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Stability of Transmission Wave-Plate Equations with Local Indirect Damping

Stability of Transmission Wave-Plate Equations with Local Indirect Damping This paper is devoted to the energy decay estimates for the coupled wave-plate system with local frictional damping in a bounded domain. The frictional damping distributes in the plate or wave domain. When the frictional damping is only acting through the plate equation, the transmission system is showed not to be exponentially stable. By the frequency domain approach and multiplier technique, it is found that the system energy has the polynomial decay rate. On the other hand, when the frictional damping only act through the wave equation, it is showed that the system energy has the exponential decay. It can be seen that only the frictional damper acting on the wave equation can stabilize exponentially the transmission plate-wave equations. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Applicandae Mathematicae Springer Journals

Stability of Transmission Wave-Plate Equations with Local Indirect Damping

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References (25)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Nature B.V. 2022
ISSN
0167-8019
eISSN
1572-9036
DOI
10.1007/s10440-022-00471-4
Publisher site
See Article on Publisher Site

Abstract

This paper is devoted to the energy decay estimates for the coupled wave-plate system with local frictional damping in a bounded domain. The frictional damping distributes in the plate or wave domain. When the frictional damping is only acting through the plate equation, the transmission system is showed not to be exponentially stable. By the frequency domain approach and multiplier technique, it is found that the system energy has the polynomial decay rate. On the other hand, when the frictional damping only act through the wave equation, it is showed that the system energy has the exponential decay. It can be seen that only the frictional damper acting on the wave equation can stabilize exponentially the transmission plate-wave equations.

Journal

Acta Applicandae MathematicaeSpringer Journals

Published: Feb 1, 2022

Keywords: Transmission equations; Stability; Spectrum; Damping; 93C20; 93D23

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