| The shear-transformation-zone (STZ) model has been applied numerous times to describe the plastic deformation of different types of amorphous systems. We formulate this model within the general equation for nonequilibrium reversible-irreversible coupling (GENERIC) framework, thereby clarifying the thermodynamic structure of the constitutive equations and guaranteeing thermodynamic consistency. We propose natural, physically motivated forms for the building blocks of the GENERIC, which combine to produce a closed set of time evolution equations for the state variables, valid for any choice of free energy. We demonstrate an application of the new GENERIC-based model by choosing a simple form of the free energy. In addition, we present some numerical results and contrast those with the original STZ equations.
for LaTeX users @article{AMLuo2014-89,
author = {A. M. Luo and H. C. \"Ottinger},
title = {Nonequilibrium thermodynamics of the shear-transformation-zone model},
journal = {Phys. Rev. E},
volume = {89},
pages = {022137},
year = {2014}
}
\bibitem{AMLuo2014-89} A.M. Luo, H.C. \"Ottinger,
Nonequilibrium thermodynamics of the shear-transformation-zone model,
Phys. Rev. E {\bf 89} (2014) 022137.AMLuo2014-89
A.M. Luo, H.C. \"Ottinger
Nonequilibrium thermodynamics of the shear-transformation-zone model
Phys. Rev. E,89,2014,022137 |
mk@mat.ethz.ch
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