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A depth-averaged model for non-isothermal thin-film rimming flow (2013)
Journal Article
Kay, E., Hibberd, S., & Power, H. (2014). A depth-averaged model for non-isothermal thin-film rimming flow. International Journal of Heat and Mass Transfer, 70, https://doi.org/10.1016/j.ijheatmasstransfer.2013.11.040

A model for non-isothermal shear-driven thin-film flow on the inside surface of a stationary circular cylinder is presented. Motivated by an application to film flow in an aero-engine bearing chamber the model extends lubrication theory analysis of t... Read More about A depth-averaged model for non-isothermal thin-film rimming flow.

Pragmatic optimisation methods for determining material constants of viscoplasticity model from isothermal experimental data (2013)
Journal Article
Rouse, J. P., Hyde, C. J., Sun, W., & Hyde, T. (in press). Pragmatic optimisation methods for determining material constants of viscoplasticity model from isothermal experimental data. Materials Science and Technology, 30(1), https://doi.org/10.1179/1743284713Y.0000000277

A procedure to estimate material constants for the unified Chaboche viscoplasticity model from experimental data has been published elsewhere; however several critical assumptions are made to enable this and potential numerical problems can limit the... Read More about Pragmatic optimisation methods for determining material constants of viscoplasticity model from isothermal experimental data.

Vibration suppression and coupled interaction study in milling of thin wall casings in the presence of tuned mass dampers (2013)
Journal Article
Kolluru, K. V., Axinte, D. A., Raffles, M. H., & Becker, A. A. (2014). Vibration suppression and coupled interaction study in milling of thin wall casings in the presence of tuned mass dampers. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 228(6), https://doi.org/10.1177/0954405413508769

Damping of machining vibrations in thin-wall structures is an important area of research due to the ever-increasing use of lightweight structures such as jet engine casings. Published literature has focussed on passive/active damping solutions for op... Read More about Vibration suppression and coupled interaction study in milling of thin wall casings in the presence of tuned mass dampers.

Finite element investigation of the effect of spina bifida on loading of the vertebral isthmus (2013)
Journal Article
Quah, C., Yeoman, M. S., Cizinauskas, A., Cooper, K., McNally, D., & Boszczyk, B. (2014). Finite element investigation of the effect of spina bifida on loading of the vertebral isthmus. Spine Journal, 14(4), https://doi.org/10.1016/j.spinee.2013.08.040

Background: Spondylolysis (SL) of the lower lumbar spine is frequently associated with spina bifida occulta (SBO). There has not been any study that has demonstrated biomechanical or genetic predispositions to explain the coexistence of these two pat... Read More about Finite element investigation of the effect of spina bifida on loading of the vertebral isthmus.

Usability of Geographic Information: current challenges and future directions (2013)
Journal Article
Brown, M., Sharples, S., Harding, J., Parker, C., Bearman, N., Maguire, M., …Jackson, M. (2013). Usability of Geographic Information: current challenges and future directions. Applied Ergonomics, 44(6), https://doi.org/10.1016/j.apergo.2012.10.013

The use of Geographic Information or GI, has grown rapidly in recent years. Previous research has identified the importance of usability and user centred design in enabling the proliferation and exploitation of GI. However, the design and developme... Read More about Usability of Geographic Information: current challenges and future directions.

Linking vertical bulk-heterojunction composition and transient photocurrent dynamics in organic solar cells with solution-processed MoOx contact layers (2013)
Journal Article
Tremolet de Villers, B. J., MacKenzie, R. C., Jasieniak, J. J., Treat, N. D., & Chabinyc, M. L. (2014). Linking vertical bulk-heterojunction composition and transient photocurrent dynamics in organic solar cells with solution-processed MoOx contact layers. Advanced Energy Materials, 4(5), Article 1301290. https://doi.org/10.1002/aenm.201301290

It is demonstrated that a combination of microsecond transient photocurrent measurements and fi lm morphology characterization can be used to identify a charge-carrier blocking layer within polymer:fullerene bulk-heterojunction solar cells. Solution-... Read More about Linking vertical bulk-heterojunction composition and transient photocurrent dynamics in organic solar cells with solution-processed MoOx contact layers.

