On a new thermodynamic description of viscoelastic materials

G. Lebon, C. Perez-Garcia, J. Casas-Vazquez

Research output: Contribution to journalArticleResearchpeer-review

22 Citations (Scopus)


A new thermodynamic approach, based on extended irreversible thermodynamics, is proposed to describe viscoelastic materials. The state space is widened by including the stress tensor and the heat flux vector among the set of independent state variables. These extra variables are satisfying evolution equations taking the form of first order time differential equations. The present formalism encompasses the classical models of Maxwell, Kelvin-Voigt, Poynting-Thomson as well as the thermoelastic body and the Newtonian fluid. This is achieved without appealing to an artificial decomposition of the stress and strain tensors into elastic and inelastic parts. © 1986.
Original languageEnglish
Pages (from-to)531-545
JournalPhysica A: Statistical Mechanics and its Applications
Publication statusPublished - 1 Sep 1986


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