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Статті в журналах з теми "Ondes sonores – Modèles mathématiques":
Bournet, P. E., D. Dartus, B. Tassin, and B. Vincon-Leite. "Ondes internes du lac du Bourget: analyse des observations par des modèles linéaires." Revue des sciences de l'eau 9, no. 2 (April 12, 2005): 247–66. http://dx.doi.org/10.7202/705252ar.
Дисертації з теми "Ondes sonores – Modèles mathématiques":
Chati, Farid. "Diffusion acoustique par des objets cylindriques comportant un matériau viscoélastique." Le Havre, 1998. http://www.theses.fr/1998LEHA0014.
Elghaouty, Ahmed. "Contribution à la modélisation de la diffusion acoustique dans le domaine temporel par la méthode des équations intégrales." Lille 1, 1998. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1998/50376-1998-195.pdf.
Chadli, Lalla Saâdia. "Modélisation numérique de la diffusion d'une onde acoustique par un dièdre immergé dans un fluide : théorie et comparaison avec les résultats expérimentaux." Lyon 1, 1994. http://www.theses.fr/1994LYO10083.
Hladky, Anne-Christine. "Application de la méthode des éléments finis à la modélisation de structures périodiques utilisées en acoustique." Lille 1, 1990. http://www.theses.fr/1990LIL10042.
Baillard, André. "Influence de raidisseurs longitudinaux sur la diffusion acoustique par un tube : théorie et expérience." Le Havre, 2000. http://www.theses.fr/2000LEHA0001.
Planeau, Vincent. "Présentation de trois méthodes d’extrapolation au champs libre des mesures acoustiques effectuées en milieu confiné." Compiègne, 1986. http://www.theses.fr/1986COMPI218.
Ferrari, Maxence. "Study of a biosonar based on the modeling of a complete chain of emission-propagation-reception with validation on sperm whales." Thesis, Amiens, 2020. http://www.theses.fr/2020AMIE0006.
The sperm whale, Physeter macrocephalus, posses the largest biosonar in nature. Made of multiple oil sac, the sperm whale sonar is tailored to function from the sea surface down to a depth of 2 kilometers, emitting click as loud as 236 dB, and is multipurpose, as it produces clicks for either echolocation or socializing. However, the liquid wax that composes is sonar, made the sperm whales the target of whaling until 1986, when the remaining population was far too small to remain commercially viable, especially with the arrival of similar products from the petrochemical industry. The sperm whale population still faces some human threats, with the ingestion of plastic and collision with boats continuing to take a toll on the sperm whale population. Studying sperm whales thus aport outcomes in multiple fields, in conservation, ethology, as well as in bioacoustics. Understanding the mechanism that rules the sperm whale sonar will help to study those other fields, as it is a key element in the sperm whale life. Aiming for that goal, this thesis analyzed three databases with distinct characteristics, obtaining the trajectory of sperm whale dives. Clicks were also linked with the sperm whale that emitted them over multiple years of recording for the same population. A simulation of propagation wave through the sperm whale head was also developed to better understand the complex mechanism of this sonar. Finally, a coupling method was developed to improve the parameters of the simulation using the recorded clicks from the aforementioned databases
Chami, Amine. "Étude numérique et expérimentale de l'écoulement accéléré autour d'un cylindre circulaire." Le Havre, 1997. http://www.theses.fr/1997LEHA0007.
Bounouas, Lahsen. "Modélisation et étude expérimentale d’une chaîne de mesure en échographie ultrasonore." Compiègne, 1985. http://www.theses.fr/1985COMPS136.
Khanfir, Adel. "Étude des mécanismes de diffusion acoustique d'une cavité et d'un réseau à relief périodique et apériodique." Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0162/document.
The purpose of this research project was to develop a theoretical model dealing with reflection of acoustic waves over a grating of N rectangular cavities. Thus, the diffracted acoustic fields were determined by adapting the Kobayashi Potential (KP) method to the case of a cavity. Then, this developed model was generalized to the case of parallel rectangular cavities gratings and then extended to the case of non parallel rectangular cavities ones. A study of the coupling was achieved in order to understand the variation in the acoustic interaction between cavities with spacings and frequency. This model was compared with theoretical results obtained from the finite element method (FEM) and experimental results obtained in a semi-anechoic chamber for a single cavity and gratings of parallel and non-parallel rectangular cavities. The validity of the theoretical model is supported by the agreement between the numerical and experimental results observed
Книги з теми "Ondes sonores – Modèles mathématiques":
Tam, Christopher K. W. Computational aeroacoustics: A wave number approach. New York: Cambridge University Press, 2012.
Kozlov, E. A. Migration in seismic prospecting. Rotterdam: A.A. Balkema, 1990.
Staras, Stanislovas. Wide-band slow-wave systems: Simulation and applications. Boca Raton: Taylor & Francis, 2012.
Cogan, Donard De. Transmission line matrix in computational mechanics. Boca Raton, FL: CRC Press, 2006.
Vittoria, C. Magnetics, dielectrics, and wave propagation with MATLAB codes. Boca Raton: CRC Press, 2011.
Crane, Robert K. Propagation Handbook for Wireless Communication System Design. London: Taylor and Francis, 2003.
Gao, Jianjun. RF and microwave modeling and measurement techniques for compound field effect transistors. Raleigh, NC: SciTech Pub., 2009.
Ward, Keith D. Sea clutter: Scattering, the K distribution and radar performance. 2nd ed. Stevenage, Herts, United Kingdom: Institution of Engineering and Technology, 2013.
Tam, Christopher K. W. Computational Aeroacoustics: A Wave Number Approach. Cambridge University Press, 2012.
Tam, Christopher K. W. Computational Aeroacoustics: A Wave Number Approach. Cambridge University Press, 2012.