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Article Dans Une Revue Mathematical Control and Related Fields Année : 2014

Asymptotic stability of Webster-Lokshin equation

Résumé

The Webster-Lokshin equation is a partial differential equation considered in this paper. It models the sound velocity in an acoustic domain. The dynamics contains linear fractional derivatives which can admit an infinite dimensional representation of diffusive type. The boundary conditions are described by impedance condition, which can be represented by two finite dimensional systems. Under the physical assumptions, there is a natural energy inequality. However, due to a lack of the precompactness of the solutions, the LaSalle invariance principle can not be applied. The asymptotic stability of the system is proved by studying the resolvent equation, and by using the Arendt-Batty stability condition.
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Dates et versions

hal-01070216 , version 1 (30-09-2014)

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Citer

Denis Matignon, Christophe Prieur. Asymptotic stability of Webster-Lokshin equation. Mathematical Control and Related Fields, 2014, 4 (4), pp.481-500. ⟨10.3934/mcrf.2014.4.481⟩. ⟨hal-01070216⟩
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