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Academic literature on the topic 'Modélisation par portique équivalent'
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Journal articles on the topic "Modélisation par portique équivalent"
Bernard, Jean-Thomas, François Lessard, and Simon Thivierge. "La demande d’énergie du secteur commercial québécois." Articles 62, no. 1 (January 27, 2009): 5–22. http://dx.doi.org/10.7202/601357ar.
Full textJEBBARI, Abdelilah, and Driss EL ZANATI. "L’anticipation de la défaillance des entreprises clientes des établissements bancaires marocains via la méthode de la régression logistique." International Journal of Economic Studies and Management (IJESM) 1, no. 1 (September 29, 2021): 73–85. http://dx.doi.org/10.52502/ijesm.v1i1.155.
Full textBoudhar, Abdelghani, Lahoucine Hanich, Ahmed Marchane, Lionel Jarlan, and Abdelghani Chehbouni. "Apport des données FORMOSAT2 à la modélisation du contenu en eau du manteau neigeux du Haut Atlas marocain." Revue Française de Photogrammétrie et de Télédétection, no. 204 (April 8, 2014): 51–56. http://dx.doi.org/10.52638/rfpt.2013.21.
Full textHingray, B., C. Bouvier, M. Desbordes, and B. Cappelaere. "Inondations urbaines : un indicateur géométrique caractéristique du comportement hydraulique du bâti." Revue des sciences de l'eau 13, no. 1 (April 12, 2005): 85–100. http://dx.doi.org/10.7202/705383ar.
Full textLewis-Borrell, Luke, Jessica Irving, Chris J. Lilley, Marie Courbariaux, Gregory Nuel, Leon Danon, Kathleen M. O'Reilly, Jasmine M. S. Grimsley, Matthew J. Wade, and Stefan Siegert. "Robust smoothing of left-censored time series data with a dynamic linear model to infer SARS-CoV-2 RNA concentrations in wastewater." AIMS Mathematics 8, no. 7 (2023): 16790–824. http://dx.doi.org/10.3934/math.2023859.
Full textDOREAU, M., R. BAUMONT, and J. M. PEREZ. "Avant-propos." INRAE Productions Animales 24, no. 5 (December 8, 2011): 411–14. http://dx.doi.org/10.20870/productions-animales.2011.24.5.3274.
Full textMorakchi, Karima, Abdellah Hamel, Ali Zazoua, and Rochdi Kherrat. "Caractérisation par spectroscopie d’impédance électrochimique des inhibiteurs de corrosion destinés au circuit de refroidissement." Journal of Renewable Energies 11, no. 3 (September 30, 2008). http://dx.doi.org/10.54966/jreen.v11i3.86.
Full textKrichen, Lotfi, Bruno François, and Abderrazak Ouali. "Modélisation, commande et interaction de deux éoliennes à vitesse variable." Journal of Renewable Energies 10, no. 2 (November 12, 2023). http://dx.doi.org/10.54966/jreen.v10i2.785.
Full textLakrim, Abderrazak, and Driss Tahri. "Etude de la cellule de commutation d’une alimentation à découpage dans le cadre de la compatibilité électromagnétique." Journal of Renewable Energies 17, no. 3 (October 19, 2023). http://dx.doi.org/10.54966/jreen.v17i3.452.
Full textKhezzar, Rafika, Moussa Zereg, and Abdelmalek Khezzar. "Comparaison entre les différents modèles électriques et détermination des paramètres de la caractéristique I-V d’un module photovoltaïque." Journal of Renewable Energies 13, no. 3 (October 25, 2023). http://dx.doi.org/10.54966/jreen.v13i3.206.
Full textDissertations / Theses on the topic "Modélisation par portique équivalent"
Zarzour, Noura. "Modélisation, identification structurelle et estimation du facteur de comportement pour les bâtiments en maçonnerie géo-sourcée dans les zones sismiques." Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ5056.
Full textThe use of new low-carbon construction materials in seismic areas requires the assessment of the structure ductility in order to properly design the building. The lack of accurate structural performance estimation limits the use of green construction materials.A reliable methodology is established for the seismic design of buildings constructed using geo-sourced materials. In particular, a pilot project of compressed earth block (CEB) masonry building in a medium-high seismic hazard zone in Southern France is developed. Starting from the experimental characterization of material mechanical parameters, the seismic design approach focuses on the modal characteristics of the structure, the expected building ductility, and seismic performance assessment in terms of both displacement and force.The equivalent frame model adopted for structural design of load-bearing masonry is validated for two case studies: a rubble stone masonry building and a CEB masonry building. The model validation process consists of the comparison of natural frequencies and mode shapes obtained by both numerical and operational modal analysis. In this context, a measurement campaign provides the structural response to ambient vibrations and then, the modal parameters and structural damping are obtained by structural identification tools. The modal analysis highlights the impact of timber slab stiffness on the dynamic response of masonry buildings. It is shown that a stiffer timber slab with a reinforced topping improves the structural behavior of the masonry structure under seismic loading, yielding to global mode shapes.The stability verification of the building structure at the near collapse limit state is performed in terms of target to capacity displacement ratio, but it is suggested to verify also in terms of force, since it can be more restrictive in some instances and less dependent on the convergence of numerical procedures.The behavior factor in seismic codes for building design is defined for typical construction materials based on damage observation and numerical models. A specific assessment is needed when new construction materials are adopted because building codes provide only boundary values. This thesis proposes a procedure for estimating the behavior factor that is applied to geo-sourced masonry buildings, but it could be adopted for any construction material. The methodology proposed to estimate the force reduction factor, and then the behavior factor, integrates both the seismic demand and building capacity. For this reason, this methodology can be considered as a capacity-demand-based approach. A nonlinear quasi-static analysis is coupled with dynamic analyses and the behavior factor is obtained on a statistical basis. The results are compared with the estimations obtained using demand-based, capacity-based and N2-based approaches. The impact of adopting a three-dimensional building model or an equivalent single-degree-of-freedom system with these methodologies is analyzed.The proposed capacity-demand-based-method provides, with a reduced computation time, a reliable estimation of the force reduction factor, close to the values obtained using the capacity-based-approach applied to a three-dimensional building model that is considered as a reference. Consequently, considering their reliability and efficiency, the proposed methodology for the behavior factor estimation is suitable for professional practice
Ringuet, Julien. "Modélisation du rôle de l'innervation dans un équivalent cutané psoriasique reconstruit par génie tissulaire." Master's thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/67938.
