Abstract
We study the consequences of thermoelastic coupling on heat and stress pulse propagation along equilibrium and nonequilibrium reference states. We use a generalized heat-transport equation accounting for relaxational and nonlinear effects. We compare the obtained results with those for heat pulses without thermoelastic coupling and with previous results obtained by using the relaxational Maxwell–Cattaneo equation for the heat flux without nonlinear terms. The difference of the speed of heat pulses along and against an imposed average heat flux in nonequilibrium states is also obtained.
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