We prove the --time decay estimates for the solution of the Cauchy problem for the hyperbolic system of partial differential equations of linear thermoelasticity. In our proof based on the matrix of fundamental solutions to the system we use Strauss-Klainerman’s approach [12], [5] to the --time decay estimates.
CONTENTS1. Introduction..................................................................................................................................... 5 1.1. Main Theorem 1.1................................................................................................................. 8 1.2. Main Theorem 1.2................................................................................................................. 92. Radon transform.......................................................................................................................................
The aim of this paper is to present an elementary self-contained introduction to some important aspects of the theory of local (in time) solutions to the initial-boundary value problem for nonlinear hyperbolic equations of thermoelasticity theory. The relevant existence theorem is proved using the approach of Kato via semigroup theory for the associated linearized problem. Next, we prove an energy estimate in a suitably chosen Sobolev space for the solution of the linearized problem, using standard...
Theories of heat predicting a finite speed of propagation of thermal signals have come into existence during the last 50 years. It is worth emphasizing that in contrast to the classical heat theory, these nonclassical theories involve a hyperbolic type heat equation and are based on experiments exhibiting the actual occurrence of wave-type heat transport (so called second sound). This paper presents a new system of equations describing a nonlocal model of heat propagation with finite speed in the...
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