Publikation: On a contact problem in thermoelasticity with second sound
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2008
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Sprenger, Jan
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Zusammenfassung
We investigate the existence and stability of a thermoelastic contact problem with second sound. Previous results established the existence and stability of a solution of the corresponding classical system in the case of radial symmetry. However, recent works have shown that sometimes stability can be lost when the classical Fourier heat conduction is substituted by Cattaneo's Law. We show that also in this case this substitution does indeed lead to a loss in regularity that proves to be a major problem prohibiting the transfer of the existence proof for the classical problem to the problem with second sound, leaving the existence of a solution an open question. We then prove that, if a viscoelastic term is added to the equations providing additional regularity, existence and exponential stability - the second, as can be expected, only in the case of radial symmetry - follow.
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510 Mathematik
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thermoelasticity, contact problem, long term behaviour
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SPRENGER, Jan, 2008. On a contact problem in thermoelasticity with second soundBibTex
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