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DTSTART;TZID=Europe/Paris:20210408T140000
DTEND;TZID=Europe/Paris:20210408T150000
DTSTAMP:20210616T103537Z
CREATED:20210309T161547Z
LAST-MODIFIED:20210616T103537Z
UID:9043-1617890400-1617894000@lmv.math.cnrs.fr
SUMMARY:EDP : Alessandro Duca (LMV) : Schrödinger equation in moving domains: well-posedness and control
DESCRIPTION:Résumé disponible en cliquant ici. \n 
URL:https://lmv.math.cnrs.fr/evenenement/schrodinger-equation-in-moving-domains-well-posedness-and-control/
CATEGORIES:Séminaire EDP
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DTSTART;TZID=Europe/Paris:20210415T140000
DTEND;TZID=Europe/Paris:20210415T150000
DTSTAMP:20210415T151341Z
CREATED:20210331T132402Z
LAST-MODIFIED:20210415T151341Z
UID:9112-1618495200-1618498800@lmv.math.cnrs.fr
SUMMARY:EDP : Alessia Del Grosso (LMV) : Numerical simulation of geophysical flows using second-order and well-balanced Lagrange-projection methods
DESCRIPTION:This PhD thesis is devoted to the development and implementation of second-order well-balanced Lagrange-projection numerical methods for hyperbolic partial differential equations. In particular\, the Lagrange-projection formalism entails a decomposition of the acoustic and transport terms of the model\, while the well-balanced property represents the ability of the scheme of preserving the stationary solutions of the model. \nHere we mainly focus on the numerical approximation of the shallow-water system coupled with the Exner equation\, where the latter expresses the evolution in time of the bed elevation. It is known that it is not a trivial task to numerically simulate the resulting shallow-water-Exner model\, as a decoupled method could lead to the presence of spurious oscillations in the numerical outputs. In addition\, when considering the Lagrange-projection formalism\, while it is clear how to decompose the shallow water system\, this is not true when it comes to the Exner equation. For this reason we investigate different possible numerical strategies.
URL:https://lmv.math.cnrs.fr/evenenement/edp-numerical-simulation-of-geophysical-flows-using-second-order-and-well-balanced-lagrange-projection-methods/
CATEGORIES:Séminaire EDP
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