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Academic literature on the topic 'Mécanismes aux foyers'
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Journal articles on the topic "Mécanismes aux foyers"
Dion, Léon. "La polarité des idéologies : conservatisme et progressisme." II. Le pouvoir politique 7, no. 1-2 (April 12, 2005): 23–35. http://dx.doi.org/10.7202/055295ar.
Full textMartinez, Mauricio. "Terrors of Conscience: Thomas Nashe and the Interiorization of Presence." Renaissance and Reformation 36, no. 2 (October 26, 2013): 45–74. http://dx.doi.org/10.33137/rr.v36i2.20167.
Full textDissertations / Theses on the topic "Mécanismes aux foyers"
Ritz, Jean François. "Evolution du champ de contraintes dans les Alpes du Sud depuis la fin de l'Oligocène : implications sismotectoniques." Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 1991. http://tel.archives-ouvertes.fr/tel-00805088.
Full textFuenzalida, Velasco Amaya. "Répliques des séismes de Tocopilla 2007 (Mw 7. 6) et Maule 2010 (Mw 8. 8) : implications pour la subduction chilienne." Paris, Institut de physique du globe, 2013. http://www.theses.fr/2013GLOB0702.
Full textJimenez, Encarnacion. "Etude des mécanismes au foyer à partir d'une station unique : application aux domaines euro-méditérranéen et sud-ouest Pacifique." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13241.
Full textMohammedi, Hamdane. "Contribution à la localisation des événements et l'identification des mécanismes au foyer en micro-sismicité induite par l'exploitation d'hydrocarbures : utilisation de modèles de frottement dynamique." Châtenay-Malabry, Ecole centrale de Paris, 2002. http://www.theses.fr/2002ECAP0873.
Full textFranzelli, Benedetta Giulia. "Impact de la description chimique dans la Simulation Numerique Directe et la Simulation aux Grandes Echelles pour la combustion turbulente des foyers aéronautiques." Phd thesis, Institut National Polytechnique de Toulouse - INPT, 2011. http://tel.archives-ouvertes.fr/tel-00662813.
Full textGodano, Maxime. "Etude théorique sur le calcul des mécanismes au foyer dans un réservoir et application à la sismicité de la saline de Vauvert (Gard)." Phd thesis, Université de Nice Sophia-Antipolis, 2009. http://tel.archives-ouvertes.fr/tel-00410768.
Full textL'inversion double-couple et l'inversion du tenseur des moments sont testées sur quatre séismes induits dans le réservoir géothermique de Soultz-sous-Forêts. Les mécanismes obtenus sont en accord avec ceux déterminés par Charléty et al. 2007.
La méthode d'inversion est appliquée à la sismicité de la saline de Vauvert enregistrée par un réseau permanent de deux stations 3-composante. Dans un premier temps, la méthode est testée sur 15 séismes enregistrés durant le déploiement temporaire d'une antenne de quatre capteurs 3-composante. La comparaison entre l'inversion utilisant les deux stations permanentes et l'antenne temporaires et l'inversion utilisant seulement les deux stations permanentes montre des mécanismes au foyer double-couple identiques pour les séismes localisés entre les deux stations permanentes. Dans un deuxième temps, la méthode est appliquée à un essaim de sismicité. Les mécanismes au foyer obtenus pour 532 évènements, indiquent pour la majorité une rupture le long de fractures sub-verticales NE-SW, interprétée comme de probables ruptures sur les plans stratigraphiques des bancs d'insolubles intercalés dans la formation de sel.
Bellou, Magalie. "Analyse sismotectonique de la zone sismique sud-islandaise." Paris 6, 2006. http://www.theses.fr/2006PA066443.
