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Polynomial Stability of a Transmission Problem Involving Timoshenko Systems with Fractional Kelvin-Voigt Damping

Abstract : In this work, we study the stability of a one-dimensional Timoshenko system with localized internal fractional kelvin-Voigt damping in a bounded domain. First, we reformulate the system into an augmented model and using a general criteria of Arendt-Batty we prove the strong stability. Next, we investigate three cases: the first one when the damping is localized in the bending moment, the second case when the damping is localized in the shear stress, we prove that the energy of the system decays polynomially with rate t −1 in both cases. In the third case, the fractional Kelvin-Voigt is acting on the shear stress and the bending moment simultaneously. We show that the system is polynomially stable with decay rate of type t −4 2−α. The method is based on the frequency domain approach combined with multiplier technique.
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https://hal.archives-ouvertes.fr/hal-03435284
Contributor : Wael Youssef Connect in order to contact the contributor
Submitted on : Friday, November 26, 2021 - 4:57:05 PM
Last modification on : Tuesday, January 4, 2022 - 6:04:10 AM

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  • HAL Id : hal-03435284, version 1

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Aissa Guesmia, Zeinab Mohamad-Ali, Ali Wehbe, Wael Youssef. Polynomial Stability of a Transmission Problem Involving Timoshenko Systems with Fractional Kelvin-Voigt Damping. 2021. ⟨hal-03435284⟩

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