A nonlinear viscoelastic model and non-equilibrium entropies

被引:7
|
作者
Sun, Mengran [1 ,2 ]
Jou, David [2 ]
Zhang, Jinjun [1 ]
机构
[1] China Univ Petr, Natl Engn Lab Pipeline Safety, MOE Key Lab Petr Engn, Beijing Key Lab Urban Oil & Gas Distribut Technol, Beijing 102249, Peoples R China
[2] Univ Autonoma Barcelona, Dept Fis, Bellaterra 08193, Catalonia, Spain
基金
美国国家科学基金会;
关键词
Entropy; Nonlinear viscoelasticity; Extended irreversible thermodynamics; Conservation-dissipation formalism; DEPENDENT RELAXATION-TIMES; COMPLEX FLUIDS; THERMODYNAMICS; RHEOLOGY; DYNAMICS; STRESS;
D O I
10.1016/j.jnnfm.2016.01.010
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
We show that the thermodynamic conjugate of the extra stress is a more suitable independent variable than the extra stress itself for the thermodynamic description of some nonlinear models of viscoelasticity. This brings more precision to the knowledge of non-equilibrium thermodynamic potentials, and provides an illustration of a recently proposed conservation-dissipation formalism which allows bringing extended irreversible thermodynamics to the nonlinear regime. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:96 / 100
页数:5
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