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Статті в журналах з теми "Modélisation des déformations"
Galopin, Nicolas, Karim Azoum, M. Besbes, Frédéric Bouillaut, Laurent Daniel, Olivier Hubert, and Francisco Alves. "Caractérisation et modélisation des déformations induites par les forces magnétiques et par la magnétostriction." Revue internationale de génie électrique 9, no. 4-5 (October 30, 2006): 499–514. http://dx.doi.org/10.3166/rige.9.499-514.
Повний текст джерелаBarboteu, Mikaël, Pierre Alart, and Stéphane Pagano. "Modélisation de problèmes non linéaires de grande taille : grandes déformations et autocontact dans un milieu cellulaire." Revue Européenne des Éléments Finis 11, no. 2-4 (January 2002): 447–61. http://dx.doi.org/10.3166/reef.11.447-461.
Повний текст джерелаSicard, V., J. F. Cubaynes, and G. Pons. "Modélisation des déformations différées des bétons à hautes performances: relation entre le retrait et le fluage." Materials and Structures 29, no. 6 (July 1996): 345–53. http://dx.doi.org/10.1007/bf02486342.
Повний текст джерелаCONSTANT, T. "Modélisation des déformations des pièces de bois au séchage et influence de la structure interne de l'arbre." Revue Forestière Française, S (1995): 141. http://dx.doi.org/10.4267/2042/26705.
Повний текст джерелаHochard, Christian, Cyril Bordreuil, Nöel Lahellec, and Frédéric Mazerolle. "Utilisation de la mesure de champ de déformations pour la modélisation du comportement de plis tissés carbone/époxy." Revue des composites et des matériaux avancés 15, no. 1 (April 23, 2005): 9–18. http://dx.doi.org/10.3166/rcma.15.9-18.
Повний текст джерелаKordjani, M., and P. Y. Hicher. "Influence des déformations intermédiaires (de 10–5 à 10–3) sur la modélisation du phénomène de la liquéfaction." Revue Française de Géotechnique, no. 85 (1998): 3–11. http://dx.doi.org/10.1051/geotech/1998085003.
Повний текст джерелаGaléa, G., P. Ramez, M. J. Adler, and E. Rotaru. "Modélisation statistique des apports de MES associés au régime des crues d’un sous- bassin du Timis-Béga (Roumanie)." Revue des sciences de l'eau 17, no. 4 (April 12, 2005): 471–88. http://dx.doi.org/10.7202/705544ar.
Повний текст джерелаVillemure, I., C. É. Aubin, J. Dansereau, and H. Labelle. "Modélisation biomécanique de la croissance et de la modulation de croissance vertébrales pour l'étude des déformations scoliotiques : étude de faisabilité." ITBM-RBM 23, no. 2 (April 2002): 109–17. http://dx.doi.org/10.1016/s1297-9562(02)80023-7.
Повний текст джерелаDi Donna, Alice, Fabrice Emeriault, Lionel Demongodin, and Jean-François Gobichon. "Aspects géotechniques et énergétiques des géostructures thermoactives : application à un cas d’étude réel." Revue Française de Géotechnique, no. 164 (2020): 4. http://dx.doi.org/10.1051/geotech/2021001.
Повний текст джерелаSarrut, D., D. Perol, P. Pommier, and C. Carrie. "Radiothérapie avec blocage respiratoire pour les grands insuffisants respiratoires atteints d'un carcinome pulmonaire non à petites cellules (Protocole RESPI 2000) : application à la modélisation des déformations d'organes par recalage déformable." Cancer/Radiothérapie 10, no. 6-7 (November 2006): 377–80. http://dx.doi.org/10.1016/j.canrad.2006.08.005.
Повний текст джерелаДисертації з теми "Modélisation des déformations"
Purwodihardjo, Ardie. "Modélisation des déformations différées lors du creusement des tunnels." Ecully, Ecole centrale de Lyon, 2004. http://bibli.ec-lyon.fr/exl-doc/apurwodi.pdf.
