Analysis of the Dynamic Response in Blast-Loaded CFRP-Strengthened Metallic Beams

Table 2

Results of the three analysis methods for hybrid beams.

Beam depth, 𝑑/mm	Number	No. of CFRP layers	Initial velocity, 𝑉0/m⋅s^−1	Test results, 𝑊𝑓/mm	Analytical solutions, 𝑊𝑓/mm	FE analysis, 𝑊𝑓/mm	Relative error of analytical solution	Relative error of FEA
6	1	1	54	12.82	16.62	20.79	29.64%	62.17%
	2	1	63	20.98	19.81	26.12	−5.58%	24.50%
	3	3	50	10.76	13.38	11.81	24.35%	9.76%
	4	3	61	20.27	16.87	16.49	−16.77%	−18.65%
	5	5	46	7.80	11.41	10.65	46.28%	36.54%
	6	5	61	20.27	15.92	17.14	−21.46%	−15.44%
10	7	1	60	25.03	22.82	28.06	−8.83%	12.11%
	8	3	57	22.01	19.28	23.39	−12.40%	6.27%
	9	5	57	18.99	18.54	10.68	−2.37%	−43.76%
12	10	1	49	19.20	17.97	21.55	−6.41%	12.24%
	11	1	71	33.72	28.16	33.51	−16.49%	−0.62%
	12	3	47	18.00	14.89	13.11	−17.28%	−27.17%
	13	3	71	32.52	24.82	32.40	−23.68%	−0.37%
	14	5	50	17.16	15.57	11.74	−9.27%	−31.59%
	15	5	70	30.36	23.62	30.93	−22.20%	1.88%