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Rapid prediction of fibre-dominant tensile failure in randomly oriented strands (2022)
Journal Article
Jesus, A., & Xu, X. (in press). Rapid prediction of fibre-dominant tensile failure in randomly oriented strands. Journal of Reinforced Plastics and Composites, https://doi.org/10.1177/07316844221107927

A stochastic morphological modelling framework has been established to predict the tensile behaviour of Randomly Oriented Strands made of ultra-thin Carbon Fibre Reinforced Thermoplastic prepreg tapes. The tape properties from their distributions are... Read More about Rapid prediction of fibre-dominant tensile failure in randomly oriented strands.

Optimisation of straight plate upstream deflector for the performance enhancement of vertical axis wind turbine at low, medium and high regimes of tip speed ratios (2022)
Journal Article
Syawitri, T. P., Yao, Y., Yao, J., & Chandra, B. (in press). Optimisation of straight plate upstream deflector for the performance enhancement of vertical axis wind turbine at low, medium and high regimes of tip speed ratios. Wind Engineering, 0309524X2210849. https://doi.org/10.1177/0309524x221084980

Location and geometry optimisations of Straight Plate Upstream Deflector (SPUD) for performance enhancement of a three-straightbladed Vertical Axis Wind Turbine (VAWT) are carried out at three regimes of tip speed ratios (TSRs). Results analysis reve... Read More about Optimisation of straight plate upstream deflector for the performance enhancement of vertical axis wind turbine at low, medium and high regimes of tip speed ratios.

Validation of the safety requirements of the landing gear using fault tree analysis (2022)
Journal Article
Iven, L., & Zaidi, Y. (2022). Validation of the safety requirements of the landing gear using fault tree analysis. CEAS Aeronautical Journal, 13, 503-520. https://doi.org/10.1007/s13272-022-00572-8

We analyze the functionality of the landing system of a regional aircraft in the extension and cruise flight modes and validate safety requirements through the fault tree analysis. The main landing gear system is captured in the electromechanical–flu... Read More about Validation of the safety requirements of the landing gear using fault tree analysis.

A review on the use of passive flow control devices as performance enhancement of lift-type vertical axis wind turbines (2022)
Journal Article
Syawitri, T. P., Yao, Y., Yao, J., & Chandra, B. (in press). A review on the use of passive flow control devices as performance enhancement of lift-type vertical axis wind turbines. Wiley Interdisciplinary Reviews: Energy and Environment, https://doi.org/10.1002/wene.435

This article provides a comprehensive review about passive flow control devices (PFCDs) implemented in lift-type vertical axis wind turbine (LVAWT), focusing on the underlying flow physics mechanisms and to what extents they can improve the LVAWT per... Read More about A review on the use of passive flow control devices as performance enhancement of lift-type vertical axis wind turbines.

The effect of transverse compressive stresses on tensile failure of carbon fibre/epoxy composites (2022)
Journal Article
Wisnom, M. R., Rev, T., Wisnom, M., Xu, X., & Czél, G. (2022). The effect of transverse compressive stresses on tensile failure of carbon fibre/epoxy composites. Composites Part A: Applied Science and Manufacturing, 156, https://doi.org/10.1016/j.compositesa.2022.106894

A novel test configuration has been developed to induce combined stress-states of in-plane longitudinal tension and transverse compression in thin-ply, unidirectional (UD) composite layers. Three different multi-directional laminates have been design... Read More about The effect of transverse compressive stresses on tensile failure of carbon fibre/epoxy composites.

Response of gyroid lattice structures to impact loads (2022)
Journal Article
Ramos, H., Santiago, R., Soe, S., Theobald, P., & Alves, M. (2022). Response of gyroid lattice structures to impact loads. International Journal of Impact Engineering, 164, https://doi.org/10.1016/j.ijimpeng.2022.104202

This paper reports on a comprehensive investigation of gyroid lattice structures subject to impact loading. AlSi10Mg samples were manufactured using selective laser melting (SLM) and mechanically characterized using Digital Image Correlation (DIC). U... Read More about Response of gyroid lattice structures to impact loads.

Energy harvesting from landing and taxiing of commercial aircraft (2022)
Journal Article
Brown, E. T. G., & Zaidi, Y. (2022). Energy harvesting from landing and taxiing of commercial aircraft. SAE International Journal of Aerospace, 15(1), https://doi.org/10.4271/01-15-01-0004

We demonstrate a virtual proof-of-concept design and experiment for energy harvesting enabling economic and environment-friendly aircraft by recycling forces for power conversion. The harvesting uses piezoelectric materials for extracting energy from... Read More about Energy harvesting from landing and taxiing of commercial aircraft.

