Experimental and Theoretical Analysis on the Dynamic Characteristics of Fused Filament Fabrication Plates

Table 6

The predicted and measured inherent characteristics of the samples.

Category	Extrusion width	Order
		1^st	2^nd	3^rd
Average measured natural frequency A (Hz)	0.4 mm	18.0	154.9	384.8
	0.3 mm	17.1	145.6	371.1
	0.2 mm	16.1	134.2	346.0
Average predicted natural frequency B (Hz)	0.4 mm	19.3	170.1	429.4
	0.3 mm	18.5	159.6	416.0
	0.2 mm	17.6	148.6	392.4
Error (%)	0.4 mm	7.2	9.8	11. 6
	0.3 mm	8.2	9.6	12.1
	0.2 mm	9.3	10.7	13.4
Measured mode shape
Predicted mode shape