Application of Digital Image Correlation to Measurement of Packaging Material Mechanical Properties

Table 1

Measured frequencies from DIC and DASP.

No.	DIC (Hz)				DASP (Hz)				Average error
	1	2	3	Average	1	2	3	Average
1	6.0547	6.1707	6.1829	6.1361	6.1088	6.1073	6.1109	6.1090	0.444%
2	6.6772	6.7139	6.6528	6.6813	6.6942	6.6996	6.6983	6.6974	−0.240%
3	7.3975	7.3730	7.3975	7.3893	7.3547	7.3570	7.3564	7.3560	0.453%
4	8.1421	8.0994	8.1421	8.1279	8.1039	8.1032	8.1076	8.1049	0.283%
5	8.5815	8.4167	8.3740	8.4574	8.4452	8.4460	8.4451	8.4454	0.142%
6	9.7412	9.9182	9.9121	9.8572	9.9089	9.9074	9.9093	9.9085	−0.518%
7	10.6260	10.6630	10.6260	10.6383	10.5955	10.5962	10.5965	10.5961	0.399%
8	11.0900	11.3590	11.3340	11.2610	11.3689	11.3705	11.3707	11.3700	−0.959%
9	12.4940	12.4940	12.4940	12.4940	12.3817	12.4258	12.4414	12.4163	0.626%