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dc.contributor.authorGlass, Olivier
dc.date.accessioned2013-01-12T10:11:10Z
dc.date.available2013-01-12T10:11:10Z
dc.date.issued2012
dc.identifier.urihttps://basepub.dauphine.fr/handle/123456789/10823
dc.language.isoenen
dc.subjectControl in Fluid Mechanics
dc.subjectEuler equation
dc.subjectCauchy problem
dc.subject.ddc520en
dc.titleSome Questions of Control in Fluid Mechanics
dc.typeCommunication / Conférence
dc.description.abstractenThe goal of these lecture notes is to present some techniques of non-linear control of PDEs, in the context of fluid mechanics. We will consider the problem of controllability of two different models, namely the Euler equation for perfect incompressible fluids, and the one-dimensional isentropic Euler equation for compressible fluids. The standard techniques used to deal with the Cauchy problem for these two models are of rather different nature, despite the fact that the models are close. As we will see, this difference will also appear when constructing solutions of the controllability problem; however a common technique (or point of view) will be used in both cases. This technique, introduced by J.-M. Coron as the return method, is a way to exploit the nonlinearity of the equation for control purposes. Hence we will see its application in two rather different types of PDEs. The plan of these notes is the following. In a first part, we recall in a very basic way some types of questions that can be raised in PDE control (in a non-exhaustive way). In a second part, we expose results concerning the controllability of the incompressible Euler equation. In a third part, we show how the techniques used to prove the controllability of the incompressible Euler equation can be used to prove some other controllability properties for this equation, namely the so-called Lagrangian controllability. In a fourth and last part, we consider the controllability of the isentropic Euler equation.
dc.identifier.citationpages344
dc.relation.ispartoftitleControl of Partial Differential Equations
dc.relation.ispartofeditorFatiha Alabau-Boussouira, Roger Brockett, Olivier Glass, Jérôme Le Rousseau, Enrique Zuazua
dc.relation.ispartofpublnameSpringer
dc.relation.ispartofpublcityBerlin Heidelberg
dc.relation.ispartofdate2012
dc.relation.ispartofurlhttp://dx.doi.org/10.1007/978-3-642-27893-8
dc.subject.ddclabelSciences connexes (physique, astrophysique)en
dc.relation.ispartofisbn978-3-642-27892-1
dc.relation.forthcomingnonen
dc.identifier.doihttp://dx.doi.org/10.1007/978-3-642-27893-8_3
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dc.description.halcandidateoui
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dc.description.audienceInternational
dc.date.updated2017-09-21T10:27:00Z


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