Full textIn southern Iceland, the South Iceland Seismic Zone (SISZ) is an E-W trending, left-lateral active transform zone at latitude 64°N. The SISZ is approximately 20-30 km wide and 70-80 km long. The last major seismic crisis recorded in the SISZ occurred in June 2000. A first major event occurred on June 17th, 2000 (Mw= 6. 5) and was followed by a second event on June 21st, 2000. The mass inversion aimed at to identifying the seismotectonic stress regimes that best account for the whole set of data. The inversion reveals consistent orientations, for both a primary strike-slip regime with NE-SW compression and NW-SE extension and a secondary strike-slip regime with NW-SE compression and NE-SW extension. A simple permutation, or switch, occurs between the extreme stress axes of these two regimes (maximum and minimum principal stresses), so that they should be considered as mechanically ‘opposite’. The study of the space and time evolution of the two stress regimes, at the regional scale of the SISZ, indicates that the corresponding earthquakes are highly intricate in space and time. This suggests that the secondary regime does not correspond to distinct regional seismotectonic mechanisms but mainly results from the effects of elastic rebound, stress drop and fluid migration. However, despite homogeneity revealed in the first approximation by the stress analysis of the whole SISZ, the study of stress tensors at a local scale around the faults reveals some interesting spatial variations. The results indicate a larger average deviation of the stress between 5 to 10 km, up to about 40 degrees instead of about 20 degrees at shallower depths. This difference in angular dispersion may be attributed to an effect of the higher fluid pore pressure beneath the depth of about 5 km. The three-dimensional structural analysis of the push-up structures reveals the amount of displacement along earthquake strike-slip faults and indicates similar values for each fault in a range of 1. 1-1. 6 m. The determinations of the magnitudes from co-seismic displacement evaluation demonstrate that in the past, the earthquakes may have reached magnitude equal to 7 or more in the SISZ. The proximity of the Icelandic Mantle Plume, marked by a positive thermal anomaly, certainly affected the rheology of the upper lithosphere and hence the structural development of the transform deformation zone. Simple shear probably prevails within a 20 km wide corridor, with a typical pattern of brittle deformation in the uppermost crust and a more pervasive deformation in the underlying, partly viscous layer. The block faulting at the surface is quite consistent with a Riedel type distribution. Both the fault distribution and the effective block dimensions are consistent with a simple structural evolution model
Balestra, Julien. "Caractérisation de la source des séismes par inversion des données sismologiques et géodésiques : mécanismes au foyer, optimisation des modèles de vitesse, distribution du glissement cosismique." Thesis, Université Côte d'Azur (ComUE), 2017. http://www.theses.fr/2017AZUR4020/document.
Full textStudies of the earthquake source are based on observations of seismic ground motions. They also depend on the quality and the density of measurements. In this present work we will present studies of the determination of focal mechanism of main aftershocks of the Les Saintes (MW 6.4, 2004) earthquake, and the determination of the coseismic slip of the L’Aquila (MW 6.3, 2009), the Miyagi-Oki (MW 7.2, 2005), ant the Sanriku-Oki (MW 7.3, 2011) earthquakes. These studies were based on two inversion methods. Different kinds of data were available (strong motion, broadband teleseismic, GPS and InSAR) depending on the earthquake studied. But the multiplicity of data is not sufficient to well describe rupture process. There are others difficulties as the data modeling of strong motion. Seismic velocity models are used to describe the characteristics of layers crossed by seismic waves. The quality of the modeling is depending on the pertinence of these seismic velocity models. The description of the rupture process is also depending on the non-uniqueness of the best solution given by global inversion methods. We propose two procedures in order to take into account these two classic issues. First, we developed a velocity model exploration procedure to obtain optimized 1D velocity models in order to improve the strong motion modeling of the L’Aquila earthquake. Then we developed a procedure to build an average rupture model from the combined results of several joint inversions, which was applied to the L’Aquila, the Miyagi-Oki, and the Sanriku-Oki earthquake. This thesis presents all these works and answers to the raised issues
Harjono, Hery. "Géodynamique du Détroit de la Sonde, Indonésie : apports des données de microsismicité et implications volcanologiques." Paris 11, 1988. http://www.theses.fr/1988PA112373.
Full textBeldjoudi, Hamoud. "Modélisation de la source des séismes par inversion des données sismologiques et géodésiques : application aux séismes du Nord de l’Algérie." Thesis, Université Côte d'Azur (ComUE), 2017. http://www.theses.fr/2017AZUR4053/document.
Full textStudies of the earthquake source are based on observations of seismic and static ground motions, which depend on the quality and the density of measurements. In this thesis, we present studies of the determination of the focal mechanism of the Tadjena (Mw 5.0, 2006), Béni-Ilmane (Mw 5.5, 2010), Hammam Melouane (Mw 5.0, 2013), Bordj-Ménaïel (Mw 4.1, 2014), Alger (Mw 5.7, 2014) and M’ziraa (Mw 5.1, 2016) earthquakes, by modeling waveforms in the near and regional field with broadband and strong motion stations of the Algerian Digital Seismic Netwok (ADSN). In addition, we determined the coseismic slip distribution of the Boumerdes-Zemmouri earthquake (Mw 6.8, 2003) by inverting a most comprehensive set of data (teleseismic, strong motion, GPS, InSAR, coastal uplift). We calculated the Coulomb Failure Function between the Boumerdes-Zemmouri earthquake (source fault) and the Hammam Melouane, Bordj Ménaïel and Algiers (Mw 5.7, 2014) events (receiver faults). We computed the stress tensor in different regions of Algeria obtained from the inversion of the available focal mechanisms