Finite Element Modelling of CNT-Doped CFRP Plates for Lightning Strike Damage

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Finite Element Modelling of CNT-Doped CFRP Plates for Lightning Strike Damage

Soykasap, Omer / Karakaya, Sukru / Akcin, Yelda / Colakoglu, Mehmet

The neat and CNT-doped CFRP-laminated plates to be used in aerospace structures are considered for the behaviour of lightning strike damage. Material properties of both the neat and CNT-doped T800/M21 are obtained experimentally. Quasi-isotropic rectangular plates are modelled in ABAQUS finite element program. Coupled electrical and thermal analysis is carried out using multi-physics. Steady-state electrical analysis and transient heat transfer analysis are conducted at each time increment by the application of Joule heat generation. The damage region is estimated by considering the decomposition temperature of the resin. The coupled analysis shows that the damage region of the CNT-doped laminate substantially decreases when compared to the neat laminate. Next, fully coupled electrical–thermal–mechanical analysis is carried out in order to further understand the damage initiation and estimation of material failure before the decomposition of the resin. The damage initiation is estimated by considering thermal stress level and Tsai–Wu material failure criterion. The finite element simulations indicate that more electrical current can be applied to the CNT-doped laminate or that there would be less damage under the same electrical current because the electrical conductivity through the thickness of the plate plays a significant role for the lightning strike damage.

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Dokumentinformationen

Titel :

Finite Element Modelling of CNT-Doped CFRP Plates for Lightning Strike Damage

Beteiligte:

Wölcken, Piet Christof (Herausgeber:in) / Papadopoulos, Michael (Herausgeber:in) / Soykasap, Omer (Autor:in) / Karakaya, Sukru (Autor:in) / Akcin, Yelda (Autor:in) / Colakoglu, Mehmet (Autor:in)

Erschienen in:

Smart Intelligent Aircraft Structures (SARISTU) ; Kapitel : 44 ; 825-837

Erscheinungsdatum :

2015-09-05

Format / Umfang :

13 pages

ISBN :

978-3-319-22413-8 , 978-3-319-22412-1

DOI :

https://doi.org/10.1007/978-3-319-22413-8_44

Medientyp :

Aufsatz/Kapitel (Buch)