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首页> 外文期刊>International journal of non-linear mechanics >A consistent thermodynamical model of incompressible media as limit case of quasi-thermal-incompressible materials
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A consistent thermodynamical model of incompressible media as limit case of quasi-thermal-incompressible materials

机译:不可压缩介质作为准热不可压缩材料极限情况的一致热力学模型

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摘要

In this paper we extend the conditions on quasi-thermal-incompressible materials presented in Gouin et al. (2011) [1] so that they satisfy all the principles of thermodynamics, including the stability condition associated with the concavity of the chemical potential. We analyze the approximations under which a quasi-thermal-incompressible medium can be considered as incompressible. We find that the pressure cannot exceed a very large critical value and that the compressibility factor must be greater than a lower limit that is very small. The analysis is first done for the case of fluids and then extended to the case of thermoelastic solids.
机译:在本文中,我们扩展了Gouin等人提出的准热不可压缩材料的条件。 (2011)[1],以便它们满足热力学的所有原理,包括与化学势的凹度相关的稳定性条件。我们分析了准热不可压缩介质可以被视为不可压缩的近似值。我们发现压力不能超过非常大的临界值,并且可压缩系数必须大于非常小的下限。首先针对流体情况进行分析,然后扩展至热弹性固体情况。

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