Liu, Yuning; Takahashi, Takéo; Tucsnak, Marius
Single input controllability of a simplified fluid-structure interaction model
ESAIM: Control, Optimisation and Calculus of Variations, Tome 19 (2013) no. 1 , p. 20-42
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Zbl 1270.35259 | MR 3023058 | 1 citation dans Numdam
doi : 10.1051/cocv/2011196
URL stable : http://www.numdam.org/item?id=COCV_2013__19_1_20_0

Classification:  35L10,  65M60,  93B05,  93B40,  93D15
In this paper we study a controllability problem for a simplified one dimensional model for the motion of a rigid body in a viscous fluid. The control variable is the velocity of the fluid at one end. One of the novelties brought in with respect to the existing literature consists in the fact that we use a single scalar control. Moreover, we introduce a new methodology, which can be used for other nonlinear parabolic systems, independently of the techniques previously used for the linearized problem. This methodology is based on an abstract argument for the null controllability of parabolic equations in the presence of source terms and it avoids tackling linearized problems with time dependent coefficients.

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