The thermo-mechanics of rate-type fluids
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In this short paper a brief review is provided concerning the modeling of the thermo-mechanical response of rate type uid models. Recently, two different approaches have been used to develop thermodynamically compatible rate type uid models, one that assumes the Helmholtz potential and the other the Gibbs potential for the uids. These two perspectives are complimentary, not all models that can be modeled within the st procedure can be obtained from the second one, and vice-versa. The two approaches greatly enlarge the arsenal of a modeler and most models that are used can be derived within the purview of these two approaches. More importantly, the two methodologies lead to interesting and useful new models which can be used to describe the behavior of materials that have hitherto deed proper description.
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