Full field strain measurements of composite wing by digital image correlation
A. Pagani,E. Zappino,A.G. de Miguel,V. Martilla,E. Carrera
Abstract
This paper discusses the use of the Digital Image Correlation (DIC) technique for the displacement and strain measurements of a wet lay-up composite wing. As opposed to classical strain gages, DIC allows to conduct full field strain analysis of simple to complex structural parts. In this work, wing-up bending tests and measurements of the composite wing of the Dardo Aspect by CFM Air are carried out through an ad-hoc test rig and the Q-400 DIC system by Dantec Dynamics. Also, the results are used to validate a finite element model of the structure under investigation.
Key Words
digital image correlation; composite wings; full field strain analysis
Address
A. Pagani, E. Zappino, A.G. de Miguel and E. Carrera — MUL2 group, Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
V. Martilla — C.F.M. Air s.r.l., Cirié, Turin, Italy
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