Optimal Sensor Placement for Inverse Finite Element Reconstruction of Three-Dimensional Frame Deformation

Table 6

Comparison between NDI and iFEM reconstructions in loading case of end-node.

	Direction	Direction	Direction	Direction	Direction	Direction
	1		2		3
	−21.9 mm	0.2 mm	−29.5 mm	0.3 mm	−36.6 mm	0.7 mm
	−24.8 mm	0.4 mm	−27.4 mm	0.4 mm	−37.5 mm	0.9 mm
	−23.7 mm	0.4 mm	−26.1 mm	0.4 mm	−35.7 mm	0.8 mm
	2.9 mm	0.3 mm	2.1 mm	0.2 mm	1.1 mm	0.3 mm
	1.8 mm	0.3 mm	3.4 mm	0.2 mm	1.1 mm	0.2 mm
	1.42 mm	0.18 mm	1.03 mm	0.13 mm	0.67 mm	0.16 mm
	0.89 mm	0.16 mm	1.60 mm	0.12 mm	0.65 m	0.12 mm
	13.2%	150%	7.1%	66.7%	3%	42.9%
	8.2%	150%	11.5%	66.7%	3%	28.6%
	4		5		6
	−59.6 mm	0.7 mm	−67.3 mm	1.1 mm	−75.3 mm	1.1 mm
	−62.2 mm	0.9 mm	−73.1 mm	1.3 mm	−83.8 mm	1.4 mm
	−59.3 mm	0.8 mm	−69.6 mm	1.2 mm	−79.9 mm	1.2 mm
	2.6 mm	0.3 mm	5.8 mm	0.3 mm	8.6 mm	0.4 mm
	1.7 mm	0.2 mm	2.3 mm	0.2 mm	4.6 mm	0.3 mm
	1.49 mm	0.16 mm	2.86 mm	0.18 mm	4.16 mm	0.21 mm
	0.84 mm	0.13 mm	1.43 mm	0.15 mm	2.4 mm	0.15 mm
	4.4%	42.9%	8.6%	27.3%	11.4%	36.4%
	2.9%	28.6%	3.4%	18.2%	6.1%	27.3%