Calculating Acoustic Channel for a Crack-Like Corrosion–Mechanical Defect

Abstract

For the previously proposed model of the corner reflector with a convex cylindrical surface at the base, intended for simulating crack-like corrosion–mechanical defects, formulas for high-resolution acoustic in-line inspection tool (ILI) have been derived in the geometrical acoustics approximation. Based on simulation results, it is demonstrated that the geometrical characteristics of the proposed model of the corner reflector affect the amplitude of angled incident transverse waves reflected from its surface in comparison with the model of a corner reflector coming to a flat surface prescribed by technical regulations.