Abstract

We consider a coupled linear system describing a thermoviscoelastic plate with hereditary effects. The system con- sists of a hyperbolic integrodifferential equation, governing the temperature, which is linearly coupled with the partial differ- ential equation ruling the evolution of the vertical deflection, presenting a convolution term accounting for memory effects. It is also assumed that the thermal power contains a memory term characterized by a relaxation kernel. We prove that the system is exponentially stable and we obtain a closeness estimate between the system with memory effects and the corresponding memory-free limiting system, as the kernels fade in a suitable sense.

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