Exact solutions for oscillatory shear sweep behaviors of complex fluids from the Oldroyd 8-constant framework
C Saengow, AJ Giacomin - Physics of Fluids, 2018 - pubs.aip.org
In this paper, we provide a new exact framework for analyzing the most commonly measured
behaviors in large-amplitude oscillatory shear flow (LAOS), a popular flow for studying the
nonlinear physics of complex fluids. Specifically, the strain rate sweep (also called the strain
sweep) is used routinely to identify the onset of nonlinearity. By the strain rate sweep, we
mean a sequence of LAOS experiments conducted at the same frequency, performed one
after another, with increasing shear rate amplitude. In this paper, we give exact expressions …
behaviors in large-amplitude oscillatory shear flow (LAOS), a popular flow for studying the
nonlinear physics of complex fluids. Specifically, the strain rate sweep (also called the strain
sweep) is used routinely to identify the onset of nonlinearity. By the strain rate sweep, we
mean a sequence of LAOS experiments conducted at the same frequency, performed one
after another, with increasing shear rate amplitude. In this paper, we give exact expressions …
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