The growing use of composite materials for aerospace applications has resulted in the need
for quantitative methods to analyze composite components. Ultrasonic guided waves …

Compared to the traditional integer order viscoelastic model, a fractional order derivative
viscoelastic model is shown to be more accurate. A thorough knowledge of the dispersive …

In this paper we propose a concept and report experimental results based on a circular array
of Piezoelectric Wafer Active Sensors (PWASs) for rapid localization and parametric …

A damage detection and imaging methodology based on symmetry of neighborhood sensor
path and similarity of signal patterns with respect to radial paths in a circular array of sensors …

Lamb wave based techniques have been widely used for structural health monitoring (SHM)
applications. Most of the studies used either plates or built simple structures similar to …

In this paper, a numerical approach for the computation of dispersion relations for three-
dimensional waveguides with arbitrary cross-section is proposed. The formulation is based …

Non-uniform crack identification in plate-like structures is of significance in mechanical,
aerospace, and civil engineering. The 2D modal curvature is often utilized to identify …

Guided wave detection using different fiber optic sensors and their applications in damage
detection for composite laminates were systematically investigated and compared in this …

In this paper we propose an algorithm to compute specific parts of the dispersion curves for
elastic waveguides. The formulation is based on an axisymmetric representation of the …

This paper addresses the computation of dispersion curves and mode shapes of elastic
guided waves in axisymmetric waveguides. The approach is based on a Scaled Boundary …