Exponential Stability in Hyperbolic Thermoelastic Diffusion Problem with Second SoundReport as inadecuate




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International Journal of Differential EquationsVolume 2011 2011, Article ID 274843, 21 pages

Research ArticleDépartement de Mathématique, Institut Supérieur des Sciences Appliquées et de Technologie de Mateur, Route de Tabarka, Mateur 7030, Tunisia

Received 4 May 2011; Accepted 28 June 2011

Academic Editor: Sabri Arik

Copyright © 2011 Moncef Aouadi. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We consider a thermoelastic diffusion problem in one space dimension with second sound. The thermal and diffusion disturbances are modeled by Cattaneo-s law for heat and diffusion equations to remove the physical paradox of infinite propagation speed in the classical theory within Fourier-s law. The system of equations in this case is a coupling of three hyperbolic equations. It poses some new analytical and mathematical difficulties. The exponential stability of the slightly damped and totally hyperbolic system is proved. Comparison with classical theory is given.





Author: Moncef Aouadi

Source: https://www.hindawi.com/



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