Stochastic simulation of the influence of fibre path variability on the formation of residual stress and shape distortion

Mesogitis, Tassos; Skordos, Alexandros A.; Long, A. C.

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dc.contributor.author	Mesogitis, Tassos
dc.contributor.author	Skordos, Alexandros A.
dc.contributor.author	Long, A. C.
dc.date.accessioned	2016-05-10T09:02:03Z
dc.date.available	2016-05-10T09:02:03Z
dc.date.issued	2015-11-20
dc.identifier.citation	Mesogitis T., Skordos A.A., Long A.C. (2015) Stochastic simulation of the influence of fibre path variability on the formation of residual stress and shape distortion, Polymer Composites	en_UK
dc.identifier.issn	0272-8397
dc.identifier.uri	http://dx.doi.org/10.1002/pc.23856
dc.identifier.uri	https://dspace.lib.cranfield.ac.uk/handle/1826/9868
dc.description.abstract	A stochastic cure simulation approach is developed and implemented to investigate the influence of fibre misalignment on cure. Image analysis is used to characterize fiber misalignment in a carbon non-crimp fabric. It is found that variability in tow orientation is significant with a standard deviation of 1.2°. The autocorrelation structure is modeled using the Ornstein-Uhlenbeck sheet and the stochastic problem is addressed by coupling a finite element model of cure with a Monte Carlo scheme. Simulation of the cure of an angle shaped carbon fiber-epoxy component shows that fiber misalignment can cause considerable variability in the process outcome with a coefficient of variation in maximum residual stress up to approximately 2% (standard deviation of 1 MPa) and qualitative and quantitative variations in final distortion of the cured part with the standard deviation in twist and corner angle reaching values of 0.4° and 0.05° respectively. POLYM. COMPOS., 2015. © 2015 The Authors Polymer Composites published by Wiley Periodicals, Inc. on behalf of Society of Plastics Engineers	en_UK
dc.language.iso	en	en_UK
dc.publisher	Wiley	en_UK
dc.rights	This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. Attribution 4.0 International (CC BY 4.0) You are free to: Share — copy and redistribute the material in any medium or format, Adapt — remix, transform, and build upon the material for any purpose, even commercially. The licensor cannot revoke these freedoms as long as you follow the license terms. Under the following terms: Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Information: No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.	en_UK
dc.title	Stochastic simulation of the influence of fibre path variability on the formation of residual stress and shape distortion	en_UK
dc.type	Article	en_UK