Smart nonlinear acoustic based structural health monitoring system


Polimeno, U., Meo, M. and Almond, D., 2008. Smart nonlinear acoustic based structural health monitoring system. In: 3rd International Conference on Smart Materials, Structures and Systems - Emboding Intelligence in Structures and Integrated Systems, CIMTEC 2008, 2008-06-08 - 2008-06-13, Sicily.

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The objective of this work was to demonstrate the feasibility of nonlinear vibration/acoustic/ultrasonic diagnostic tools to be implemented in a structural health monitoring system for imaging damage. In particular, the sensitivity a second harmonic imaging technique (SHIT) based on material nonlinear elastic effect known as second harmonic generation (SHG) was investigated. Examples of the capability and limitations of the proposed damage detection process to detect and image barely visible impact damage (BVID) due to low velocity impact (


Item Type Conference or Workshop Items (Paper)
CreatorsPolimeno, U., Meo, M. and Almond, D.
Uncontrolled Keywordsbarely visible impact damage, structural health monitoring systems, non linear elastic material, non-linear methods, second-harmonic generations, pulse thermographies, received signals, diagnostic tools, low velocity impacts, material nonlinear, thermosonic, detection process, elastic effects, second-harmonic imaging, structural healths
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
Research CentresAerospace Engineering Research Centre
ID Code13890


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