Littérature scientifique sur le sujet « Interactions Vagues-Courants »
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Articles de revues sur le sujet "Interactions Vagues-Courants"
Rose, Catherine V., Adam C. Maloof, Blair Schoene, Ryan C. Ewing, Ulf Linnemann, Mandy Hofmann et John M. Cottle. « The End-Cryogenian Glaciation of South Australia ». Geoscience Canada 40, no 4 (20 décembre 2013) : 256. http://dx.doi.org/10.12789/geocanj.2013.40.019.
Texte intégralThèses sur le sujet "Interactions Vagues-Courants"
Koenig, Guillaume. « Par vagues et marées : étude de la circulation hydrodynamique d’un lagon étroit de Nouvelle-Calédonie et identification des conditions aux bords à l’aide d’un algorithme stochastique ». Electronic Thesis or Diss., Aix-Marseille, 2021. http://www.theses.fr/2021AIXM0533.
Texte intégralIn this thesis, I have studied the hydrodynamics of the Ouano coral lagoon in NewCaledonia and implemented a novel parameter identification algorithm to do so.Wave-breaking and tides dominate the Ouano lagoon; I wanted to evaluate theirimpact on the lagoon flushing.Several studies have been done in the lagoon before. I rely on both their findings forthe circulation and their tools for the modeling, namely the CROCO ( Coastal RegionalOcean COmmunity model) of C. Chevalier. I also have used data collected in 2016 inthe lagoon. However, some uncertainties remained on the amount of water broughtby the tides and the wave-breaking in the lagoon. Also, the parametrization of thewave-breaking friction coefficient and the tidal boundary conditions in the numericalmodel was uncertain.I implemented and tested a tool to improve those parametrizations or other modelparameters. This tool was a stochastic parameter identification algorithm, the Simul-taneous Perturbations Stochastic Approximations (SPSA) algorithm.We first tested different variants of the algorithm in a controlled environment andwith a 1-D turbulence model. Then I have used this algorithm to identify boundaryconditions with a linear tidal model of the Ouano lagoon. Finally, I have used thealgorithm to study the impact of the wave-breaking on the measurement of tides inthe Ouano
Michaud, Héloïse. « Impacts des vagues sur les courants marins : Modélisation multi-échelle de la plage au plateau continental ». Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2011. http://tel.archives-ouvertes.fr/tel-00680405.
Texte intégralVeras, Guimarães Pedro. « Surfaces de mer et dissipation d'énergie ». Thesis, Ecole centrale de Nantes, 2018. http://www.theses.fr/2018ECDN0001/document.
Texte intégralStochastic wave formulations and models are the most common tools for the assessment and forecast of sea surface conditions. Their ability to account for some of the processes encountered by waves during their evolution remains however a central question. Among other processes, the wave dissipation is for instance still poorly quantified and traditional methods for wave measurements fail to proper insight into its physics in a wide range of conditions. In this context, the work presented in this PhD aims to explore available observation techniques for their application to several quantitative aspects of the dissipation of wave energy, and particularly for short wave modulated by strong tidal currents, for short wave modulated by longer waves. This work takes advantage of the BBWAVES oceanic campaigns, especially planned to explore questions related to wave and current interactions. Data from a large variety of sensors are analyzed. The campaign provides the ground for the test of a new design of drifting buoy aimed at measuring waves in areas of strong tidal current. Its performances are verified and the description it provides of the area is explored. From simultaneous measurements, it was possible to highlight the actual inaccuracies in wave model capabilities as well as the contribution of the error contained in the atmospheric modeling over strong tidal currents to the misevaluation of sea states. This work also used an extensive dataset from a stereo video experiment in the Black Sea to investigate wave breaking in bimodal sea state conditions. These measurements have revealed the influence of long wave modulation over short wave breaking
Actes de conférences sur le sujet "Interactions Vagues-Courants"
DODET, Guillaume, Xavier BERTIN, Nicolas BRUNEAU, André FORTUNATO, Alphonse NAHON et Rui TABORDA. « Interactions vagues-courants dans une embouchure tidale dominée par la houle ». Dans Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2012. http://dx.doi.org/10.5150/jngcgc.2012.005-d.
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