Повний текст джерелаSince the past 30 years, the research for estimating an accurate prediction of deformations induced by tunneling has been a major engineering challenge all around the world. The in situ measurements have shown that deformations of the soil on the vicinity of a tunnel show a strong evolution with time. Three essential phenomena, actually, can be related to this evolution : the evolution with time of the distance to the working face, the distance of the lining to the working face and the viscous effets occurring in the soil. The objective of this thesis is to propose a procedure for predicting the deformations induced by tunneling, by taking into account these three essential phenomena, particularly the third phenomenon. Therefore, in this study, a constitutive model for the time-dependent behaviour of cohesive soil has been developed within the framework of elastoplasticity-viscoplasicity and critical state soil mechanics. The consideration of viscoplastic characteristic sets the current model apart from the CJS model, and introduces an additional viscous mechanism. The evolution of the viscous yield surface is governed by a particular hardening called "viscous hardening" with a bounding surface. To describe this procedure and the capability of the model, a comparison between numerical calculations and monitoring the progressive closure of tunnel conducted in the TGV tunnel of Tartaiguille, is performed. The finite difference software, Fast Lagrangian Analysis of Continua (FLAC), has been used for the numerical simulation of the problems. The comparison results show that the observed deformations could have been reasonably predicted by using the proposed excavation model
Taverna, Joël. "Modélisation mécanique des déformations de la lithosphère." Grenoble 1, 1998. http://www.theses.fr/1998GRE10084.
Повний текст джерелаSaad, Patricia. "Modélisation et identification du comportement non linéaire des cales en caoutchouc." Ecully, Ecole centrale de Lyon, 2003. http://bibli.ec-lyon.fr/exl-doc/psaad.pdf.
Повний текст джерелаWe develop a numerical model to compute non linear rubber bush response. The objective is to take into account elasticity, damping, and non linear properties in a simple model dedicated to full vehicle modelling simulation. It is therefore important that the constitutive model a accurately capture theses aspects of the mechanical behaviour. To take into account these properties, Finite Element Codes use several complex constitutive laws. All these constituve equations can be integrated in finite element models and many algorithms are developed for this purpose. The main drawback of this procedure is its complexity. The number of dof is too high to be integrated in a vehicle study. Our work aims at giving a simplified approximation of the force as a function of the displacement and its derivatives, starting from a microscopic constitutive equation. Starting from a finite element model and a constutive law, we want to generate an equivalent rheological model, with a few dof. This model aims at predicting the frequency response of the bush, function of its geometry, of the load, of the parameters of the constitutive law. To do so, we approximate the displacement as a linear combination of admissible kinematic displacement fields, according to the Rayleigh-Ritz approximation. Hyperelastic models are used to fit on linear quasi static force deflection curves. Viscoelastic constitutive laws are also developped. In order to predict amplitude dependency observed when we measure steady state harmonic response, we use a Volterra development of the stress strain constitutive equation. To take into account preload effects, we linearize a viscohyperelastic model. The predictions of these models are compared to experimental data
Ghetreff, Taoufik. "Modélisation du comportement élasto-viscoplastique en grandes déformations." Lille 1, 1999. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1999/50376-1999-229.pdf.
Повний текст джерелаSellier, Nicolas. "Modélisation expérimentale des interactions entre déformations salifères et sédimentation turbiditique : une nouvelle approche expérimentale appliquée aux déformations des corps salifères allochtones." Thesis, Lille 1, 2011. http://www.theses.fr/2011LIL10172/document.
Повний текст джерелаSalt-bearing passive margin with large clastic sediment supply are characterized by gravity-driven tectonics that deforms the sedimentary overburden and the underlying salt. These deformations are controlled along the continental rise by the differential loading generated by the deposition of turbidite fan (gravity spreading). Locally, along mature margin, extrusion of evaporites form allochthonous salt nappes (tens kilometres long) that are remobilized and deformed by the deposition of turbiditic lobes. Two end-members are recognized: the stepped counterregional structural style, which is dominated by subsidence of the sedimentary cover and distal salt extrusion. The roho structural style, which is dominated by lateral translation accommodated by several extensional structures.We designed a completely new kind of experimental apparatus for studying the interaction between sedimentation and salt tectonics along passive margin. Our device combines two approaches that are traditionally distinct: (1) the stratigraphic approach aiming to simulate sediment transport and deposition, and (2) the tectonic approach focusing on the deformation of the salt and its sedimentary cover. Thus, the tectono-stratigraphic basin built during this PhD work allows the modelling of turbiditic transport and deposition processes, as well as, salt-related deformations induced by differential loading of a mobile salt substratum at regional (gravity spreading) or local (allochthonous salt bodies remobilization)
Chardon, Dominique. "Les Déformations Continentales Archéennes : Exemples naturels et modélisation thermomécanique." Phd thesis, Université Rennes 1, 1996. http://tel.archives-ouvertes.fr/tel-00619433.
