Logarithmic decay of wave equation with Kelvin-Voigt Damping - Archive ouverte HAL
Article Dans Une Revue Mathematics Année : 2020

Logarithmic decay of wave equation with Kelvin-Voigt Damping

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In this paper, we analyze the longtime behavior of the wave equation with local Kelvin-Voigt Damping. Through introducing proper class symbol and pseudo-diff-calculus, we obtain a Carleman estimate, and then establish an estimate on the corresponding resolvent operator. As a result, we show the logarithmic decay rate for energy of the system without any geometric assumption on the subdomain on which the damping is effective.
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hal-02844102 , version 1 (07-06-2023)

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Luc Robbiano, Qiong Zhang. Logarithmic decay of wave equation with Kelvin-Voigt Damping. Mathematics , 2020, 8 (5), ⟨10.3390/MATH8050715⟩. ⟨hal-02844102⟩
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