Academic literature on the topic 'Simulation propagation d'ondes de pression'
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Journal articles on the topic "Simulation propagation d'ondes de pression"
DI COSTANZO, F., E. LANDEL, and P. BLANC. "SIMULATION NUMÉRIQUE DE LA PROPAGATION D'ONDES ACOUSTIQUES DANS LES RÉSEAUX DE TUYAUTERIES." Le Journal de Physique IV 02, no. C1 (April 1992): C1–479—C1–482. http://dx.doi.org/10.1051/jp4:19921103.
Full textNazoumou, Y., and M. Besbes. "Simulation de la recharge artificielle de nappe en oued par un modèle à réservoirs." Revue des sciences de l'eau 13, no. 4 (April 12, 2005): 379–404. http://dx.doi.org/10.7202/705399ar.
Full textBaronian, Vahan, Alexandre Charau, Guillemette Ribay, Julien Said, and Stephane Heurtault. "Simulation de la propagation d’ondes guidées dans des conducteurs aériens." e-journal of nondestructive testing 28, no. 9 (September 2023). http://dx.doi.org/10.58286/28499.
Full textDissertations / Theses on the topic "Simulation propagation d'ondes de pression"
Galaz, Belfor. "Relation entre la structure et les propriétés acoustiques des agents de contraste ultrasonores et leur utilisation comme vecteur de médicaments." Paris 6, 2009. http://www.theses.fr/2009PA066430.
Full textRodrigues, Dominique. "Simulation de la propagation d'ondes sismiques sur machine massivement parallèle." Châtenay-Malabry, Ecole centrale de Paris, 1993. http://www.theses.fr/1993ECAP0331.
Full textHugon-Jeannin, Yves. "Simulation numérique de la propagation d'ondes acoustiques en milieu turbulent." Ecully, Ecole centrale de Lyon, 1992. http://www.theses.fr/1992ECDL0037.
Full textRIOLLET, BRUNO. "Simulation numerique de la propagation d'ondes sismiques en milieu fracture." Paris 7, 1997. http://www.theses.fr/1997PA077274.
Full textJund, Sébastien. "Méthodes d'éléments finis d'ordre élevé pour la simulation numérique de la propagation d'ondes /." Strasbourg : IRMA, Univ. Louis Pasteur et C.N.R.S, 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=016808087&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.
Full textJund, Sébastien. "Méthodes d'éléments finis d'ordre élevé pour la simulation numérique de la propagation d'ondes." Phd thesis, Université Louis Pasteur - Strasbourg I, 2007. http://tel.archives-ouvertes.fr/tel-00188739.
Full textJund, Sébastien Sonnendrücker Eric. "Méthodes d'éléments finis d'ordre élevé pour la simulation numérique de la propagation d'ondes." Strasbourg : Université Louis Pasteur, 2008. http://eprints-scd-ulp.u-strasbg.fr:8080/931/01/JUND_Sebastien_2007.pdf.
Full textBonnasse-Gahot, Marie. "Simulation de la propagation d'ondes élastiques en domaine fréquentiel par des méthodes Galerkine discontinues." Thesis, Nice, 2015. http://www.theses.fr/2015NICE4125/document.
Full textThe scientific context of this thesis is seismic imaging which aims at recovering the structure of the earth. As the drilling is expensive, the petroleum industry is interested by methods able to reconstruct images of the internal structures of the earth before the drilling. The most used seismic imaging method in petroleum industry is the seismic-reflection technique which uses a wave equation model. Seismic imaging is an inverse problem which requires to solve a large number of forward problems. In this context, we are interested in this thesis in the modeling part, i.e. the resolution of the forward problem, assuming a time-harmonic regime, leading to the so-called Helmholtz equations. The main objective is to propose and develop a new finite element (FE) type solver characterized by a reduced-size discrete operator (as compared to existing such solvers) without hampering the accuracy of the numerical solution. We consider the family of discontinuous Galerkin (DG) methods. However, as classical DG methods are much more expensive than continuous FE methods when considering steady-like problems, because of an increased number of coupled degrees of freedom as a result of the discontinuity of the approximation, we develop a new form of DG method that specifically address this issue: the hybridizable DG (HDG) method. To validate the efficiency of the proposed HDG method, we compare the results that we obtain with those of a classical upwind flux-based DG method in a 2D framework. Then, as petroleum industry is interested in the treatment of real data, we develop the HDG method for the 3D elastic Helmholtz equations
Golkin, Stanislav. "Simulation de la propagation d'ondes SH dans des structures périodiques et de la diffusion multiple d'ondes de volume en milieux aléatoires." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR1A002/document.
Full textThe study is concerned with acoustic waves in elastic media with a different nature of in homogeneity consisting in either periodically continuous or piece wise variation of material properties, or in random sets of defects embedded into a homogeneous matrix, with a given statistical distribution. The scope of problems is topical in non-destructive testing and other applications of ultrasound.Theoretical methods describing involved acoustic phenomena (complex dispersion features, coherent wave in random media, ensemble average techniques) often rely on certain a priori assumptions which render numerical verification especially important.The thesis presents results of analytical modelling of the propagation of surface acoustic waves along periodic half-space, for which the dispersion spectrum is rather complex (discontinuous spectrum of propagation for the surface waves). A 2nd order FDTD numerical code has been developed in order to perform numerical experiments in the space and time domains, and to corroborate the analytical predictions in the frequency domain. A good agreement of simulated results with analytical modelling demonstrates applicability and consistency of the numerical tool. Finally, the code has been used for extracting numerically the coherent wave regime (mean wave over ensemble averaging of the positions of scatterers) for the acoustic propagation in different types of populations of randomly distributed scatterers. The results indicate ranges of validity of some multiple scattering analytical techniques
Allaki, Saïd. "Contribution à l'étude de la propagation d'ondes acoustiques dans un milieu stratifié : modélisation et simulation." Lyon 1, 1987. http://www.theses.fr/1987LYO19016.
Full textBook chapters on the topic "Simulation propagation d'ondes de pression"
Somjen, George G. "Solving the Puzzle of Spreading Depression by Computer Simulation." In Ions in the Brain, 302–13. Oxford University PressNew York, NY, 2004. http://dx.doi.org/10.1093/oso/9780195151718.003.0016.
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