Повний текст джерелаLiu, Xiao Jing. "Modélisation des grandes déformations élasto-plastiques de coques axisymétriques." Compiègne, 1992. http://www.theses.fr/1992COMPD513.
Повний текст джерелаDumais, Simon. "Modélisation de la consolidation au dégel à grandes déformations." Doctoral thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/37552.
Повний текст джерелаThis thesis presents the development of an engineering method for the modelling of large strain nonlinear thaw consolidation. The work presented herein follows existing thaw consolidation theories and models. The foundations of one-dimensional thaw consolidation theory are therefore used. First, a numerical model for large strain nonlinear thaw consolidation is formulated by combining the Gibson large strain consolidation theory to heat transfer equations. The two components are coupled in a modelling domain formulated in Lagrangian coordinates that adapts to the soil deformation. This results in the introduction of a second moving boundary at the soil surface to model thaw consolidation in addition to the moving boundary at the thaw front. The model uses nonlinear σʹv – e – kv relationships to define the properties of thawed soils. A case study of the Inuvik experimental pipeline with the numerical model is presented. The case study demonstrates the use of the model for a practical problem and it is used to validate the model. The modelling results are compared to the results obtained with the small strain linear thaw consolidation theory and with the field data. The results obtained with the large strain nonlinear model for thaw settlement, the rate of thaw settlement and the excess pore pressures compare favourably with the field data. Second, a conceptual model for thaw consolidation of thawed fine-grained soils is proposed. The model is used to define the characteristics of the nonlinear σʹv – e – kv relationships used as input for the numerical modelling of thaw consolidation. The concept of the residual stress is generalized to ice rich soils by specifying that it is the effective stress within the soil element rather than the effective stress of the bulk soil. Then, empirical relationships are formulated to determine the characteristics of the σʹv – e – kv relationships as a function of the initial thawed void ratio and soil index properties.
Zenasni, Mohammed. "Caractérisation expérimentale et modélisation du comportement du cuivre en grandes déformations : sensibilité à la vitesse." Metz, 1992. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/1992/Zenasni.Mohammed.SMZ9234.pdf.
Повний текст джерелаThe subject of the thesis was to analyse the rate sensitivity of polycrystalline copper at large strains, order of 300 % in shear. This subject has not been so far explored and literature sources are extremely limited. On the other hand there is a great interest in including the rate effects in constitutive modelling. The torsional Hopkinson Bar (Kolsky apparatus) has been used to study the rate affects at high strain rates. At lower strain rates in shear than 300 s-1, a fast torsion machine was also employed. New computer programs developed in this purpose permitted for complete analyses of the shear stress vs. Shear strain curves at different strain rates. Tests with changes of strain rate have also been performed and the results studied within the framework of constituve modelling based on evolution of the mean dislocation densites. In general, application of the constitutive formalism based on evolution of microstructure and thermal activation (rate sensitivity of strain hardening and instantaneous rate sensibility) gave good results in modelling and comparison with experimental data
Carcan, Alain. "Modélisation des grandes déformations axisymétriques de membranes minces hyperélastiques incompressibles." Compiègne, 1985. http://www.theses.fr/1985COMPS134.
Повний текст джерелаЧастини книг з теми "Modélisation des déformations"
CHOULY, 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.
Повний текст джерелаDOMINGUEZ, Stéphane. "Modélisation analogique du cycle sismique et de la dynamique des séismes." In Le cycle sismique, 327–46. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9038.ch12.
Повний текст джерелаCAYOL, Valérie, Aline PELTIER, Jean-Luc FROGER, and François BEAUDUCEL. "La surveillance de la déformation des volcans." In Aléas et surveillance de l’activité volcanique 2, 103–76. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9045.ch2.
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