Academic literature on the topic 'Mécanique du contact – Environnement'
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Journal articles on the topic "Mécanique du contact – Environnement"
Perret, Damien, Jean-Paul Garandet, and Alain Jeanroy. "Amortissement visqueux d'un résonateur mécanique en environnement gazeux." Comptes Rendus Mécanique 331, no. 5 (May 2003): 331–36. http://dx.doi.org/10.1016/s1631-0721(03)00084-6.
Full textGrotz, Reinhold, and Boris Braun. "Innovation et intégration régionale: le rôle des réseaux manufacturiers dans l'industrie allemande d'ingénierie mécanique." Revue internationale P.M.E. 9, no. 3-4 (February 16, 2012): 37–65. http://dx.doi.org/10.7202/1008267ar.
Full textRandriambololona, Hery, Frédéric Dubois, and Christophe Petit. "Modélisation du comportement mécanique différé du bois en environnement variable." Revue Française de Génie Civil 6, no. 7-8 (January 2002): 1333–57. http://dx.doi.org/10.1080/12795119.2002.9692412.
Full textDouarche, Carine, Virginie Bailleux, Catherine Even, Jean-Marc Allain, Christophe Regeard, and Éric Raspaud. "La mécanique des biofilms à la surface de liquides." Reflets de la physique, no. 56 (January 2018): 20–24. http://dx.doi.org/10.1051/refdp/201856020.
Full textScheibert, Julien, Georges Debrégeas, and Alexis Prevost. "Mécanique du contact rugueux et perception tactile." Reflets de la physique, no. 16 (October 2009): 17–19. http://dx.doi.org/10.1051/refdp/2009018.
Full textMège, René Marc, and Benoit Ladoux. "De l’irruption de la mécanique dans la chimie du vivant." médecine/sciences 34, no. 11 (November 2018): 963–71. http://dx.doi.org/10.1051/medsci/2018241.
Full textRieusset-Lemarié, Isabelle. "Les corps au cinéma à l’épreuve de la 3D : immersion, distanciation et empathie." Figures de l'Art. Revue d'études esthétiques 26, no. 1 (2014): 321–33. http://dx.doi.org/10.3406/fdart.2014.1646.
Full textAlart, Par P. "Méthode de Newton généralisée en mécanique du contact." Journal de Mathématiques Pures et Appliquées 76, no. 1 (January 1997): 83–108. http://dx.doi.org/10.1016/s0021-7824(97)89946-1.
Full textOlive, F., A. Waintal, J. L. Buévoz, and J. C. Reynaud. "Mesure de profils sans contact mécanique par interférométrie acoustique." Journal de Physique III 2, no. 10 (October 1992): 1957–66. http://dx.doi.org/10.1051/jp3:1992217.
Full textBonin, Hubert. "Ford industriel en Aquitaine : la fin d’un demi-siècle d’histoire (1969-2019) ?" Cinquante ans de désindustrialisation, no. 1 (January 1, 2019): 117–32. http://dx.doi.org/10.57086/rrs.86.
Full textDissertations / Theses on the topic "Mécanique du contact – Environnement"
Kaiser, Anne-Laure. "Caractérisations tribologiques d'un acier inoxydable y sollicité en impacts-glissement dans un environnement sévère." Ecully, Ecole centrale de Lyon, 2005. http://bibli.ec-lyon.fr/exl-doc/TH_T2055_alkaiser.pdf.
Full textSpecific wear of rod cluster control assemblies in pressurized water nuclear reactor (PWR) results from contacts with their guides due to flow-induced vibration. Particular sliding impact contact conditions and specific environment in PWR coupling temperature and solution chemistry involve original mechanism of wear (high wear kinetics, particular wear scars made of numerous indent-like marks with no apparent work hardening in subsurface). Specific tribometers has been developed to reproduce sliding-impacts kinematics in conditions simulating the primary PWR coolant. Primary, a mechanical model of the specific test bench associated to a theorical analysis of sliding impacts lead to determine that asperity stiffnesses control the contact (duration of sliding-impact). Numerous and various wear tests were realized in order to study the influence of the sliding-impact parameters on wear loss and wear facies. An analogy with erosion was done and critical conditions concerning friction coefficient and incidence angle values leading to no wear were found. At least, some surface and subsurface characterizations reveal the presence of a microscopic work hardening under worn surfaces and the existence of singular foliated zones. Thanks to all this work, a mechanical interpretation of indent-like marks formation is proposed
Motamedi, Nikzad. "Vers la prédiction et la compréhension des effets tribologiques sur les performances systèmes par l'intelligence artificielle." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILN011.
