JANUARY 2020 VOLUME 78 • NUMBER 1 J A N U A R Y 2 0 2 0 • M A T E R I A L S E V A L U A T I O N 3 Digital Extras This icon indicates that enhanced content is available on the digital edition of Materials Evaluation. FEATURE 38 Operational NDT Simulations Involving Real Operators Damien Rodat, Nicolas Dominguez, Frank Guibert, and Pierre Calmon TECHNICAL PAPERS 73 Electromagnetic Modeling and Inverse Methods for Eddy Current Characterization of Carbon Fiber Composites Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, and Russell A. Wincheski 82 Model Benchmarking Studies of Angle-Beam Pulse-Echo Ultrasonic Inspection of Composites John T. Welter, John C. Aldrin, John N. Wertz, Victoria Kramb, and David Zainey 95 NDE Data Analysis and Modeling in 3D CAD Context Stephen D. Holland, Chevonne McInnis, Rafael Radkowski, and Adarsh Krishnamurthy 104 A Framework for Computational Nondestructive Evaluation of Degraded Composites with Microscale Discontinuities Sajan Shrestha, Vahid Tavaf, and Sourav Banerjee TECH FOCUS ISSUE: NDE MODELING AND SIMULATION 11 Focus Letter “NDE models are useful tools for investigating and assessing new or existing inspection approaches…” 38 95