Simulation based investigation of hidden delamination damage detection in CFRP composites | Zendy

Cara A.C. Leckey | Zendy; Frazier Parker | Zendy

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Simulation based investigation of hidden delamination damage detection in CFRP composites

Author(s) -

Cara A.C. Leckey,

Frazier Parker

Publication year - 2014

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4864945

Subject(s) - delamination (geology) , aerospace , characterization (materials science) , structural health monitoring , materials science , nondestructive testing , structural engineering , composite number , work (physics) , composite material , computer science , mechanical engineering , aerospace engineering , engineering , nanotechnology , physics , geology , paleontology , quantum mechanics , subduction , tectonics

Guided wave (GW) based damage detection methods have shown promise in structural health monitoring (SHM) and hybrid SHM-nondestructive evaluation (NDE) techniques. Much previous GW work in the aerospace field has been primarily focused on metallic materials, with a growing focus on composite materials. The work presented in this paper demonstrates how realistic three-dimensional (3D) GW simulations can aid in the development of GW based damage characterization techniques for aerospace composites. 3D elastodynamic finite integration technique is implemented to model GW interaction with realistic delamination damage. A local wavenumber technique is applied to simulation data in order to investigate the detectability of hidden delamination damage to enable accurate characterization of damage extent.

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