The DIC works by comparing digital photographs of a component or a test part at different stages of deformation. By tracking blocks of pixels, the system can measure surface displacement and create full-field 2D and 3D deformation vector fields and deformation maps. Digital image correlation (DIC) is a method of analyzing full-field images, based on digital images with gray values, that can determine the outline and displacements of an object under load in three dimensions.
How does digital image correlation work?
The DIC works by comparing digital photographs of a component or a test part at different stages of deformation. By tracking blocks of pixels, the system can measure surface displacement and create full-field 2D and 3D deformation vector fields and deformation maps.
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How is digital image correlation used?
Digital image correlation (DIC) is a full-field, non-contact 3D optical technique for measuring contour, deformation, vibration and deformation in almost any material. The technique can be used with many tests, including traction, torsion, bending and combined load tests for static and dynamic applications.
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