Local wavenumber estimation (LWE) applied to a full wavefield response is a powerful
approach for detecting and characterizing defects in a composite structure. However, the …

In this study, a non-destructive testing approach is investigated for finding damages in fiber
reinforced polymers using broadband piezoelectric excitation and scanning laser Doppler …

Composite materials are widely used across major industries such as the automotive,
aerospace and wind power, due to their excellent mechanical properties. A strong effort is …

In this study, a novel wave processing algorithm:“local wave-direction estimation (LWDE)”, is
proposed to localize sources of guided waves using full-field scanning laser Doppler (SLDV) …

Acoustic steady-state excitation spatial spectroscopy (ASSESS) is a full-field, ultrasonic non-
destructive evaluation (NDE) technique used to locate and characterize defects in plate-like …

In plate-like structures, wall-thinning defects resulting from corrosion may not be
accompanied by any indication of damage on the surface. Thus, inspections are required to …

A non-destructive testing procedure is proposed for damage detection in composites using
full wavefield measurement obtained using a scanning laser Doppler vibrometer. Vibrations …

In this study, both linear and nonlinear vibrational defect imaging is performed for a cross-ply
carbon fiber-reinforced polymer (CFRP) plate with artificial delaminations and for a quasi …

Recent advances in nondestructive evaluation (NDE) techniques have sought to improve
the testing speed and accuracy of automatic flaw detection algorithms to minimize the costly …

Laser ultrasonic scanning, especially full-field wave propagation imaging, is attractive for
damage visualization thanks to its noncontact nature, sensitivity to local damage, and high …