2026-04-18T07:33:13Zhttps://recercat.cat/oai/request

oai:recercat.cat:2117/4072072026-03-20T06:47:32Zcom_2072_1033col_2072_452950

Fatigue behaviour of glass-fibre-reinforced polymers: numerical and experimental characterisation Alcayde Romo, Bárbara Merzkirch, Matthias Cornejo Velázquez, Alejandro Jiménez Reyes, Sergio Marklund, Eric Barbu, Lucia Gratiela Universitat Politècnica de Catalunya. Doctorat en Anàlisi Estructural Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental Centre Internacional de Mètodes Numèrics en Enginyeria Universitat Politècnica de Catalunya. MMCE - Mecànica de Medis Continus i Estructures Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures::Materials i estructures de formigó Reinforced concrete Composite material High cycle fatigue Serial–parallel rule of mixtures Fracture mechanics Finite element method Formigó armat This work presents a novel numerical methodology to model the degradation and failure of composite materials like GFRP submitted to monotonic and high cycle fatigue loads. This is done by using the Serial–Parallel Rule of Mixtures homogenisation technique together with a proper mechanical characterisation of the constituent materials of the composite. This paper also proposes an efficient way of estimating the fatigue properties of each of the material constituents (fibre or matrix) to comply with the experimental results obtained at composite level; this enables to estimate the fatigue strength of any stacking/orientation of fibres with only one mechanical characterisation of the material properties. A comparison of the results obtained analytically and experimentally for GFRP is presented. The results show the applicability and accuracy of the proposed methodology in this field. This work has been done within the framework of the project: Fatigue modelling and fast testing methodologies to optimise part design and to boost lightweight materials deployment in chassis parts. This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No. 101006844. The work has been also supported by the Spanish Government program FPU17/04196 and Severo Ochoa programme through the grant CEX2018-000797-S funded by MCIN/AEI /10.13039/501100011033. The authors Lucia Gratiela Barbu and Alejandro Cornejo are Serra Húnter Fellows. The authors gratefully acknowledge all the received support. Peer Reviewed Postprint (published version) 2024-06 Article Alcayde, B. [et al.]. Fatigue behaviour of glass-fibre-reinforced polymers: numerical and experimental characterisation. "Composite structures", Juny 2024, vol. 337, núm. article 118057. 1879-1085 https://hdl.handle.net/2117/407207 10.1016/j.compstruct.2024.118057 eng https://www.sciencedirect.com/science/article/pii/S0263822324001855 info:eu-repo/grantAgreement/EC/H2020/101006844/EU/Fatigue modelling and fast testing methodologies to optimize part design and to boost lightweight materials deployment in chassis parts/Fatigue4Light http://creativecommons.org/licenses/by/4.0/ Open Access Attribution 4.0 International application/pdf Elsevier