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首页> 外文期刊>Zeitschrift fur Angewandte Mathematik und Mechanik >A theory of thermoelasticity with diffusion under Green-Naghdi models
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A theory of thermoelasticity with diffusion under Green-Naghdi models

机译:Green-Naghdi模型下具有扩散的热弹性理论

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摘要

In this paper, we use the Green-Naghdi theory of thermomechanics of continua to derive a nonlinear theory of thermoelasticity with diffusion of types II and III. This theory permits propagation of both thermal and diffusion waves at finite speeds. The equations of the linear theory are also obtained. With the help of the semigroup theory of linear operators we establish that the linear anisotropic problem is well posed and we study the asymptotic behavior of the solutions. Finally, we investigate the impossibility of the localization in time of solutions.
机译:在本文中,我们使用Contina的Green-Naghdi热力学理论来推导具有II型和III型扩散的热弹性非线性理论。该理论允许热波和扩散波以有限的速度传播。还获得了线性理论的方程。借助于线性算子的半群理论,我们建立了线性各向异性问题,并研究了解的渐近性质。最后,我们研究了在解决时间上本地化的可能性。

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