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

Table 7

Optimum panel designs for Case Study 3.

Panel	𝑅 (mm)	𝑇𝑖 (mm)	𝑇𝑜 (mm)	𝑇𝑐 (mm)	𝜌𝑓 (kg/m^3)	Mass (kg)	MaxD (mm)		SEA (kJ/kg)
							ANN	FE	ANN	FE
P8	371.07	3.45	2.71	59.84	356	14.97	12.06	11.73	2.89	2.91
P9	342.49	3.97	1.02	59.81	258	13.24	29.94	32.76	7.13	6.91
P10	994.08	2.86	1.01	59.89	137	8.43	56.09	64.37	20.01	20.02
P11	992.60	1.15	1.01	50.04	137	4.70	99.95	105.23	34.03	35.52
P11′	993.90	1.28	1.01	50.91	137	4.98	94.24	99.56	32.41	33.39

Note: P8 is the solution of minimum MaxD, P9 is the solution of maximum SEA with MaxD constraint of less than 30 mm, P10 is the solution of minimum MaxD with SEA constraint of larger than 20 kJ/kg, P11 is the solution of maximum SEA, and P11′ is the solution of maximum SEA with MaxD constraint of 95 mm.