Inertial effects at moderate Reynolds number in thin-film rimming flows driven by surface shear (2013)
Journal Article
Kay, E., Hibberd, S., & Power, H. (in press). Inertial effects at moderate Reynolds number in thin-film rimming flows driven by surface shear. Physics of Fluids, 25(10), https://doi.org/10.1063/1.4825134

In this paper, we study two-dimensional thin-film flow inside a stationary circular cylinder driven by an imposed surface shear stress. Modelling is motivated by a need to understand the cooling and film dynamics provided by oil films in an aero-engi... Read More about Inertial effects at moderate Reynolds number in thin-film rimming flows driven by surface shear.

Discrete element modelling of material non-coaxiality in simple shear flows (2013)
Journal Article
Ai, J., Langston, P. A., & Yu, H. (2014). Discrete element modelling of material non-coaxiality in simple shear flows. International Journal for Numerical and Analytical Methods in Geomechanics, 38(6), 615-635. https://doi.org/10.1002/nag.2230

We investigate the quasi-static simple shear flow of a two-dimensional assembly of cohesionless particles using discrete element method (DEM) simulations. We focus on the unsteady flow regime where the solid would experience significant evolution of... Read More about Discrete element modelling of material non-coaxiality in simple shear flows.

Determination of elastic and viscoplastic material properties obtained from indentation tests using a combined finite element analysis and optimization approach (2013)
Journal Article
Kang, J., Becker, A. A., & Sun, W. (2015). Determination of elastic and viscoplastic material properties obtained from indentation tests using a combined finite element analysis and optimization approach. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 229(3), https://doi.org/10.1177/1464420713504534

Conventional indentation tests do not provide an accurate estimation of viscoplastic material properties. In this work, a combined finite element analysis and optimization approach is developed for the determination of elastic–plastic and creep mater... Read More about Determination of elastic and viscoplastic material properties obtained from indentation tests using a combined finite element analysis and optimization approach.

A review on remanufacture of dies and moulds (2013)
Journal Article
Chen, C., Wang, Y., Ou, H., He, Y., & Tang, X. (2014). A review on remanufacture of dies and moulds. Journal of Cleaner Production, 64, https://doi.org/10.1016/j.jclepro.2013.09.014

Dies and moulds, which are essential tools for manufacturing engineered products, usually fail or become obsolete after a certain period of use for a variety of reasons. Thus, they often need remanufacture. The objectives of this paper are to review... Read More about A review on remanufacture of dies and moulds.

Predicting the coefficient of thermal expansion for textile composites based on a unit cell approach (2013)
Conference Proceeding
Brown, L. P., Zeng, X., Long, A. C., Brooks, R., & Jones, I. A. (2013). Predicting the coefficient of thermal expansion for textile composites based on a unit cell approach.

The study focuses on unit cell FE modelling to predict coefficients of thermal expansion (CTEs) for sheared fabric laminates. Shear, as a dominant deformation mode in textile composites forming, introduces high degrees of anisotropy in both elasticit... Read More about Predicting the coefficient of thermal expansion for textile composites based on a unit cell approach.

Recent developments in the realistic geometric modelling of textile structures using TexGen (2013)
Conference Proceeding
Brown, L. P., Zeng, X., Long, A., & Jones, I. A. (2013). Recent developments in the realistic geometric modelling of textile structures using TexGen.

Realistic geometric representation of fabrics is essential for modelling of mechanical and physical properties of textiles and textile composites. It is also advantageous to be able to generate those models quickly and easily. Recent developments in... Read More about Recent developments in the realistic geometric modelling of textile structures using TexGen.

Small ring testing of a creep resistant material (2013)
Journal Article
Hyde, C. J., Hyde, T., Sun, W., Nardone, S., & De Bruycker, E. (2013). Small ring testing of a creep resistant material. Materials Science and Engineering: A, 586, https://doi.org/10.1016/j.msea.2013.07.081

Many components in conventional and nuclear power plant, aero-engines, chemical plant etc., operate at temperatures which are high enough for creep to occur. These include steam pipes, pipe branches, gas and steam turbine blades, etc. The manufacture... Read More about Small ring testing of a creep resistant material.

