Research Repository

See what's under the surface


An experimental evaluation of geocell and EPS geofoam as means of protecting pipes at the bottom of repeatedly loaded trenches (2019)
Journal Article
Moghaddas Tafreshi, S., Darabi, N. J., Dawson, A., & Azizian, M. (in press). An experimental evaluation of geocell and EPS geofoam as means of protecting pipes at the bottom of repeatedly loaded trenches. International Journal of Geomechanics,

With growing populations and continuing urban development, embedding pipes in the ground that are then over-run by traffic is inevitable. This paper describes full-scale prototype tests on high-density polyethylene (HDPE) flexible pipes (of 250 mm di... Read More

Improved phosphate-based glass fibre performance achieved through acid etch/polydopamine treatment (2019)
Journal Article
Parsons, A. J., Felfel, R. M., Wadge, M. D., & Grant, D. M. (2019). Improved phosphate-based glass fibre performance achieved through acid etch/polydopamine treatment. International Journal of Applied Glass Science, https://doi.org/10.1111/ijag.13672

Phosphate based glass fibres (PGF) are of interest as reinforcements for degradable implants, but have seen limited application due to their rapid loss of strength when subjected to aqueous conditions. Previous studies have utilised heat treatments t... Read More

The role of microstructural development in the hydrothermal corrosion of cast and HIPed Stellite 6 analogues in simulated PWR conditions (2019)
Journal Article
Karimi, G., Carrington, M., Thomas, J., Shipway, P., Stewart, D., & Hussain, T. (2019). The role of microstructural development in the hydrothermal corrosion of cast and HIPed Stellite 6 analogues in simulated PWR conditions. Corrosion Science, doi:10.1016/j.corsci.2019.108141

The corrosion behaviour of cast and HIPed Stellite 6 analogue materials in PWR-simulating conditions was investigated. The cast alloy exhibited localised corrosion at the boundary between the matrix and the M7C3 carbides, with this being attributed t... Read More

Three-dimensional resonating metamaterials for low-frequency vibration attenuation (2019)
Journal Article
Elmadih, W., Chronopoulos, D., Syam, W., Maskery, I., Meng, H., & Leach, R. (2019). Three-dimensional resonating metamaterials for low-frequency vibration attenuation. Scientific Reports, 9(1), doi:10.1038/s41598-019-47644-0

Recent advances in additive manufacturing have enabled fabrication of phononic crystals and metamaterials which exhibit spectral gaps, or stopbands, in which the propagation of elastic waves is prohibited by Bragg scattering or local resonance effect... Read More

Phase-field material point method for dynamic brittle fracture with isotropic and anisotropic surface energy (2019)
Journal Article
Kakouris, E. G., & Triantafyllou, S. P. (2019). Phase-field material point method for dynamic brittle fracture with isotropic and anisotropic surface energy. Computer Methods in Applied Mechanics and Engineering, 357, doi:10.1016/j.cma.2019.06.014

A novel phase field material point method is introduced for robust simulation of dynamic fracture in elastic media considering the most general case of anisotropic surface energy. Anisotropy is explicitly introduced through a properly defined crack d... Read More

Dynamic column loss analysis of reinforced concrete flat slabs (2019)
Journal Article
Russell, J., Owen, J., & Hajirasouliha, I. (2019). Dynamic column loss analysis of reinforced concrete flat slabs. Engineering Structures, 198, doi:10.1016/j.engstruct.2019.109453

The sudden column loss idealisation is a useful design tool to assess structures for progressive collapse. As such an event is a dynamic problem, suitable account must be taken of these effects. This can either be achieved by a full dynamic analysis... Read More

Developing a sustainable route to environmentally relevant metal-organic frameworks: ultra-rapid synthesis of MFM-300(Al) using microwave heating (2019)
Journal Article
Thomas-Hillman, I., Stevens, L. A., Lange, M., Möllmer, J., Lewis, W., Dodds, C., …Laybourn, A. (2019). Developing a sustainable route to environmentally relevant metal-organic frameworks: ultra-rapid synthesis of MFM-300(Al) using microwave heating. Green Chemistry, doi:10.1039/c9gc02375e

NO2, SO2 and CO2 are major air pollutants causing significant environmental and health problems. Metal-organic frameworks (MOFs), in particular [Al2(OH)2(C16O8H6)](H2O)6 (trivial names: NOTT-300/MFM-300(Al)), have shown great promise for capturing th... Read More

Switchable ETFE cushion: designing and building a model for experimental testing (2019)
Conference Proceeding
Flor, J., Sun, Y., Beccarelli, P., Wu, Y., & Chilton, J. (2019). Switchable ETFE cushion: designing and building a model for experimental testing. In C. Lázaro, K. Bletzinger, & E. Oñate (Eds.), Proceedings of the IASS Annual Symposium 2019 – Structural Membranes 2019

Adaptive façade systems have the potential for saving energy and enhancing comfort conditions in buildings. Creating working models with materials, components and functions which embody the design idea of a responsive building envelope is an importan... Read More

An adaptive scaled network for public transport route optimisation (2019)
Journal Article
Heyken Soares, P., Mumford, C. L., Amponsah, K., & Mao, Y. (2019). An adaptive scaled network for public transport route optimisation. Public Transport, doi:10.1007/s12469-019-00208-x

