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This note is concerned with the linear (and linearized) Type III thermoelastodynamic theory proposed by Green and Naghdi. We investigate the spatial behavior of the solutions when we assume the positivity of the elasticity tensor, the thermal conductivity tensor, the mass density and the heat capacity. However, we do not assume (a priori) the positivity of the internal energy. We first obtain a Phragmén-Lindelöf alternative of exponential type for the solutions. Later, we prove that the decay can be controlled by the exponential of a second-degree polynomial. This is similar to other thermoelastic situations.
CitationLeseduarte, M. C.; Quintanilla, R. On the spatial behavior in type III thermoelastodynamics. "Zeitschrift für angewandte Mathematik und Physik", Febrer 2014, vol. 65, núm. 1, p. 165-177.
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