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All Outputs (191)

Voting intentions on social media and political opinion polls (2021)
Journal Article
Pekar, V., Najafi, H., Binner, J., Swanson, R., Rickard, C., & Fry, J. (in press). Voting intentions on social media and political opinion polls. Government information quarterly, Article 101658. https://doi.org/10.1016/j.giq.2021.101658

Opinion polls play an important role in modern democratic processes: they are known to not only affect the outcomes of elections, but also have a significant influence on government policy after elections. Recent years have seen large discrepancies b... Read More about Voting intentions on social media and political opinion polls.

Effect of hydrodynamic heterogeneity on particle dispersion in a Taylor-Couette flow reactor with variable configurations of inner cylinder (2021)
Journal Article
Liu, L., Yang, X., Yang, J., Li, G., Guo, Y., Wang, G., & Wang, L.-P. (2022). Effect of hydrodynamic heterogeneity on particle dispersion in a Taylor-Couette flow reactor with variable configurations of inner cylinder. Journal of the Taiwan Institute of Chemical Engineers, 131, Article 104141. https://doi.org/10.1016/j.jtice.2021.11.008

Background Effect of hydrodynamic heterogeneity on particle dispersion in a Taylor-Couette flow (TC) reactor with variable configurations of inner cylinder has been investigated using CFD modelling. Methods Particle dispersion was tracked based... Read More about Effect of hydrodynamic heterogeneity on particle dispersion in a Taylor-Couette flow reactor with variable configurations of inner cylinder.

Ascent concordance (2021)
Journal Article
Rushworth, W. (2021). Ascent concordance. Algebraic and Geometric Topology, 21(6), 3073–3106. https://doi.org/10.2140/agt.2021.21.3073

A cobordism between links in thickened surfaces consists of a surface $ S $ and a $3$-manifold $M $, with $ S $ properly embedded in $ M \times I $. We show that there exist links in thickened surfaces such that if $(S,M) $ is a cobordism between the... Read More about Ascent concordance.

A parity for 2-colourable links (2021)
Journal Article
Rushworth, W. (2021). A parity for 2-colourable links. Osaka Journal of Mathematics, 58(4), 767–801

We introduce the 2-colour parity. It is a theory of parity for a large class of virtual links, defined using the interaction between orientations of the link components and a certain type of colouring. The 2-colour parity is an extension of the Gauss... Read More about A parity for 2-colourable links.

Regularized Stokeslets lines suitable for slender bodies in viscous flow (2021)
Journal Article
Zhao, B., & Koens, L. (2021). Regularized Stokeslets lines suitable for slender bodies in viscous flow. Fluids, 6(9), Article 335. https://doi.org/10.3390/fluids6090335

Slender-body approximations have been successfully used to explain many phenomena in low-Reynolds number fluid mechanics. These approximations typically use a line of singularity solutions to represent flow. These singularities can be difficult to im... Read More about Regularized Stokeslets lines suitable for slender bodies in viscous flow.

Automated data processing of bank statements for cash balance forecasting (2021)
Journal Article
Griguta, V., Gerber, L., Slater-Petty, H., Crockett, K., & Fry, J. (2021). Automated data processing of bank statements for cash balance forecasting. Lecture Notes in Networks and Systems, 284, 49-64. https://doi.org/10.1007/978-3-030-80126-7_5

The forecasting of cash inflows and outflows across multiple business operations plays an important role in the financial health of medium and large enterprises. Historically, this function was assigned to specialized treasury departments who project... Read More about Automated data processing of bank statements for cash balance forecasting.

Managing performance expectations in association football (2021)
Journal Article
Fry, J., Serbera, J., & Wilson, R. (2021). Managing performance expectations in association football. Journal of business research, 135, 445-453. https://doi.org/10.1016/j.jbusres.2021.06.052

Motivated by excessive managerial pressure and sackings, together with associated questions over the inefficient use of scarce resources, we explore realistic performance expectations in association football. Our aim is to improve management quality... Read More about Managing performance expectations in association football.

Local drag of a slender rod parallel to a plane wall in a viscous fluid (2021)
Journal Article
Koens, L., & Montenegro-Johnson, T. D. (2021). Local drag of a slender rod parallel to a plane wall in a viscous fluid. Physical Review Fluids, 6(6), Article 064101. https://doi.org/10.1103/PhysRevFluids.6.064101

The viscous drag on a slender rod by a wall is important to many biological and industrial systems. This drag critically depends on the separation between the rod and the wall and can be approximated asymptotically in specific regimes, namely far fro... Read More about Local drag of a slender rod parallel to a plane wall in a viscous fluid.

Introducing pre-impact air-cushioning effects into the Wagner model of impact theory (2021)
Journal Article
Moore, M. R. (2021). Introducing pre-impact air-cushioning effects into the Wagner model of impact theory. Journal of engineering mathematics, 129(1), Article 6. https://doi.org/10.1007/s10665-021-10137-z

In this analysis, we consider the effects of non-quiescent initial conditions driven by pre-impact air–water interactions on the classical Wagner model of impact theory. We consider the problem of a rigid, solid impactor moving vertically towards a l... Read More about Introducing pre-impact air-cushioning effects into the Wagner model of impact theory.

