Parametric study of guided ultrasonic wave propagation in carbon-fiber composite plates

The aim of this work is to study the guided ultrasonic wave (GUW) behaviour in composite plates using 3D Finite Element Analysis (FEA). Two types of composite models are chosen: plates with and without damage. The damage is modelled as a circular-shaped delamination inside the plate, representing on...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2018-03, Vol.328 (1), p.12020
Main Authors: Ibrahim, N A, Kamarudin, M A, Jurimi, M H F M, Murat, B I S
Format: Article
Language:English
Subjects:
Composite structures
Delamination
Directivity
Fiber composites
Finite element method
Impact damage
Mathematical models
Monitoring
Parameters
Parametric statistics
Scattering
Three dimensional composites
Wave propagation
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Summary:The aim of this work is to study the guided ultrasonic wave (GUW) behaviour in composite plates using 3D Finite Element Analysis (FEA). Two types of composite models are chosen: plates with and without damage. The damage is modelled as a circular-shaped delamination inside the plate, representing one kind of low-velocity impact damage. Parameters such as excitation frequency, monitoring directivity, plate thickness, delamination size and shape were used to investigate the influence of these parameters on the GUW propagation and scattering behaviour. The models were constructed and coded in Matlab platform, while the simulations were performed in ABAQUS Explicit. From the results, the received signals have shown a strong dependency on the parameters. Significant scattering from the models with delamination were also observed, which indicates the possibility of using GUW for rapid non-destructive monitoring of composite panels and structures.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/328/1/012020