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Image-based modeling of moisture-induced swelling and stress in 2D textile composite materials using a global-local approach

Sinchuk, Y ; Pannier, Y ; Gueguen, M ; Gigliotti, M Abrate, Serge (Editor) ; Crupi, Vincenzo (Editor) ; Epasto, Gabriella (Editor)

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, April 2018, Vol.232(8), pp.1505-1519 [Periódico revisado por pares]

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  • Título:
    Image-based modeling of moisture-induced swelling and stress in 2D textile composite materials using a global-local approach
  • Autor: Sinchuk, Y ; Pannier, Y ; Gueguen, M ; Gigliotti, M
  • Abrate, Serge (Editor) ; Crupi, Vincenzo (Editor) ; Epasto, Gabriella (Editor)
  • Assuntos: 2d Carbon/Epoxy Textile Composite Material ; Moisture Induced Swelling and Stress Simulation ; Moisture Sorption ; Μ-CT Image-Based Modeling ; Global-Local Approach ; Engineering
  • É parte de: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, April 2018, Vol.232(8), pp.1505-1519
  • Descrição: The present paper focuses on the employment of a global-local approach for the simulation of moisture-induced swelling and stress in a 2D textile carbon fiber/epoxy matrix composite material. The approach is based on the development of a robust image-based finite element model built starting from X-ray microtomography scans of a repetitive unit cell of the textile material: simulations aim at investigating both the global (sample scale) level and the local micromechanical (interfaces between matrix and fibrous tows, matrix inside a tow) level behaviour. Three models at the different cited scales are first built (ply level model, tow level and fiber level model): then a non-concurrent (node-based) approach is used for coupling the models at different scales. The results of numerical simulation of moisture-induced swelling and stress are discussed, with emphasis on the identification of the most critical zones at which maximal stress values are calculated, at different scales....
  • Idioma: Inglês

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