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Inversion of Potential Drop Data for the Reconstruction of Crack Depth Profiles
Giuseppe Sposito, Peter Cawley, Peter B. Nagy
141 - 147
10.3233/978-1-58603-896-0-141
Studies in Applied Electromagnetics and Mechanics
Volume 31: Electromagnetic Nondestructive Evaluation (XI)
Abstract

This paper considers the inverse problem of estimating the depth profile of an unknown defect from measurements of transfer resistance. The results both finite-element analyses and experimental tests on specimens with notches of various shapes and sizes were used to develop a simple algorithm that allows a good reconstruction of the depth profile. A synthetic focusing technique is applied which improves the quality of the reconstruction.

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