Indirect linear locally distributed damping of coupled systems - doi: 10.5269/bspm.v22i2.7478
DOI :
https://doi.org/10.5269/bspm.v22i2.7478Mots-clés :
Wave equation, coupled system, piecewise multiplier method, internal stabilization, indirect damping, polynomial decay.Résumé
The aim of this paper is to prove indirect internal stabilization results for different coupled systems with linear locally distributed damping (coupled wave equations, wave equations with different speeds of propagation). In our case, a linear local damping term appears only in the first equation whereas no damping term is applied to the second one (this is indirect stabilization, see [11]). Using the piecewise multiplier method we prove that the full system is stabilized and that the total energy of the solution of this system decays polynomially.Téléchargements
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