Modelling corporate bank accounts (2021)
Journal Article
Fry, J., Griguta, V.-M., Gerber, L., Slater-Petty, H., & Crockett, K. (2021). Modelling corporate bank accounts. Economics letters, 205, Article 109924. https://doi.org/10.1016/j.econlet.2021.109924

We discuss the modelling of corporate bank accounts using a proprietary dataset. We thus offer a principled treatment of a genuine industrial problem. The corporate bank accounts in our study constitute spare, irregularly-spaced time series that may... Read More about Modelling corporate bank accounts.

Minimal crossing number implies minimal supporting genus (2021)
Journal Article
Boden, H., & Rushworth, W. (2021). Minimal crossing number implies minimal supporting genus. Bulletin of the London Mathematical Society, 53(4), 1174-1184. https://doi.org/10.1112/blms.12491

A virtual link may be defined as an equivalence class of diagrams, or alternatively as a stable equivalence class of links in thickened surfaces. We prove that a minimal crossing virtual link diagram has minimal genus across representatives of the st... Read More about Minimal crossing number implies minimal supporting genus.

Geometric phase methods with Stokes theorem for a general viscous swimmer (2021)
Journal Article
Koens, L., & Lauga, E. (2021). Geometric phase methods with Stokes theorem for a general viscous swimmer. Journal of Fluid Mechanics, 916, Article A17. https://doi.org/10.1017/jfm.2021.181

The geometric phase techniques for swimming in viscous flows express the net displacement of a swimmer as a path integral of a field in configuration space. This representation can be transformed into an area integral for simple swimmers using the St... Read More about Geometric phase methods with Stokes theorem for a general viscous swimmer.

Project ThaiPASS: international outreach blending astronomy and Python (2021)
Journal Article
Keegans, J. D., Stancliffe, R. J., Bilton, L. E., Cashmore, C. R., Gibson, B. K., Kristensen, M. T., Lawson, T. V., Pignatari, M., Vaezzadeh, I., Côté, B., & Chongchitnan, S. (2021). Project ThaiPASS: international outreach blending astronomy and Python. Physics Education, 56(3), Article 035001. https://doi.org/10.1088/1361-6552/abdae7

We present our outreach program, the Thailand–UK Python+Astronomy Summer School (ThaiPASS), a collaborative project comprising UK and Thai institutions and assess its impact and possible application to schools in the United Kingdom. Since its incepti... Read More about Project ThaiPASS: international outreach blending astronomy and Python.

Effect of hydrodynamic heterogeneity on micromixing intensification in a Taylor–Couette flow reactor with variable configurations of inner cylinder (2021)
Journal Article
Liu, L., Yang, X., Yang, J., Li, G., & Guo, Y. (2021). Effect of hydrodynamic heterogeneity on micromixing intensification in a Taylor–Couette flow reactor with variable configurations of inner cylinder. AIChE Journal, 67(7), Article e17225. https://doi.org/10.1002/aic.17225

Effect of hydrodynamic heterogeneity on micromixing intensification in a Taylor–Couette flow (TC) reactor with variable configurations of inner cylinder has been investigated by adoption of a parallel competing iodide-iodate reaction system. Two type... Read More about Effect of hydrodynamic heterogeneity on micromixing intensification in a Taylor–Couette flow reactor with variable configurations of inner cylinder.

Explicit and asymptotic solutions for frictional incomplete half-plane contacts subject to general oscillatory loading in the steady-state (2020)
Journal Article
Andresen, H., Fleury, R., Moore, M., & Hills, D. (2021). Explicit and asymptotic solutions for frictional incomplete half-plane contacts subject to general oscillatory loading in the steady-state. Journal of the Mechanics and Physics of Solids, 146, Article 104214. https://doi.org/10.1016/j.jmps.2020.104214

This contribution presents an asymptotic formulation for the stick-slip behaviour of incomplete contacts under oscillatory variation of normal load, moment, shear load and differential bulk tension. The asymptotic description allows us not only to ap... Read More about Explicit and asymptotic solutions for frictional incomplete half-plane contacts subject to general oscillatory loading in the steady-state.

Representation of incomplete contact problems by half-planes (2020)
Journal Article
Andresen, H., Hills, D., & Moore, M. (2021). Representation of incomplete contact problems by half-planes. European Journal of Mechanics - A/Solids, 85, Article 104138. https://doi.org/10.1016/j.euromechsol.2020.104138

for finding the optimal choices of the applied remote loads – the applied normal force, moment, shear force and remote bulk stresses – needed to solve frictional contact problems in partial-slip using half-plane theory are derived by using data from... Read More about Representation of incomplete contact problems by half-planes.

A note on the Stokes phenomenon in flow under an elastic sheet: Stokes Phenomenon in flow under a sheet (2020)
Journal Article
Lustri, C. J., Koens, L., & Pethiyagoda, R. (2020). A note on the Stokes phenomenon in flow under an elastic sheet: Stokes Phenomenon in flow under a sheet. Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, 378(2179), Article 20190530. https://doi.org/10.1098/rsta.2019.0530

The Stokes phenomenon is a class of asymptotic behaviour that was first discovered by Stokes in his study of the Airy function. It has since been shown that the Stokes phenomenon plays a significant role in the behaviour of surface waves on flows pas... Read More about A note on the Stokes phenomenon in flow under an elastic sheet: Stokes Phenomenon in flow under a sheet.