Full textThe contact between two parts, especially when it is induced as in braking systems, needs to be improved and therefore to be better understood. The phenomena involved are complex because they involve multi-scale, multi-physics concepts in a context of constant evolution. An additional difficulty is that the contact is closed, and therefore it is difficult to explicitly observe the interface phenomena that play a major role in the targeted performances (noise pollution, emission of fine particles, wear etc.). In view of the European environmental standards which will be increasingly severe, it is essential to establish new strategies to better understand the problem in its entirety. The team wishes to move towards the coupling of numerical and experimental methods. The "experiment" part is based on dedicated test benches with a rich and fine instrumentation. The "numerical" part is based on multi-scale and multi-physics modeling trying to consider tribological mechanisms within a complete system. One difficulty is to compare (realign) these two parts.Thus, the objective of this PhD thesis is to propose predictive models linking the contact interface with the complete system through artificial intelligence. In the first step, we will try to determine the natural frequencies of a pin-on-disk system by considering any surface for the interface. More precisely, this interface will present a roughness field that will be generated numerically. In the second step, an AI model is developed to predict the contact distribution during a test. This part is based on measurements of a thermocouple array embedded in the near surface friction material during the tests. In the third step, based on experimental acquisitions of the surface profile at different times, a model is proposed to determine the evolution of wear. The AI models specifically developed for these three parts use algorithms such as CNN, GAN, RNN etc. These concepts are not common in the mechanical community, they are illustrated on a simple example of behavior identification in the preamble of this manuscript. In terms of results, the obtained results are very satisfactory when compared to simulation and/or experimental data. This confirms the interest of using AI in order to pass a milestone in the prediction of models. Moreover, AI also allows the understanding and the importance of the input parameters which could be used in the medium term to optimize the system or to drive the tests
Scheibert, Julien. "Mécanique du contact aux échelles mésoscopiques." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2007. http://tel.archives-ouvertes.fr/tel-00172935.
Full textLa mesure MEMS a permis d'obtenir les champs de contrainte sous charge normale et en glissement stationnaire, en très bon accord avec des modèles mécaniques simples. Pour des substrats de rugosité périodique le lien entre spectre des contraintes et topographie de surface a pu être interprété en termes de filtrage spectral, pertinent pour comprendre la perception tactile.
La mesure optique a permis, en analysant la répartition spatiale de l'intensité, d'obtenir le champ de pression de surface. Sa dépendance avec les propriétés de la couche rugueuse a été confrontée au modèle de Greenwood-Tripp. Par suivi des aspérités, le champ de déplacement a été mesuré avec une résolution sub-micronique et a mis en évidence la coexistence de zones glissantes et adhérentes prédite par Cattaneo et Mindlin.
Matei, Andaluzia Cristina. "Modélisation mathématique en mécanique du contact." Perpignan, 2002. http://www.theses.fr/2002PERP0453.
Full textThe aim of this thesis is the study of some boundary value contact problem, with or without friction, between a body and a foundation. We consider the case of small deformations and we study quasistatic process for elastic, viscoelastic and viscoplastic materials. The results obtained concern the existence and uniqueness of weak solutions as well as the behaviour of the viscoelastic solutions as the viscosity converges to zero. The thesis is structured in four parts. In the first part we present the different mechanical models and we recall some tools of functional analysis. The second part is devoted to the study of viscoelastic frictionless contact problems with normal compliance and Signorini condition. In the third part, we are interested in the study of antiplane problems with Tresca's friction, for linearly elastic and viscoelastic materials. Finally, the fourth part is devoted to the study of viscoplastic contact problems with normal damped response and friction
Laruelle, Sandrine. "Etude du comportement thermique d'un motoréducteur." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEI061/document.