Visualizing charge separation in bulk heterojunction organic solar cells (2013)
Journal Article
Vithanage, D. A., Devižis, A., Abramavičius, V., Infahsaeng, Y., Abramavičius, D., MacKenzie, R., …Gulbinas, V. (2013). Visualizing charge separation in bulk heterojunction organic solar cells. Nature Communications, 4, Article 2334. https://doi.org/10.1038/ncomms3334

Solar cells based on conjugated polymer and fullerene blends have been developed as a low-cost alternative to silicon. For efficient solar cells, electron–hole pairs must separate into free mobile charges that can be extracted in high yield. We still... Read More about Visualizing charge separation in bulk heterojunction organic solar cells.

Characterization of viscoplasticity behaviour of P91 and P92 power plant steels (2013)
Journal Article
Saad, A. A., Hyde, T., Sun, W., Hyde, C. J., & Tanner, D. W. J. (2013). Characterization of viscoplasticity behaviour of P91 and P92 power plant steels. International Journal of Pressure Vessels and Piping, 111-112, https://doi.org/10.1016/j.ijpvp.2013.08.001

This paper deals with the determination of material constitutive model for P91 and P92 steels at high temperatures. An isothermal, strain-controlled test programme was conducted for both steels for a temperature range between 400 and 675 °C. The expe... Read More about Characterization of viscoplasticity behaviour of P91 and P92 power plant steels.

Anionic polymerisation of caprolactam at the small-scale via DSC investigations (2013)
Journal Article
Khodabakhshi, K., Gilbert, M., Fathi, S., & Dickens, P. (2014). Anionic polymerisation of caprolactam at the small-scale via DSC investigations. Journal of Thermal Analysis and Calorimetry, 115, 383-391. https://doi.org/10.1007/s10973-013-3344-4

This work was part of a major project aiming to produce polyamide 6 parts using an additive manufacturing process. This is by manufacturing 3D parts layer by layer. The influence of heating strategy (heating rate, cooling rate and maximum temperature... Read More about Anionic polymerisation of caprolactam at the small-scale via DSC investigations.

Comparison of several optimisation strategies for the determination of material constants in the Chaboche visco-plasticity model (2013)
Journal Article
Rouse, J. P., Hyde, C. J., Sun, W., & Hyde, T. (2013). Comparison of several optimisation strategies for the determination of material constants in the Chaboche visco-plasticity model. Journal of Strain Analysis for Engineering Design, 48(6), https://doi.org/10.1177/0309324713490925

Determining representative material constant sets for models that can accurately predict the complex plasticity and creep behaviour of components undergoing cyclic loading is of great interest to many industries. The Chaboche unified visco-plasticity... Read More about Comparison of several optimisation strategies for the determination of material constants in the Chaboche visco-plasticity model.

Effective determination of cyclic-visco-plasticity material properties using an optimisation procedure and experimental data exhibiting scatter (2013)
Journal Article
Rouse, J. P., Hyde, C. J., Sun, W., & Hyde, T. H. (2013). Effective determination of cyclic-visco-plasticity material properties using an optimisation procedure and experimental data exhibiting scatter. Materials at High Temperatures, 30(2), 117-128. https://doi.org/10.3184/096034013x13720928952114

It may be inevitable in the design and analysis of most high temperature components (such as power industry pipe work) that variations in load and/or temperature will occur in normal operation. This presents complications in the prediction of the res... Read More about Effective determination of cyclic-visco-plasticity material properties using an optimisation procedure and experimental data exhibiting scatter.

Introducing PEGI: a usability process for the practical evaluation of Geographic Information (2013)
Journal Article
Brown, M., Sharples, S., & Harding, J. (2013). Introducing PEGI: a usability process for the practical evaluation of Geographic Information. International Journal of Human-Computer Studies, 71(6), https://doi.org/10.1016/j.ijhcs.2013.01.004

As the use of Geographic Information (GI) is becoming more widespread, the usability of GI is being recognised as an important issue. However, exploring the usability of information products brings with it a range of problems that are not easily han... Read More about Introducing PEGI: a usability process for the practical evaluation of Geographic Information.