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首页> 外文期刊>Journal of thermal stresses >ON A THEORY OF THERMOVISCOELASTIC MIXTURES
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ON A THEORY OF THERMOVISCOELASTIC MIXTURES

机译:关于热粘弹性混合理论

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摘要

We derive a continuum theory for a thermoviscoelastic composite with the help of an entropy production inequality proposed by Green and Laws. The composite is modelled as a mixture of an elastic solid and a Kelvin- Voigt material. The theory is derived in lagrangian description. It is shown that the linear heat conduction tensor is symmetric and that the theory allows for "second sound?' effects. In contrast with other theories of solid-fluid mixtures, in the present theory the diffusive force depends on both relative displacement and relative velocity. A uniqueness result in the linearized theory is presented. Finally, the effect of a concentrated heat source is investigated.
机译:我们借助格林和劳斯提出的熵产不等式推导了热粘弹性复合材料的连续理论。复合材料建模为弹性固体和Kelvin-Voigt材料的混合物。该理论是在拉格朗日描述中得出的。结果表明线性热张量是对称的,并且该理论允许“第二声音?”。与固液混合的其他理论相反,在本理论中,扩散力取决于相对位移和相对速度,给出了线性化理论的唯一性结果,最后研究了集中热源的作用。

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