Outputs (3)

Shear banding in time-dependent flows of polymers and wormlike micelles (2013)
Journal Article
Moorcroft, R., & Fielding, S. (2014). Shear banding in time-dependent flows of polymers and wormlike micelles. Journal of Rheology, 58(1), 103-147. https://doi.org/10.1122/1.4842155

We study theoretically the formation of shear bands in time-dependent flows of polymeric and wormlike micellar surfactant fluids, focussing on the protocols of step shear stress, step shear strain (or in practice a rapid strain ramp), and shear startup... Read More about Shear banding in time-dependent flows of polymers and wormlike micelles.

Modeling the relaxation of polymer glasses under shear and elongational loads (2013)
Journal Article
Fielding, S., Moorcroft, R., Larson, R., & Cates, M. (2013). Modeling the relaxation of polymer glasses under shear and elongational loads. The Journal of Chemical Physics, 138(12), Article 12A504. https://doi.org/10.1063/1.4769253

Glassy polymers show 'strain hardening': at constant extensional load, their flow first accelerates, then arrests. Recent experiments under such loading have found this to be accompanied by a striking dip in the segmental relaxation time. This can be... Read More about Modeling the relaxation of polymer glasses under shear and elongational loads.

Criteria for Shear Banding in Time-Dependent Flows of Complex Fluids (2013)
Journal Article
Moorcroft, R., & Fielding, S. (2013). Criteria for Shear Banding in Time-Dependent Flows of Complex Fluids. Physical Review Letters, 110(8), Article 086001. https://doi.org/10.1103/physrevlett.110.086001

We study theoretically the onset of shear banding in the three most common time-dependent rheological protocols: step stress, finite strain ramp (a limit of which gives a step strain), and shear startup. By means of a linear stability analysis we pro... Read More about Criteria for Shear Banding in Time-Dependent Flows of Complex Fluids.