Stability for coupled thermoelastic systems with nonlinear localized damping and Wentzell boundary conditions

This paper is concerning with the study of stability involving a thermoelastic system with internal nonlinear localized damping. The main novelty of the paper is to introduce to the study of thermoelastic system the general Wentzell boundary conditions associated to the internal heat equation. This...

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Bibliographic Details
Published in:Semigroup forum 2024-06, Vol.108 (3), p.734-758
Main Author: Vicente, André
Format: Article
Language:English
Subjects:
Algebra
Boundary conditions
Damping
Flow stability
Heat flux
Heat transfer
Heat transmission
Mathematics
Mathematics and Statistics
Nonlinear systems
Research Article
Thermodynamics
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Summary:This paper is concerning with the study of stability involving a thermoelastic system with internal nonlinear localized damping. The main novelty of the paper is to introduce to the study of thermoelastic system the general Wentzell boundary conditions associated to the internal heat equation. This boundary condition takes into account that there is a boundary source of heat which depends on the heat flow along the boundary, the heat flux across the boundary, and the temperature at the boundary. The tools are the use of multipliers with the construction of appropriate perturbed energy functionals.
ISSN:0037-1912
1432-2137
DOI:10.1007/s00233-024-10445-7