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Maîtrise de l'assemblage et des exigences fonctionnelles des systèmes hyperstatiques déformables : application aux outils de mesures pour forage pétrolier

Abstract : This research is carried out within a CIFRE doctoral thesis in collaboration between Schlumberger and the LURPA of ENS Cachan. Schlumberger is an oil service company. It develops measurement tools operating under severe conditions of high temperature and pressure but also dynamic effects such as accelerations producing shocks between the different parts.The objective of the thesis is to deploy new dimensioning and tolerancing rules for deformable hyperstatic assemblies, based on the CLIC method and the ISO standards. The deformation of the parts greatly depends on the geometrical defects. We have coupled 3D dimension chains with beam models to optimize tolerances. These models must allow the taking into account of the assembly clearances between parts, their rigidity and the different types of contact between the subassemblies of the studied tools.These multi-physical models allowed to characterize the mechanical behavior as a function of the geometrical deviations of parts. Finally, for more complex studies, finite element models and simulations on Abaqus were carried out and then validated by an experimental campaign of impact behavior.
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https://tel.archives-ouvertes.fr/tel-01532118
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Submitted on : Friday, June 2, 2017 - 2:45:07 PM
Last modification on : Saturday, June 25, 2022 - 10:24:38 PM
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  • HAL Id : tel-01532118, version 1

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Oussama Rouetbi. Maîtrise de l'assemblage et des exigences fonctionnelles des systèmes hyperstatiques déformables : application aux outils de mesures pour forage pétrolier. Génie mécanique [physics.class-ph]. Université Paris-Saclay, 2017. Français. ⟨NNT : 2017SACLN014⟩. ⟨tel-01532118⟩

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