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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