Dimensionnement en fatigue multiaxiale des toiles de roues ferroviaires sous sollicitations multi-paramètres à amplitude variable

Abstract : The main objective of this PHD thesis is to develop a method for the definition of simplified equivalent loads representative of real loads (the severity is equivalent from fatigue phenomenon point of view). This method must be adapted to multi-input problems because loads applied on wheels are multi-dimensional (vertical and lateral loads) and independent. Finally, the thesis also aims to provide a comprehensive approach to fatigue-reliability problem of the wheels, which can be an extension of the stress-strength method for multi-input loads. A fatigue criterion for the railway will is presented and identified using a new test campaign.
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Clément Roux. Dimensionnement en fatigue multiaxiale des toiles de roues ferroviaires sous sollicitations multi-paramètres à amplitude variable. Micro et nanotechnologies/Microélectronique. Université Paris-Saclay, 2016. Français. ⟨NNT : 2016SACLX109⟩. ⟨tel-01628281⟩

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