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math.AP2016
Improved results on the nonlinear feedback stabilization of a rotating body-beam system
K. Ammari, A. Bchatnia, B. Chentouf
This article is dedicated to the investigation of the stabilization problem of a flexible beam attached to the center of a rotating disk. We assume that the feedback law contains a…
math.DS2016
Non uniform decay of the energy of some dissipative evolution systems
Kaïs Ammari, Ahmed Bchatnia, Karim El Mufti
In this paper we consider second order evolution equations with bounded damping. We give a characterization of a non uniform decay for the damped problem using a kind of observabil…