We introduce an adaptive network for public transport route optimisation by scaling down the available street network to a level where optimisation methods such as genetic algorithms can be applied. Our scaling is adapted to preserve the characterist... Read More

Determining the continuous thermo-optic coefficients of chalcogenide glass thin films in the MIR region using FTIR transmission spectra (2019)
Journal Article
Fang, Y., Furniss, D., Jayasuriya, D., Parnell, H., Tang, Z., Seddon, A. B., & Benson, T. M. (2019). Determining the continuous thermo-optic coefficients of chalcogenide glass thin films in the MIR region using FTIR transmission spectra. Optics Express, 27(16), 22275-22288. doi:10.1364/OE.27.022275

A new method (FTIR continuous dn / dT method, n is refractive index and T temperature) for measuring the continuous thermo-optic coefficients of thin transparent films in the mid-infrared (MIR) spectral region is introduced. The technique is based on... Read More

Production and characterisation of novel phosphate glass fibre yarns, textiles, and textile composites for biomedical applications (2019)
Journal Article
Wang, Y., Liu, X., Zhu, C., Parsons, A., Liu, J., Huang, S., …Sharmin, N. (2019). Production and characterisation of novel phosphate glass fibre yarns, textiles, and textile composites for biomedical applications. Journal of the Mechanical Behavior of Biomedical Materials, 99, 47-55. doi:10.1016/j.jmbbm.2019.07.017

This work presents manufacturing, processing and characterisation of the phosphate glass fibre (PGF) products for biomedical applications, including multifilament PGF strands, yarns and textiles, and PGF textile composites. The multifilament producti... Read More

Towards a streamlined stacking sequence optimisation methodology for blended composite aircraft structures (2019)
Conference Proceeding
Ntourmas, G., Özcan, E., Chronopoulos, D., Glock, F., & Daoud, F. (2019). Towards a streamlined stacking sequence optimisation methodology for blended composite aircraft structures. In Proceedings of 8th European Conference for Aeronautics and Aerospace Sciences (EUCASS)

In order to fully exploit the benefits provided by using composite materials in large scale aerospace structures, more efficient detailed design optimisation techniques need to be developed. In the present work, the optimisation procedure is split up... Read More

Uncertainty quantification in ultrasonic guided-waves based damage localization (2019)
Conference Proceeding
Cantero-Chinchilla, S., Chiachío, J., Chiachío, M., Chronopoulos, D., Jones, A., Essa, Y., & Martín De La Escalera, F. (2019). Uncertainty quantification in ultrasonic guided-waves based damage localization

Bayesian methods for inverse problems offer higher robustness to noise and uncertainty than deterministic, yet accurate, inference methods. Both types of techniques typically focus on finding optimal model parameters that minimize an objective functi... Read More

Image processing algorithm to determine an optimised 2D laser cutting trajectory (2019)
Conference Proceeding
Syam, W. P., Bansal, R., Benardos, P., Britchford, E., Hopkinson, A., Voisey, K., & Branson, D. T. (2019). Image processing algorithm to determine an optimised 2D laser cutting trajectory. In Proceedings of 25th IEEE International Conference on Automation & Computing (ICAC'19)

Laser cutting processes offer high-quality and fast cutting capability across a wide variety of materials, including metals, plastics and organic tissues. To enable 2D laser cutting process, a set of (x, y) Cartesian coordinates that form a cutting t... Read More

Partial safety factors for prestressed concrete girders strengthened with CFRP laminates (2019)
Journal Article
Dias-Da-Costa, D., Neves, L., Gomes, S., Graça-E-Costa, R., Hadigheh, S., & Fernandes, P. (in press). Partial safety factors for prestressed concrete girders strengthened with CFRP laminates. Journal of Composites for Construction,

This paper provides a framework for the calibration of partial safety factors in prestressed concrete (PC) girders strengthened in flexure with carbon fibre-reinforced polymer (CFRP) laminates. A hybrid approach was proposed to take advantage of comp... Read More

Modelling the effect of hydrogen on crack growth in zirconium (2019)
Journal Article
Lloyd, A. L., Smith, R., Wootton, M. J., Andrews, J., Arul, J., Muruva, H. P., & Vinod, G. (2019). Modelling the effect of hydrogen on crack growth in zirconium. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 455, 13-20. doi:10.1016/j.nimb.2019.06.017

Via molecular dynamics simulations, the effects of hydrogen on stress evolution of -zirconium and crack propagation in monocrystalline and multiple grained zirconium systems are investigated. Diffusion barriers are shown to reduce when strain is appl... Read More

Automated assessment of object coverage in smart, optical form measurement (2019)
Conference Proceeding
Catalucci, S., Senin, N., Stavroulakis, P., & Leach, R. (2019). Automated assessment of object coverage in smart, optical form measurement. In Proceedings of 19th International euspen Conference & Exhibition

As part of a project to develop a smart 3D form measurement system for quality control of complex 3D parts, we present early work in algorithmic assessment of coverage achieved on the surfaces of a part subjected to optical measurement from a single... Read More