✦ LIBER ✦

The mathematics of myth: Yield stress behavior as a limit of non-monotone constitutive theories

✍ Scribed by Michael Renardy

Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 510 KB
Volume: 165
Category: Article
ISSN: 0377-0257
DOI: 10.1016/j.jnnfm.2010.02.010

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✦ Synopsis

We formulate a model which can describe fluids with a non-monotone shear stress/shear rate relationship. It is shown how yield stress fluids arise as a limiting case of such a model. Differences between critical stresses for "fast" and "slow" yielding, hysteresis phenomena and thixotropy are naturally explained by the model.