Full textRoussel, Jean-Marc. "Analyse de Grafcets par Génération Logique de l'Automate Équivalent." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 1994. http://tel.archives-ouvertes.fr/tel-00340842.
Full textJehel, Pierre. "Modélisation numérique des phénomènes d'amortissement par dissipation d'énergie matérielle dans les structures de type portique en béton armé sous séisme." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2009. http://tel.archives-ouvertes.fr/tel-00477015.
Full textBerot, Maxime. "Modélisation simplifiée d'assemblages par éléments équivalents." Phd thesis, École Nationale Supérieure des Mines de Paris, 2009. http://tel.archives-ouvertes.fr/tel-00443533.
Full textTabaga, Saleh. "Modélisation du comportement fréquentiel du transformateur : détermination des paramètres du schéma équivalent par la méthode des éléments finis en géométries 2D et 3D." Grenoble INPG, 1995. http://www.theses.fr/1995INPG0081.
Full textJamois, Alexis. "Modélisation et réalisation d'absorbants acoustiques par impression 3D : étude en incidence normale et application au traitement d'un conduit." Electronic Thesis or Diss., Ecully, Ecole centrale de Lyon, 2024. http://www.theses.fr/2024ECDL0010.
Full textConventional rigid porous materials such as wools or foams do not provide effective absorption at low frequencies in complex industrial environments. For these applications, the structures developed are generally quarter-wave resonators or Helmholtz resonators. In recent years, 3D printing techniques have made it possible to produce resonator geometries that were previously difficult to produce. The ease of use and affordability of these techniques means that it is now possible to create tailor-made absorbing devices to meet specific requirements very quickly. This long-term objective requires, on the one hand, validation of the reliability of the dimensions obtained during the production of absorbent structures and, on the other hand, the ability to effectively model a variety of geometries in different contexts. In this thesis, stereolithography was chosen to print the samples based on literature results. Studies have concluded that it is more accurate for acoustic devices than other techniques. The geometry chosen for this study consists in a stack of volumes (spherical or cubic), connected in the three directions of space by channels in the image of cubic crystals. A large number of samples were manufactured varying the production parameters in order to measure the variability of the characteristic dimensions of the samples. Among the various modelling approaches presented, the numerical tests carried out led to the choice of equivalent fluid modelling based on the identification of JCAPL parameters. They are identified in a representative volume homogenised throughout the sample. This homogenisation of behaviour is suited to the geometries studied because of their periodic nature. The reaction of the geometries we are considering makes impedance modelling impossible. The samples are first studied at normal incidence, in order to link the variability of realisation to the measured acoustic behaviour. The measurement results and the predictions are in good agreement. Some samples were made specifically for duct wall measurement, in order to validate the use of the equivalent fluid approach. These tests were also used to confirm the conclusions drawn for normal incidence. The variability of the geometry has a real impact on the acoustic behaviour, but the main problem with rigid 3D printed samples is their adaptation to the measurement benches
Rousseau, Philippe. "Influence de la conductivité sur la microbalance à quartz en milieu liquide : mise au point d'un capteur de dépôt induit par effet thermique." Paris 6, 2002. https://tel.archives-ouvertes.fr/tel-01496980.
Full textOuedraogo, Boureima. "Modélisation du rayonnement acoustique dans les guides traités par des matériaux absorbants à réaction localisée ou non localisée en présence d'écoulement par la méthode des éléments finis." Phd thesis, Université de Bourgogne, 2011. http://tel.archives-ouvertes.fr/tel-00674031.
Full textBourjilat, Ayoub. "Étude et conception d’une plateforme microfluidique pour la détection de séquence ADN par spectroscopie d’impédance." Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0343/document.
Full textThe objective of this thesis is the conception of a biosensor able to detect the presence of DNA sequences without any use of chemical markers or a prior treatment of the samples. The measurements are performed using impedance spectroscopy technique to detect the changes caused by the presence of DNA sequences on the biosensor. Our study is based on analytic and numeric simulations, which allows us to define the dimensions of the sensors adapted to low frequency measurements and to propose an equivalent circuit model taking into account the effects of the electrical double layer. The sensor was manufactured in several steps. Initially, clean room design and manufacturing were optimized for interdigitated structures with different geometries and substrate types (Glass, Si, SiO2). The data analysis of the measurement on standard conductivity and on several DNA concentrations using interdigitated electrode biosensor, allows us to propose a new design with concentric electrodes which is more adapted to low frequency impedance measurement according to a comparative study between interdigitated and concentric electrodes