Analysis Method for Reinforcing Circular Openings in Isotropic Homogeneous Plate-Like Structures Subjected to Blast Loading

Table 7

Peak displacement from SDOF and FEA.

Test model	SDOF (cm)	FEA (cm)	% difference
One-way test models
TM-1a	10.3	12.3	17.7
TM-1b	4.51	5.36	17.2
TM-1c	2.48	2.89	15.3
TM-2a	10.3	12.3	17.7
TM-2b	4.51	5.33	16.7
TM-2c	2.48	2.87	14.6
TM-3a	76.2	92.8	19.6
TM-3b	33.8	40.2	17.3
TM-3c	18.9	22.5	17.4
TM-4a	76.2	90.9	17.6
TM-4b	33.8	39.7	16.1
TM-4c	18.9	22.2	16.1
Two-way test models
TM-5a	10.8	9.34	14.5
TM-5b	4.64	3.89	17.6
TM-5c	2.54	1.96	25.8
TM-6a	10.8	9.35	14.4
TM-6b	4.64	3.89	17.6
TM-6c	2.49	1.96	23.8
TM-7a	97.3	78.1	21.9
TM-7b	54.6	44.1	21.3
TM-7c	34.9	28.1	21.6
TM-8a	97.3	76.8	23.5
TM-8b	54.6	43.1	23.5
TM-8c	34.9	27.6	23.4