Physics of Fluids Editor’s Pick

Our recently published work in Physics of Fluids, “Time-strain separability in medium-amplitude oscillatory shear”, is chosen as an Editor’s Pick.

This study resolves the questions about what is meant by a time-strain separable (TSS) response in medium-amplitude oscillatory shear (MAOS), and how the linear viscoelastic (LVE) relaxation spectrum affects the frequency-dependent behavior of the TSS MAOS material functions. The results show that weakly-nonlinear oscillatory perturbations from the material equilibrium state are substantially more sensitive than the LVE response to the distribution of terminal relaxation times.

The article, dedicated to Prof. Robert Byron Bird on the occasion of his 95th birthday, is available here: DOI link  Accepted PDF