Numerical and experimental investigation of damage detection in stiffened composite panels using guided ultrasonic waves

2020 ◽  
Author(s):  
Steffen Tai ◽  
Fumika Kotobuki ◽  
Ajit Mal ◽  
Christoph Schaal
Keyword(s):  
Experimental Investigation ◽  
Damage Detection ◽  
Ultrasonic Waves ◽  
Composite Panels ◽  
Guided Ultrasonic Waves ◽  
Stiffened Composite Panels

Ultrasonic/Guided Waves for Structural Health Monitoring

2005 ◽  
Vol 293-294 ◽  
pp. 49-62 ◽  
Author(s):  
W.J. Staszewski
Keyword(s):  
Damage Detection ◽  
Structural Damage ◽  
Guided Waves ◽  
Ultrasonic Waves ◽  
Detection Methods ◽  
Smart Sensor ◽  
Large Structures ◽  
Guided Ultrasonic Waves ◽  
Damage Monitoring ◽  
Recent Developments

Structural damage detection and monitoring is one of the major maintenance activities in transportation, processing and civil engineering. Current procedures are based on scheduled inspections which are often time/labour consuming and expensive. Guided ultrasonic waves offer the ability of inspecting large structures with a small number of transducers. Recent developments in smart sensor technologies allow for integration of these transducers with monitored structures. This is associated with a new design philosophy leading to more efficient and economically attractive structures. The paper briefly discusses various damage detection methods based on structural, ultrasonic and guided ultrasonic waves. The focus is on recent research advances in damage monitoring techniques, smart sensor technologies and signal processing.

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