multiple crack identification, composite laminated beam, perturbation to dynamic equilibrium, non-contact vibration measurement, laser scanning
Identification of Damage on Sluice Hoist Beams Using Local Mode Evoked by Swept Frequency Excitation
hoist beam, damage detection, local primary frequency, local mode, local resonance response band
Damage imaging, Guided wavefield curvature, CFRP plate, Delamination, Honeycomb sandwich panel, Debonding
eigen-frequency, crack detection, frequency contour-line method, frequency contour-strip method, noise robustness
Fourier transform, operator calculus, partial differential equation, linear PDE with variable coefficients