Representing an advanced analytical tool available to our clients, the Digital Image Correlation (DIC) is a non-contact optical method of measuring three- dimensional deformation that may be the result of an applied load or a change in temperature. This advanced system documents, calculates and analyzes the displacements and deformations in three dimensions, based on the undeformed state, or reference state. The result is an array of virtual strain gages on the surface of the material being tested, which provides a localized level of detail not possible with traditional strain gages or extensometers. This is particularly useful for composite testing and analysis, and has been used extensively to verify Finite Element Analysis.
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