Search Results - "OLMSTED, P. D"

Dynamics of an asymmetric bilayer lipid membrane in a viscous solvent by Bingham, R. J., Smye, S. W., Olmsted, P. D.

“…Bilayer lipid membranes (BLMs) are an essential component of many biological systems, forming a functional barrier between the cell and the surrounding…”
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Comment on "Elastic Membrane Deformations Govern Interleaflet Coupling of Lipid-Ordered Domains" by Williamson, J J, Olmsted, P D

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Spatiotemporal oscillations and rheochaos in a simple model of shear banding by Fielding, S M, Olmsted, P D

“…We study a simple model of shear banding in which the flow-induced phase is destabilized by coupling between flow and microstructure (wormlike micellar…”
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Nonlinear dynamics of an interface between shear bands by Fielding, S M, Olmsted, P D

“…We study numerically the nonlinear dynamics of a shear banding interface in two-dimensional planar shear flow, within the nonlocal Johnson-Segalman model…”
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Flow phase diagrams for concentration-coupled shear banding by FIELDING, S. M, OLMSTED, P. D

“…After surveying the experimental evidence for concentration coupling in the shear banding of wormlike micellar surfactant systems, we present flow phase…”
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Lateral phase separation in mixtures of lipids and cholesterol by Komura, S, Shirotori, H, Olmsted, P. D, Andelman, D

“…In an effort to understand “rafts” in biological membranes, we propose phenomenological models for saturated and unsaturated lipid mixtures, and…”
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The interplay between boundary conditions and flow geometries in shear banding: Hysteresis, band configurations, and surface transitions by Adams, J.M., Fielding, S.M., Olmsted, P.D.

“…We study shear banding flows in models of wormlike micelles or polymer solutions, and explore the effects of different boundary conditions for the viscoelastic…”
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Early stage kinetics in a unified model of shear-induced demixing and mechanical shear banding instabilities by Fielding, S M, Olmsted, P D

“…We present a unified model of shear-induced demixing and "mechanical" shear banding instabilities in polymeric and surfactant solutions, by combining a simple…”
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Disentanglement effects on welding behaviour of polymer melts during the fused-filament-fabrication method for additive manufacturing by McIlroy, C., Olmsted, P.D.

“…Although 3D printing has the potential to transform manufacturing processes, the strength of printed parts often does not rival that of…”
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Time scales in shear banding of wormlike micelles by Radulescu, O, Olmsted, P. D, Decruppe, J. P, Lerouge, S, Berret, J.-F, Porte, G

“…Transient stress and birefringence measurements are performed on wormlike micellar solutions that “shear band”, i.e. undergo flow-induced coexistence of states…”
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Early Stages of Crystallization in Isotactic Polypropylene by Heeley, E. L, Maidens, A. V, Olmsted, P. D, Bras, W, Dolbnya, I. P, Fairclough, J. P. A, Terrill, N. J, Ryan, A. J

“…An experimental study of the early stages of crystallization in iPP has shown a qualitative difference between the behavior at low supercooling with that…”
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Vorticity banding during the lamellar-to-onion transition in a lyotropic surfactant solution in shear flow by WILKINS, G. M. H, OLMSTED, P. D

“…We report on the rheology of a lyotropic lamellar surfactant solution (SDS/dodecane/pentanol/ water), and identify a discontinuous transition between two shear…”
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Microscopic Viscoelasticity: Shear Moduli of Soft Materials Determined from Thermal Fluctuations by Gittes, F., Schnurr, B., Olmsted, P. D., MacKintosh, F. C., Schmidt, C. F.

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Nonmonotonic models are not necessary to obtain shear banding phenomena in entangled polymer solutions by Adams, J M, Olmsted, P D

“…Recent experiments on entangled polymer solutions may indicate a constitutive instability, and have led some to question the validity of existing constitutive…”
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Two-dimensional perturbations in a scalar model for shear banding by Dubbeldam, J. L. A., Olmsted, P. D.

“…We present an analytical study of a toy model for shear banding, without normal stresses, which uses a piecewise linear approximation to the flow curve (shear…”
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Equilibrium onions? by Ramos, L, Roux, D, Olmsted, P. D, Cates, M. E

“…We demonstrate the possibility of a stable equilibrium multi-lamellar (“onion”) phase in pure lamellar systems (no excess solvent) due to a sufficiently…”
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The effect of shear flow on the Helfrich interaction in lyotropic lamellar systems by Marlow, S W, Olmsted, P D

“…We study the effect of shear flow on the entropic Helfrich interaction in lyotropic surfactant smectic fluids. Arguing that flow induces an effective…”
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Kinetics of the shear banding instability in startup flows by Fielding, S M, Olmsted, P D

“…Motivated by recent light scattering experiments on semidilute wormlike micelles, we study the early stages of the shear banding instability using the nonlocal…”
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Spinodal-Assisted Crystallization in Polymer Melts by Olmsted, P. D., Poon, W. C. K., McLeish, T. C. B., Terrill, N. J., Ryan, A. J.

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Budding and domain shape transformations in mixed lipid films and bilayer membranes by Harden, J L, Mackintosh, F C, Olmsted, P D

“…We study the stability and shapes of domains with spontaneous curvature in fluid films and membranes, embedded in a surrounding membrane with zero spontaneous…”
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