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UCL ›› Department of Mathematics ›› Prof Helen J Wilson ›› Publications |

PUBLISHED OR IN PRESS

Rheology of a suspension of deformable spheres in a weakly viscoelastic fluid Journal of Non-Newtonian Fluid Mechanics, vol. 330, 105262, 2024.

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Understanding viscoelastic flow instabilities: Oldroyd-B and beyond Journal of Non-Newtonian Fluid Mechanics vol. 302, 104742, 2022.

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On the shear thinning of non-Brownian particle suspensions: friction or adhesion? Journal of Non-Newtonian Fluid Mechanics vol. 281, 104298, 2020.

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Taylor Couette Instability in Disk Suspensions: Experimental Observation and Theory. Physical Review Fluids vol. 5, 083302, 2020.

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Investigation into the rheology of a solid sphere suspension in second-order fluid using a cell model. Physical Review Fluids vol. 5, 083301, 2020.

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Bulk and interfacial modes of instability in
channel flow of thixotropic-viscoelasto-plastic fluids with shear-banding. Journal of Non-Newtonian Fluid Mechanics vol. 284, 104357, 2020.

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Suspension rheology of adhesive particles at high shear-rates. Physical Review Fluids vol. 5, 053302, 2020.

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Constitutive model for shear-thickening suspensions: Predictions for steady shear with superposed transverse oscillations. Journal of Rheology vol. 64, 353-365, 2020.

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Constitutive model for time-dependent flows of shear-thickening suspensions. Physical Review Letters vol. 123, 214504, 2019.

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Effect of normal contact forces on the stress in shear rate invariant particle suspensions. Physical Review Fluids vol. 4, 013301, 2019.

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Small- and large-amplitude oscillatory rheometry with bead–spring dumbbells in Stokesian Dynamics to mimic viscoelasticity. Journal of Non-Newtonian Fluid Mechanics vol. 261, pp. 136-152, 2018.

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Elastic instabilities in pressure-driven channel flow of thixotropic-viscoelasto-plastic fluids. Journal of Non-Newtonian Fluid Mechanics vol. 261, pp. 10-24, 2018.

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Anomalous effect of turning off long-range mobility interactions in Stokesian Dynamics. Physics of Fluids vol. 30, 077103, 2018.

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"Shear thickening" in non-shear flows: the effect of microstructure. Journal of Fluid Mechanics vol. 836, pp. 1-4, 2018.

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Frictional shear thickening in suspensions: The effect of rigid asperities. Physics of Fluids, vol. 29, 121607, 2017.

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Simulations of a heavy ball falling through a sheared suspension. Journal of Engineering Mathematics, vol. 107 (1), pp. 179-200, 2017.

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Towards a mechanism for instability in channel flow of highly shear-thinning viscoelastic fluids. Journal of Non-Newtonian Fluid Mechanics, vol. 247, pp. 15-21, 2017.

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Shear stress of a monolayer of rough spheres – CORRIGENDUM. Journal of Fluid Mechanics, vol. 814, pp. 614-617, 2017.

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Linear instability of a highly shear-thinning fluid in channel flow. Journal of Non-Newtonian Fluid Mechanics, vol. 223, pp. 200-208, 2015.

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Rolie-Poly fluid flowing through constrictions: Two distinct instabilities. Journal of Non-Newtonian Fluid Mechanics, vol. 195, pp. 77-87, 2013.

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Shear banding and interfacial instability in planar Poiseuille flow. Journal of Non-Newtonian Fluid Mechanics, vol. 165, pp. 196-202, 2010.

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Molecular physics of a polymer engineering instability: experiments and computation. Physical Review E, 77(5), pp. 050801, 2008.

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A parallel adaptive unstructured finite volume method for linear stability (normal mode) analysis of viscoelastic fluid flows. Journal of Non-Newtonian Fluid Mechanics, vol. 155, pp. 1-14, 2008.

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A semi-staggered dilation-free finite volume method for the numerical solution of viscoelastic fluid flows on all-hexahedral elements. Journal of Non-Newtonian Fluid Mechanics, vol. 147, pp. 79-91, 2007.

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Instabilities and constitutive modelling. Philosophical Transactions of the Royal Society A, vol. 364, pp. 3267-3283, 2006.

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Linear instability of planar shear banded flow of both diffusive and non-diffusive Johnson-Segalman fluids. Journal of Non-Newtonian Fluid Mechanics, vol. 138, pp. 181-196, 2006.

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Competition and interaction of polydisperse bubbles in polymer foams. Journal of Non-Newtonian Fluid Mechanics, vol. 137, pp. 60-71, 2006.

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Bubble growth in a two-dimensional viscoelastic foam. Journal of Non-Newtonian Fluid Mechanics, vol. 137, pp. 46-59, 2006.

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An analytic form for the pair distribution function and rheology of a dilute suspension of rough spheres in plane strain flow. Journal of Fluid Mechanics, vol. 534, pp. 97-114, 2005.

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Iterative convergence of passage-time densities in semi-Markov performance models. Performance Evaluation, vol. 60, pp. 237-254, 2005.

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Hypergraph-based Parallel Computation of Passage Time Densities in Large Semi-Markov Models. Journal of Linear Algebra and Applications, vol. 386(C), pp. 311-334, 2004.

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Solid-solid contacts due to surface roughness and their effects on suspension behaviour. Philosophical Transactions: Mathematical, Physical & Engineering Sciences, vol. 361, pp. 871-894, 2003.

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Bubble dynamics in viscoelastic fluids with application to reacting and non-reacting polymer foams. Journal of Non-Newtonian Fluid Mechanics, vol. 114, pp. 83-107, 2003.

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Shear stress of a monolayer of rough spheres. Journal of Fluid Mechanics, vol. 452, pp. 425-441, 2002.

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The viscosity of a dilute suspension of rough spheres. Journal of Fluid Mechanics, vol. 421, pp. 339-367, 2000.

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Aggregation of charged particles under electrophoresis or gravity at arbitrary Péclet numbers. Journal of Colloid and Interface Science, vol. 221, pp. 87-103, 2000.

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Instability of channel flow of a shear-thinning White-Metzner fluid. Journal of Non-Newtonian Fluid Mechanics, vol. 87, pp. 75-96, 1999.

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Instability of channel flows of elastic liquids having continuously stratified properties. Journal of Non-Newtonian Fluid Mechanics, vol. 85, pp. 273-298, 1999.

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Structure of the spectrum in zero Reynolds number shear flow of the UCM and Oldroyd-B liquids. Journal of Non-Newtonian Fluid Mechanics, vol. 80, pp. 251-268, 1999.

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Short wave instability of co-extruded elastic liquids with matched viscosities. Journal of Non-Newtonian Fluid Mechanics, vol. 72, pp. 237-251, 1997.

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PHD THESIS

. Last updated: Thu 4 July 2024