We consider the feedback stabilization of a simplified 1d model for a fluid–structure interaction system. The fluid equation is the viscous Burgers equation whereas the motion of the particle is given by the Newton's laws. We stabilize this system around a stationary state by using feedbacks located at the exterior boundary of the fluid domain. With one input, we obtain a local stabilizability of the system with an exponential decay rate of order . An arbitrary order for the exponential decay rate can be proved if a unique continuation result holds true or if two inputs are used to stabilize the system. Our method is based on general arguments for stabilization of nonlinear parabolic systems combined with a change of variables to handle the fact that the fluid domains of the stationary state and of the stabilized solution are different.
@article{AIHPC_2014__31_2_369_0,
author = {Badra, Mehdi and Takahashi, Tak\'eo},
title = {Feedback stabilization of a simplified 1d fluid--particle system},
journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
volume = {31},
year = {2014},
pages = {369-389},
doi = {10.1016/j.anihpc.2013.03.009},
mrnumber = {3181675},
zbl = {1302.74057},
language = {en},
url = {http://dml.mathdoc.fr/item/AIHPC_2014__31_2_369_0}
}
Badra, Mehdi; Takahashi, Takéo. Feedback stabilization of a simplified 1d fluid–particle system. Annales de l'I.H.P. Analyse non linéaire, Tome 31 (2014) pp. 369-389. doi : 10.1016/j.anihpc.2013.03.009. http://gdmltest.u-ga.fr/item/AIHPC_2014__31_2_369_0/
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