Nonequilibrium Thermodynamics of the Soft Glassy Rheology Model
arXiv:1404.3481 · doi:10.1103/PhysRevE.88.042134
Abstract
The Soft Glassy Rheology (SGR) model is a mesoscopic framework which proved to be very successful in describing flow and deformation of various amorphous materials phenomenologically (e.g. pastes, slurries, foams etc). In this paper, we cast SGR in a general, model independent framework for nonequilibrium thermodynamics called General Equation for the Nonequilibrium Reversible-Irreversible Coupling (GENERIC). This leads to a new formulation of SGR which clarifies how it can properly be coupled to hydrodynamic fields, resulting in a thermodynamically consistent, local, continuum version of SGR. Additionally, we find that compliance with thermodynamics imposes the existence of a modification to the stress tensor as predicted by SGR.
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Cited by in corpus (4)
- GENERIC: Review of successful applications and a challenge for the future
- Formulation of the relativistic heat equation and the relativistic kinetic Fokker-Planck equation using GENERIC
- Non-equilibrium thermodynamics of damped Timoshenko and damped Bresse systems
- Thermalized formulation of soft glassy rheology