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Academic literature on the topic 'Vibration. Acoustique appliquée'
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Dissertations / Theses on the topic "Vibration. Acoustique appliquée"
Genot, Jean-Sébastien. "Formulation numérique de la sensibilité de la réponse vibratoire aux incertitudes physiques d'un modèle structural." Sherbrooke : Université de Sherbrooke, 1998.
Find full textChiello, Olivier-Michel. "Application d'une méthode d'éléments finis et d'analyse modale par sous-structuration dynamique à l'étude de l'isolation acoustique en basses fréquences." Sherbrooke : Université de Sherbrooke, 2000.
Find full textPaquay, Stéphane. "Développement d'une méthodologie de simulation numérique pour les problèmes vibro-acoustiques couplés intérieurs/extérieurs de grande taille." Sherbrooke : Université de Sherbrooke, 2002.
Find full textRuiz, Marta. "Contrôle actif de la perte par transmission d'une plaque par minimisation du débit volumique." Sherbrooke : Université de Sherbrooke, 2000.
Find full textThomas, Benjamin. "Dynamique d’une structure complexe à non linéarités localisées sous environnement vibratoire évolutif : Application à l'isolation vibratoire d'un équipement automobile." Thesis, Lyon, INSA, 2012. http://www.theses.fr/2012ISAL0106/document.
Full textThis research work regards the development of a complex structure model with non-linear viscoelastic components. The purpose of this study is to simulate the response of this structure submitted to a random vibration excitation based on a power spectral density definition (PSD). The industrial applicative case is the vibratory insulation of a automotive engine cooling module supported by elastomer mounts. A brief review of elastomers behavior depending on solicitations types enables to identify the parameters of the different investigated models. Preliminary tests have been conducted to define the range of amplitudes of excitations and evaluate the internal warming of rubbers during the full structure validation test. The experimental characterization of the suspension is based on rubbers mounts and their interfaces with the cooling module, in order to take into account in a unique model all nonlinearities due to the viscoelastic behavior, the slidings, and the friction. Measured force-deflection hysteretic cycles in axial and radial direction are post-processed with an expert system developed to obtain the parameters of the retained model: the modified Dahl’s model, generalized to viscoleastic aspect. This process has been developed with Octave/Matlab code. Interpolation and extrapolation methods enable to obtain a good model response on the global operating range. These methods have been coded in an Abaqus UserSubroutine. Imposing random vibration excitation of a non linear mechanical system based on PSD imposes to take into account signal processing aspects. To evaluate response levels versus norms requirements, it’s mandatory to consider the time-frequency transfer. In addition, the size and the complexity of the total finite element model of the industrial structure don’t allow a global resolution in the time domain for all the degrees of freedom. Homogenization and dynamic reduction techniques are used to evaluate the response of the system submitted to large frequency range excitations, and to analyse the behavior of the suspension
Abdiche, Mokrane. "Diagnostic acoustique appliqué aux incubateurs pour nourrissons." Compiègne, 2000. http://www.theses.fr/2000COMP1256.
Full textDauchez, Nicolas. "Étude vibroacoustique des matériaux poreux par éléments finis." Sherbrooke : Université de Sherbrooke, 1999.
Find full textGuertin, Louis. "Modélisation par éléments finis de plaques multicouches aux propriétés élastiques, viscoélastiques et piézoélectriques." Sherbrooke : Université de Sherbrooke, 1998.
Find full textPanneton, Raymond. "Modélisation numérique tridimensionnelle par éléments finis des milieux poroélastiques : application au problème couplé élasto-poro-acoustique." Sherbrooke : Université de Sherbrooke, 1997.
Find full textPilon, Dominic. "Influence des conditions aux limites sur les mesures acoustiques au tube à ondes stationnaires." Sherbrooke : Université de Sherbrooke, 2002.
Find full textBooks on the topic "Vibration. Acoustique appliquée"
Bouasse, H. Acoustique : cordes et membranes: Instruments de musique à cordes et à membranes. Paris: A. Blanchard, 1987.
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