24.90
5	250	1.0	10	15	20	12.66	14.22
6	500	0.8	10	15	20	24.28	21.06