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- C M Pooley, K Furtado
- Physical review. E, Statistical, nonlinear, and…
- 2008

Spurious velocities are unphysical currents that appear close to curved interfaces in diffuse interface methods. We analyze the causes of these spurious velocities in the free-energy lattice Boltzmann algorithm. By making a suitable choice of the equilibrium distribution, and by finding the best way to numerically calculate derivatives, we show that these… (More)

- G P Alexander, C M Pooley, J M Yeomans
- Physical review. E, Statistical, nonlinear, and…
- 2008

We describe the consequences of time-reversal invariance of the Stokes equations for the hydrodynamic scattering of two low-Reynolds-number swimmers. For swimmers that are related to each other by a time-reversal transformation, this leads to the striking result that the angle between the two swimmers is preserved by the scattering. The result is… (More)

- Elie Khalil, Matthew Robert Digby, +4 authors Kevin Roy Nicholas
- Genomics
- 2011

Marsupials provide a suitable alternative model to studying mammary gland involution. They have evolved a different reproductive strategy from eutherians, giving birth to an altricial young and secreting milk that changes in composition during lactation. In this study, we used a marsupial-specific EST microarray to identify 47 up-regulated genes during… (More)

- C M Pooley, G P Alexander, J M Yeomans
- Physical review letters
- 2007

We investigate the hydrodynamic interactions between micro-organisms swimming at low Reynolds number. By considering simple model swimmers, and combining analytic and numerical approaches, we investigate the time-averaged flow field around a swimmer. At short distances the swimmer behaves like a pump. At large distances the velocity field depends on whether… (More)

- G P Alexander, C M Pooley, J M Yeomans
- Journal of physics. Condensed matter : an…
- 2009

We describe in detail the hydrodynamics of a simple model of linked sphere swimmers. We calculate the asymptotic form of both the time averaged flow field generated by a single swimmer and the interactions between swimmers in a dilute suspension, showing how each depends on the parameters describing the swimmer and its swimming stroke. We emphasize the… (More)

- N Kikuchi, J F Ryder, C M Pooley, J M Yeomans
- Physical review. E, Statistical, nonlinear, and…
- 2005

We investigate numerically the dynamical behavior of a polymer chain collapsing in a dilute solution. The rate of collapse is measured with and without the presence of hydrodynamic interactions. We find that hydrodynamic interactions accelerate polymer collapse. We present a scaling theory describing the physical process responsible for the collapse… (More)

- C M Pooley, H Kusumaatmaja, J M Yeomans
- Physical review. E, Statistical, nonlinear, and…
- 2008

We show that, when a single relaxation time lattice Boltzmann algorithm is used to solve the hydrodynamic equations of a binary fluid for which the two components have different viscosities, strong spurious velocities in the steady state lead to incorrect results for the equilibrium contact angle. We identify the origins of these spurious currents and… (More)

- David J Earl, C M Pooley, J F Ryder, Irene Bredberg, J M Yeomans
- The Journal of chemical physics
- 2007

The authors employ three numerical methods to explore the motion of low Reynolds number swimmers, modeling the hydrodynamic interactions by means of the Oseen tensor approximation, lattice Boltzmann simulations, and multiparticle collision dynamics. By applying the methods to a three bead linear swimmer, for which exact results are known, the authors are… (More)

- C Fuentes-Grünewald, C Bayliss, M Zanain, C Pooley, M Scolamacchia, A Silkina
- Bioresource technology
- 2015

The culture strategy (batch or semi-continuous) was evaluated for biomass and metabolite formation in Porphyridium purpureum cultures in higher latitudes (>50° N). FTIR was used technology to characterise macromolecule biomass composition and the quality of the metabolites produced. Semi-continuous culture was found to be the most feasible strategy to… (More)

- R Verberg, C M Pooley, J M Yeomans, Anna C Balazs
- Physical review letters
- 2004

Using a mesoscale model for hydrodynamics, we simulate driven flow of AB binary fluids past surfaces that contain well-defined roughness or asperities. The geometry and wetting properties of the asperities are found to have a dramatic effect on the flow patterns. We isolate conditions where the A fluid forms vertical bands that bridge the asperities and an… (More)