Full textEnvironmental concern leads to improvements in both efficiency and power density of electrical motors. For compact transmissions, thermal issues can become critical: the surface available for thermal exchange with the environment is reduced, minimizing the possibility to cool down the elements. To ensure the system reliability, the operating temperature for each operating condition must not exceed the required maximum oil temperature. In order to evaluate its thermal behavior, the whole system should be therefore evaluated in terms of power losses and heat transfer. This PhD proposes a thermal model of an existing oil bath lubricated gear unit with spiral bevel gears. The thermal model uses the thermal network method, which needs an accurate prediction of power losses of the different elements and heat transfer between them. A review of the existing methods is presented. Since the churning losses of spiral bevel gears has never been fully characterized, specific tests have been done on a dedicated test bench. The last part of this work suggests possible improvements on the gearbox design
Mrad, Hatem. "Simulation probabiliste du problème de contact mécanique." Compiègne, 2008. http://www.theses.fr/2008COMP1744.
Full textIn a classical finite element model, physical and material properties as well as the boundary conditions are generally considered as being deterministic and constant in a statistical sense. With this observation in mind, the validity of the solution obtained from such a model could be questionable. However, accepting that the laws of physics evolve randomly raises many questions. To address them, this research project will use the stochastic finite element method to study some academic and industrial applications to analyze the effect of random variation of the parameters of these laws on the solution. The discretization is a key step of this method which contributes to the construction of the matrix system. After applying conditioning technique, it’s possible to build the finite element response after resolution. When the probability is associated with some parameters which constitute this system, then only the finite element discretization is no longer sufficient to produce the new matrix system which has random or stochastic process not already included in the equations. The use of the stochastic finite element method provides the way to include adequate probabilistic technique to makes an efficient reliability and a probabilistic study of the mechanical contact problem
Dubois, Frédéric. "Contact, frottement, grandes déformations élastoplastiques : application à l'emboutissage." Aix-Marseille 2, 1994. http://www.theses.fr/1994AIX22094.
Full textTaub, Raphaelle. "Assemblages d'objets élancés : mécanique et effets de contact." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASP021.
Full textAn object is said to be slender if at least one of its dimensions is small compared to the others. This characteristic makes it possible to impose important deformations on it while remaining in the elastic domain. If we assemble several of these objects, predicting the mechanical response of the assembly requires taking into account contact effects including friction and adhesion. In this thesis, we study two kind of assemblies. The first one is ensemble of plates and the second one of beams. We study in the first part two booklets whose pages are inserted two by two, a type of assembly that has become popular for the impressive results it produces when made with phonebooks. We have characterized the origin of the force that keeps the two booklets interleaved. In the second part we study the compression of a bundle of fibers connected by their ends. We also discuss the link between these experiments and the physics of painting
Oliveira, Seabra Jorge. "Influence de l'ondulation des surfaces sur le comportement des contacts hertziens secs ou lubrifies." Lyon, INSA, 1988. http://www.theses.fr/1988ISAL0018.
Full textZaghdoudi, Siham. "Analyse des phénomènes d'usure par choc et frottement." Paris 6, 1992. http://www.theses.fr/1992PA066639.
Full textBooks on the topic "Mécanique du contact – Environnement"
Contact mechanics. Cambridge [Cambridgeshire]: Cambridge University Press, 1989.
Find full textL, Johnson K. Contact mechanics. Cambridge [Cambridgeshire]: Cambridge University Press, 1987.
Find full textL, Johnson K. Contact mechanics. Cambridge [Cambridgeshire]: Cambridge University Press, 1985.
Find full textRousseau, David. Guide d'équipement mécanique pour un environnement intérieur sain. Ottawa, Ont: Société canadienne d'hypothèques et de logement, 2000.
Find full textWeimin, Han, and Shillor M, eds. Analysis and approximation of contact problems with adhesion or damage. Boca Raton: Chapman & Hall/CRC, 2006.
Find full textJiří, Janušek, and Krbec Miroslav 1950-, eds. Unilateral contact problems: Variational methods and existence theorems. Boca Raton: Chapman & Hall/CRC Press, 2005.
Find full textInternational Congress on Environmental Geotechnics (1st 1994 Edmonton, Alta.). Proceedings of the First International Congress on Environmental Geotechnics: July 10-15, 1994, Edmonton, Alberta, Canada. Edited by Carrier W. David, Canadian Geotechnical Society, and International Society of Soil Mechanics and Foundation Engineering. Richmond, B.C: BiTech Publishers, 1994.
