The Potential of Guided Waves for Monitoring Large Areas of Metallic Aircraft Fuselage Structure

By R. Dalton, Peter Cawley, M. Lowe. 2001

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Embedded non-destructive evaluation for structural health monitoring, damage detection, and failure prevention (2005, background): “The potential use of guided waves for monitoring metallic aircraft structures was investigated by Alleyne and Cawley (1992) and Dalton et al. (2001).”
Structural health monitoring: Closing the gap between research and industrial deployment (2018, background): “Here, there are multiple reflections from the relatively closely spaced ribs and stiffeners that greatly complicate the received signals and reduce the feasible test range; Dalton et al.(65) showed that testing over distances greater than 1 m was unlikely to be feasible at the .”
Tuned Lamb Wave Excitation and Detection with Piezoelectric Wafer Active Sensors for Structural Health Monitoring (2005, background): “Among ultrasonic waves, the Lamb waves are particularly advantageous because they can propagate over large distances in plates and shells (Rose 1995, 2002; Krautkramer, 1998; Seale et al., 1998; Alleyne et al., 2001; Dalton et al., 2001; Thomson and Chimenti, 2002).”
Complete noncontact laser ultrasonic imaging for automated crack visualization in a plate (2013, background): “In particular, ultrasonic based SHM techniques are garnering attention because ultrasonic waves are sensitive to even small defects and can travel a relatively long distance with little attenuation [1–6].”