Mechanical behaviour of additively manufactured elastomeric pre-buckled honeycombs under quasi-static and impact loading (2022)
Journal Article
Adams, R., Townsend, S., Soe, S., & Theobald, P. (2022). Mechanical behaviour of additively manufactured elastomeric pre-buckled honeycombs under quasi-static and impact loading. Materials and Design, 213, https://doi.org/10.1016/j.matdes.2021.110368

Selective laser sintering has been used to manufacture different structural variations of a pre-buckled circular honeycomb. The mechanical behaviour of these structures has been examined under both quasi-static and dynamic impact loading. Pre-buckled... Read More about Mechanical behaviour of additively manufactured elastomeric pre-buckled honeycombs under quasi-static and impact loading.

Deep learning based customer preferences analysis in industry 4.0 environment (2021)
Journal Article
Sun, Q., Feng, X., Zhao, S., Cao, H., Li, S., & Yao, Y. (2021). Deep learning based customer preferences analysis in industry 4.0 environment. Mobile Networks and Applications, 26, 2329–2340. https://doi.org/10.1007/s11036-021-01830-5

Customer preferences analysis and modelling using deep learning in edge computing environment are critical to enhance customer relationship management that focus on a dynamically changing market place. Existing forecasting methods work well with ofte... Read More about Deep learning based customer preferences analysis in industry 4.0 environment.

Geometry optimisation of vertical axis wind turbine with Gurney flap for performance enhancement at low, medium and high ranges of tip speed ratios (2021)
Journal Article
Syawitri, T. P., Yao, Y., Yao, J., & Chandra, B. (2022). Geometry optimisation of vertical axis wind turbine with Gurney flap for performance enhancement at low, medium and high ranges of tip speed ratios. Sustainable Energy Technologies and Assessments, 49, https://doi.org/10.1016/j.seta.2021.101779

Optimisation of Gurney flap (GF) geometries mounted on a three-straight-bladed vertical axis wind turbine (VAWT) is evaluated with computational fluid dynamics (CFD) solution and Taguchi method, considering the blade rotating effect at three tip spee... Read More about Geometry optimisation of vertical axis wind turbine with Gurney flap for performance enhancement at low, medium and high ranges of tip speed ratios.

Finite element-based optimisation of an elastomeric honeycomb for impact mitigation in helmet liners (2021)
Journal Article
Adams, R., Townsend, S., Soe, S., & Theobald, P. (2022). Finite element-based optimisation of an elastomeric honeycomb for impact mitigation in helmet liners. International Journal of Mechanical Sciences, 214, https://doi.org/10.1016/j.ijmecsci.2021.106920

Finite element simulation was used to analyse the response of an elastomeric pre-buckled honeycomb structure under impact loading, to establish its suitability for use in helmet liners. A finite element-based optimisation was performed using a search... Read More about Finite element-based optimisation of an elastomeric honeycomb for impact mitigation in helmet liners.

Environmental analysis and optimisation of an in-orbit shape memory alloy deployment mechanism (2021)
Conference Proceeding
Zaidi, Y., & Wright, C. (2021). Environmental analysis and optimisation of an in-orbit shape memory alloy deployment mechanism

This study presents the analysis and optimisation of a novel deployment mechanism that utilises the shape memory effect inherent in Nickel-Titanium alloys, namely Nitinol. The mechanism is currently designed to secure and deploy solar panels on board... Read More about Environmental analysis and optimisation of an in-orbit shape memory alloy deployment mechanism.

The Design of a 3U CubeSat to Monitor the Great Pacific Garbage Patch following a Systems Engineering Approach (2021)
Conference Proceeding
Zaidi, Y., Greenly, C., Passmore, J., Wong, H., Chinn, S., Gray, H., & Johnson, P. (2021). The Design of a 3U CubeSat to Monitor the Great Pacific Garbage Patch following a Systems Engineering Approach

This paper proposes a novel application of a CubeSat to help tackle one of the most alarming calamities in the present time, the Great Pacific Garbage Patch (GPGP). One of six similar accumulations of garbage across the world’s oceans, the GPGP is wi... Read More about The Design of a 3U CubeSat to Monitor the Great Pacific Garbage Patch following a Systems Engineering Approach.

