General condition for exponential stability of thermoelastic Bresse systems with Cattaneo’s law. (English) Zbl 1439.35057
Summary: In this paper, we give a new and more general sufficient condition for exponential stability of thermoelastic Bresse systems with heat flux given by Cattaneo’s law acting in shear and longitudinal motion equations. This condition, which we also prove to be necessary in some special cases, is given by a relation between the constants of the system and generalizes the well-known equal wave speed condition.
MSC:
| 35B40 | Asymptotic behavior of solutions to PDEs |
| 35L53 | Initial-boundary value problems for second-order hyperbolic systems |
| 35Q74 | PDEs in connection with mechanics of deformable solids |
| 74B05 | Classical linear elasticity |
| 74F05 | Thermal effects in solid mechanics |
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