Locally internal stability of weakly elastic Bresse system

Details Locally internal stability of weakly elastic Bresse system Locally internal stability of weakly elastic Bresse system

2012-02-17

arxiv.org/abs/1202.3951v2

Mathematics

Optimization and Control

Scientific paper

In their paper "Stability to weak dissipative bresse system", Alabau et al. studied the exponential and polynomial stability of the Bresse system with one globally distributed dissipation law. Our goal is to extend their results, by taking into consideration the important case when the dissipation law is locally distributed and to improve the polynomial energy decay rate. We then study the energy decay rate of the Bresse system with one locally internal distributed dissipation law acting on the equation about the shear angle displacement. Under the equal speed wave propagation condition, we show that the system is exponentially stable. On the contrary, we establish a new polynomial energy decay rate.

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