Find full textDavid, Carrier W., International Society for Soil Mechanics and Foundation Engineering., and Canadian Geotechnical Society, eds. Proceedings of the First International Congress on Environmental Geotechnics: Edmonton, 11-15 July 1994. Richmond, B.C: BiTech, 1994.
Find full textN, Chowdhury R., ed. Geomechanics and water engineering in environmental management. Rotterdam, Netherlands: A.A. Balkema, 1992.
Find full textNobles, esclavos, laboríos y macehuales: Los nuevos súbditos indianos del rey. Ciudad de México: Universidad Nacional Autonoma de Mexico, Instituto de Investigaciones Históricas, 2021.
Find full textBook chapters on the topic "Mécanique du contact – Environnement"
Craveur, Jean-Charles, and Philippe Jetteur. "Chapitre 12. Contact." In Introduction à la mécanique non linéaire, 223–46. Dunod, 2020. http://dx.doi.org/10.3917/dunod.crave.2020.01.0223.
Full textYASTREBOV, Vladislav A. "Méthodes numériques en contact micromécanique." In Modélisation numérique en mécanique fortement non linéaire, 87–145. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9081.ch3.
Full textCHOULY, Franz, Patrick HILD, and Yves RENARD. "Méthodes de lagrangien et de Nitsche pour le contact avec frottement." In Modélisation numérique en mécanique fortement non linéaire, 7–52. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9081.ch1.
Full textAVANZINI, A. "Un Exemple de Langues en Contact Les Inscriptions Sud-Arabes D’Èthiopie." In L'Arabie préislamique et son environnement historique et culturel, 469–78. BRILL, 1989. http://dx.doi.org/10.1163/9789004671973_029.
Full textConference papers on the topic "Mécanique du contact – Environnement"
Ropital, F. "Mécanismes et mécanique des interactions plasticité - environnements. Cas de l'industrie pétrolière." In PlastOx 2007 - Mécanismes et Mécanique des Interactions Plasticité - Environnement. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/ptox/2009019.
Full textPriester, L. "Structures et défauts de structure des joints de grains." In PlastOx 2007 - Mécanismes et Mécanique des Interactions Plasticité - Environnement. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/ptox/2009005.
Full textPriester, L. "Physico-chimie des joints de grains : ségrégation - précipitation." In PlastOx 2007 - Mécanismes et Mécanique des Interactions Plasticité - Environnement. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/ptox/2009006.
Full textViguier, B. "Plasticité : rappels de base et aspects microscopiques." In PlastOx 2007 - Mécanismes et Mécanique des Interactions Plasticité - Environnement. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/ptox/2009002.
Full textMonnet, G., and S. Queyreau. "Simulation multiéchelle : dislocations de l'échelle atomique à l'échelle continue." In PlastOx 2007 - Mécanismes et Mécanique des Interactions Plasticité - Environnement. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/ptox/2009003.
Full textDomain, C. "Outils de simulation à l'échelle atomique pour traiter la chimie et la plasticité." In PlastOx 2007 - Mécanismes et Mécanique des Interactions Plasticité - Environnement. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/ptox/2009004.
Full textTanguy, D., and E. Vamvakopoulos. "Lacunes surabondantes dans les systèmes métal-hydrogène et endommagement des joints de grains : simulations atomiques." In PlastOx 2007 - Mécanismes et Mécanique des Interactions Plasticité - Environnement. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/ptox/2009007.
Full textCailletaud, G. "Une introduction à la plasticité cristalline interactions avec l'environnement." In PlastOx 2007 - Mécanismes et Mécanique des Interactions Plasticité - Environnement. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/ptox/2009008.
Full textAmmar, K., B. Appolaire, G. Cailletaud, F. Feyel, and S. Forest. "Formulation éléments finis des modèles de champ de phases basée sur la théorie de l'équilibre des microforces." In PlastOx 2007 - Mécanismes et Mécanique des Interactions Plasticité - Environnement. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/ptox/2009009.
Full textChêne, J. "L'hydrogène dans les matériaux métalliques en relation avec les interactions plasticité-environnement." In PlastOx 2007 - Mécanismes et Mécanique des Interactions Plasticité - Environnement. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/ptox/2009010.
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