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On the decay rates of Timoshenko system with second sound. (English) Zbl 1353.35056

Considered is an extension of the classical Timoshenko system of two coupled hyperbolic equations to a one dimensional linear system of four PDE by adding a heat equation modeled by the Cattaneo’s law and a coupling equation. Some initial and boundary conditions are defined. The well-posedness of the problem is discussed first. Further one proves a result on the exponential stability of the energy of the solution and one investigates the polynomial stability and cases when a lack of exponential decay occurs.

MSC:

35B40 Asymptotic behavior of solutions to PDEs
35B35 Stability in context of PDEs
35L55 Higher-order hyperbolic systems
35L57 Initial-boundary value problems for higher-order hyperbolic systems
74D05 Linear constitutive equations for materials with memory
93D15 Stabilization of systems by feedback
93D20 Asymptotic stability in control theory
35G45 Boundary value problems for systems of linear higher-order PDEs
Full Text: DOI

References:

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