Initial R-curves for translaminar fracture of quasi-isotropic carbon/epoxy laminates from specimens with increasing size (2021)
Journal Article
Xu, X., Sun, X., & Wisnom, M. (2021). Initial R-curves for translaminar fracture of quasi-isotropic carbon/epoxy laminates from specimens with increasing size. Composites Science and Technology, 216, https://doi.org/10.1016/j.compscitech.2021.109077

In this paper, a set of initial R-curves were measured for three different in-plane sizes using scaled Over-height Compact Tension (OCT) specimens and two different stacking sequences. The data reduction scheme was based on a Virtual Crack Closure Te... Read More about Initial R-curves for translaminar fracture of quasi-isotropic carbon/epoxy laminates from specimens with increasing size.

Delamination suppression in tapered unidirectional laminates with multiple ply drops using a tape scarfing technique (2021)
Journal Article
Gordon, T., Xu, X., Kawashita, L., Wisnom, M. R., Hallett, S. R., & Kim, B. C. (2021). Delamination suppression in tapered unidirectional laminates with multiple ply drops using a tape scarfing technique. Composites Part A: Applied Science and Manufacturing, 150, https://doi.org/10.1016/j.compositesa.2021.106627

Composite laminate thickness tapering is essential for weight efficient structures. This is achieved by terminating specific plies, but these can in turn act as sites for delamination initiation. One area of importance is the spacing between adjacent... Read More about Delamination suppression in tapered unidirectional laminates with multiple ply drops using a tape scarfing technique.

Targeting global environmental challenges by the means of novel multimodal transport: Concept of operations (2021)
Conference Proceeding
Portapas, V., Zaidi, Y., Bakunowicz, J., Paddeu, D., Valera-Medina, A., & Didey, A. (2021). Targeting global environmental challenges by the means of novel multimodal transport: Concept of operations. In 2021 Fifth World Conference on Smart Trends in Systems Security and Sustainability (WorldS4) (101-106). https://doi.org/10.1109/WorldS451998.2021.9514048

Novel modes of transport form the basis of environmentally friendly and economically efficient transport system of the future. This paper introduces the feasibility study of a Dock to Dock (D2D) use case, combining aspects of route development and in... Read More about Targeting global environmental challenges by the means of novel multimodal transport: Concept of operations.

Observing and tracking the Great Pacific Garbage Patch (2021)
Conference Proceeding
Greenly, C., Gray, H., Wong, H., Chinn, S., Passmore, J., Johnson, P., & Zaidi, Y. (2021). Observing and tracking the Great Pacific Garbage Patch

The subtropical waters between Hawaii and California are currently infested with an accumulation of plastic estimated to be twice the area of Texas, otherwise known as the Great Pacific Garbage Patch (GPGP). This paper presents a novel CubeSat missio... Read More about Observing and tracking the Great Pacific Garbage Patch.

The role of broken fibres on crack migration into 0° surface plies in adhesively bonded carbon fibre composite joints (2021)
Journal Article
Paul, A., Xu, X., Shimizu, T., & Wisnom, M. (2021). The role of broken fibres on crack migration into 0° surface plies in adhesively bonded carbon fibre composite joints. Composite Structures, 276, https://doi.org/10.1016/j.compstruct.2021.114530

Crack migration into the composite in adhesively bonded joints can cause a major degradation of strength. This usually occurs via cracks in the surface plies, but this paper demonstrates that crack migration can occur in joints even with 0° surface p... Read More about The role of broken fibres on crack migration into 0° surface plies in adhesively bonded carbon fibre composite joints.

Auxetic metamaterial optimisation for head impact mitigation in American football (2021)
Journal Article
Burek, R., Hanna, B., Adams, R., Townsend, S., Robinson, M., Soe, S., …Theobald, P. (2021). Auxetic metamaterial optimisation for head impact mitigation in American football. International Journal of Impact Engineering, 157, https://doi.org/10.1016/j.ijimpeng.2021.103991

American football has a comparatively high rate of sports-related concussions, despite mitigating strategies including the use of protective helmets. The traditional energy absorbing component, elastomeric foam pads, have limited scope for leveraging... Read More about Auxetic metamaterial optimisation for head impact mitigation in American football.

Optimal design of grid-connected rooftop PV systems: An overview and a new approach with application to educational buildings in arid climates (2021)
Journal Article
Mokhtara, C., Negrou, B., Settou, N., Bouferrouk, A., & Yao, Y. (2021). Optimal design of grid-connected rooftop PV systems: An overview and a new approach with application to educational buildings in arid climates. Sustainable Energy Technologies and Assessments, 47, https://doi.org/10.1016/j.seta.2021.101468

Recently, rooftop photovoltaic (PV) systems are widely deployed due to their technical, economic and socio-environmental benefits. This paper presents a new design approach, which combines spatial analysis with techno-economic optimization for a robu... Read More about Optimal design of grid-connected rooftop PV systems: An overview and a new approach with application to educational buildings in arid climates.