Operational Deflection Shape Extraction from Broadband Events of an Aircraft Component Using 3D-DIC in Magnified Images

<div>(a) Example of a grey-scale speckle pattern on the surface of interest. (b) Facet grid generation in the reference image highlighting that whose central pixel P. (c) Position of the pixel P after deformation, P′, to determine the displacement vector.</div>

Shock and Vibration

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Figure 4

Figure 4: Operational Deflection Shape Extraction from Broadband Events of an Aircraft Component Using 3D-DIC in Magnified Images 