Abstract
We consider wave equation with the Neumann, nonlinear boundary conditions of the form: ∂y/∂η 1 Γ + γ(y t) ε 0, where γ is a monotone graph. We shall prove that if γ(0)=0, then the corresponding feedback system is strongly stable in the topology of H 1 × L 2. If instead γ(0)ε[−γ0.γ0], then we shall show, that the energy of all limit solutions is uniformly bounded (with respect to initial condition) by a constant C Ω γ0, where C Ω depends on the geometry of the domain Ω, but not on the norm of initial conditions.
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Lasiecka, I. (1988). Asymptotic behaviour of the solutions to wave equation with nonlinear damping on the boundary. In: Bensoussan, A., Lions, J.L. (eds) Analysis and Optimization of Systems. Lecture Notes in Control and Information Sciences, vol 111. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0042237
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DOI: https://doi.org/10.1007/BFb0042237
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