Journal
COMPOSITE STRUCTURES
Volume 109, Issue -, Pages 268-278Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2013.11.007
Keywords
Composite materials; Finite Element Modelling; Coupled thermal-electric; Temperature dependent; Decomposition kinetics
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This paper presents a physics based modelling procedure to predict the thermal damage of composite material when struck by lightning. The procedure uses the Finite Element Method with non-linear material models to represent the extreme thermal material behaviour of the composite material (carbon/epoxy) and an embedded copper mesh protection system. Simulation predictions are compared against published experimental data, illustrating the potential accuracy and computational cost of virtual lightning strike tests and the requirement for temperature dependent material modelling. The modelling procedure is then used to examine and explain a number of practical solutions to minimize thermal material damage. (C) 2013 Elsevier Ltd. All rights reserved.
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