Tensorial Constitutive Models for Disordered Foams, Dense Emulsions, and other Soft Nonergodic Materials

Details Tensorial Constitutive Models for Disordered Foams, Dense Emulsions, and other Soft Nonergodic Materials Tensorial Constitutive Models for Disordered Foams, Dense Emulsions, and other Soft Nonergodic Materials

2003-07-04

arxiv.org/abs/cond-mat/0307098v1

Journal of Rheology, 48(1):193-207, 2004

Physics

Condensed Matter

Soft Condensed Matter

18 pages, 4 figures

Scientific paper

10.1122/1.1634985

In recent years, the paradigm of `soft glassy matter' has been used to describe diverse nonergodic materials exhibiting strong local disorder and slow mesoscopic rearrangement. As so far formulated, however, the resulting `soft glassy rheology' (SGR) model treats the shear stress in isolation, effectively `scalarizing' the stress and strain rate tensors. Here we offer generalizations of the SGR model that combine its nontrivial aging and yield properties with a tensorial structure that can be specifically adapted, for example, to the description of fluid film assemblies or disordered foams.

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