Open Research Exeter (ORE)

• Duality between time and frequency domains for vibration serviceability analysis of floor structures 

  Al-Anbaki, A; Pavic, A (Elsevier, 2017-09-12)

  For vibration serviceability of floors, current design guidelines adopt different criteria to assess vibration levels due to human walking dynamic excitation. Whatever the adopted criterion is, it requires a quantified ...

• Effect of Walking people on Dynamic Properties of Floors 

  Mohammed, A; Pavic, A (Elsevier, 2017-09-12)

  Despite the intensive research that has focused on the dynamic interaction between walking people and slender footbridges, this phenomenon has never been investigated for floor structures. For lightweight floors having ...

• Modal testing of offshore rock lighthouses around the British Isles 

  Brownjohn, JMW; Raby, A; Bassitt, J; Hudson, E; Antonini, A (Elsevier, 2017-09-10)

  Given that 95 per cent of the UK’s international trade is transported by sea, and as a vital complement to fallible virtual navigational aids such as GPS, rock-mounted lighthouses constructed in the 19th century have a ...

• Forced vibration testing of footbridges using calibrated human shaker and wireless sensors 

  Brownjohn, JMW; Bocian, M; Hester, D (Elsevier, 2017-09-10)

  Wireless inertial measurement units (IMUs) designed for biomechanical applications have been evaluated for modal testing of civil structures, in particular footbridges, where the small size and high response levels match ...

• Optimised ambient vibration testing of long span bridges 

  Brownjohn, JMW; Au, SK; Li, B; Bassitt, J (Elsevier, 2017-09-10)

  Vibration testing of long span bridges is becoming a commissioning requirement. Long span bridges represent the extreme end of experimental capability, with challenges for logistics and access (due to length and location), ...

• Vision-Based Bridge Deformation Monitoring 

  Brownjohn, JMW; Xu, Y; Hester, D (Frontiers Media, 2017-04-19)

  Optics-based tracking of civil structures is not new, due to historical application in surveying, but automated applications capable of tracking at rates that capture dynamic effects are now a hot research topic in structural ...

• Wave resource variability: Impacts on wave power supply over regional to international scales 

  Smith, HCM; Fairley, I; Robertson, B; Abusara, M; Masters, I (Elsevier, 2017-09-14)

  The intermittent, irregular and variable nature of the wave energy resource has implications for the supply of wave-generated electricity into the grid; intermittency of renewable power may lead to frequency and voltage ...

• Prototype fabrication and experimental investigation of a conjugate refractive reflective homogeniser in a cassegrain concentrator 

  Shanks, K; Baig, H; Singh, NP; Senthilarasu, S; Reddy, KS; Mallick, TK (Elsevier for International Solar Energy Society, 2016-12-22)

  The conjugate refractive reflective homogeniser (CRRH) is experimentally tested within a cassegrain concentrator of geometrical concentration ratio 500× and its power output compared to the theoretical predictions of a ...

• Phase-change devices for simultaneous optical-electrical applications 

  Au, Y-Y; Bhaskaran, H; Wright, CD (Nature Publishing Group:, 2017-08-29)

  We present a viable pathway to the design and characterization of phase-change devices operating in a mixed-mode optical-electrical, or optoelectronic, manner. Such devices have potential applications ranging from novel ...

• Data-driven approaches for measurement interpretation: analysing integrated thermal and vehicular response in bridge structural health monitoring 

  Kromanis, R; Kripakaran, P (Elsevier, 2017)

  A comprehensive evaluation of a structure’s performance based on quasi-static measurements requires consideration of the response due to all applied loads. For the majority of short- and medium-span bridges, temperature ...

• Development and Evaluation of an Integral Sliding Mode Fault Tolerant Control Scheme on the RECONFIGURE Benchmark 

  Chen, L; Alwi, H; Edwards, C (Wiley / International Federation of Automatic Control (IFAC), 2017)

  This paper describes the development, application and evaluation of a linear parameter-varying integral sliding mode control allocation scheme to the RECONFIGURE benchmark model to deal with an actuator failure/fault ...

• Analytical and experimental study on tandem WEC-type floating breakwaters 

  Ning, D; Zhao, X; Zang, J; Johanning, L (EWTEC, 2017-08-27)

  Tandem wave energy converter (WEC)-type floating breakwaters, which is expected to overcome the shortcomings of the single-pontoon system (i.e., the narrow effective frequency bandwidth for the effective transmission ...

• CFD Modelling coupled with Floating Structures and Mooring Dynamics for Offshore Renewable Energy Devices using the Proteus Simulation Toolkit 

  de Lataillade, T; Dimakopoulos, A; Kees, C; Johanning, L; Ingram, D; Tezdogan, T (EWTEC, 2017-08-27)

  In this work, the coupling of novel opensource tools for simulating two-phase incompressible flow problems with fluid-structure interaction and mooring dynamics is presented. The open-source Computational Fluid Dynamics ...

• First Steps toward a Multi-Parameter Optimisation Tool for Floating Tidal Platforms – Assessment of an LCoE-Based Site Selection Methodology 

  McDowell, J; Jeffcoate, P; Khorasanchi, M; Johanning, L; Bruce, T (EWTEC, 2017-08-27)

  The aim of this paper is assess and alter the method of tidal stream site selection, so as to ensure deployments are commercially viable. This paper has demonstrated the inter-site variability of LCoE, and that deploying ...

• Exploring Wave Energy Potential in the UK Using a Whole Systems Modelling Approach 

  Stegman, A; de Andres, A; Jeffrey, H; Johanning, L; Bradley, S (EWTEC, 2017-08-27)

  The key market drivers for marine energy are to reduce carbon emissions, and improve security and sustainability of supply. There are other technologies that also meet these requirements, and therefore the marine energy ...

• PLAT-O#2 at FloWave: A tank-scale validation of ProteusDS dynamic response software 

  Bivol, I; Jeffcoate, P; Johanning, L; Nicoll, R (EWTEC, 2017-08-27)

  The motion and mooring tensions of a scaled-down PLAT-O#2 physical model were measured in axial currents at FloWave, Edinburgh. At high flows, the platform ‘squats’ – moves in an arc motion along the upstream lines and ...

• A generic method to synthesise graphitic carbon coated nanoparticles in large scale and their derivative polymer nanocomposites 

  Wang, N; Yang, Z; Xu, F; Thummavichai, P; Chen, H; Xia, Y; Zhu, Y (Springer Nature, 2017)

  A versatile Rotary Chemical Vapour Deposition (RCVD) technique for the in-situ synthesis of large scale carbon-coated non-magnetic metal oxide nanoparticles (NPs) is presented, and a controllable coating thickness varying ...

• Low temperature annealing improves the electrochromic and degradation behavior of tungsten oxide (WOx) thin tilms 

  Thummavichai, P; Trimby, L; Wang, N; Wright, C; Xia, Y; Zhu, Y (American Chemical Society, 2017-09-01)

  This research aims to understand the fundamental aspects of annealing on the electrochromic performance of tungsten oxides, using as-synthesized W18O49 substoichiometric bundled nanowires benchmarked against commercial ...

• Fused Deposition Modelling of high temperature polymers: Exploring CNT PEEK composites 

  Berretta, S; Davies, R; Wang, Y; Ghita, OR (Elsevier, 2017-08-19)

  The Fused Deposition Modelling (FDM™) process owes its popularity to its hardware versatility, low cost and wide range of materials (and colours) available. In this study, PEEK was produced with 1% and 5% carbon nanotubes ...

• Developing constitutive models from EPR-based self-learning finite element analysis 

  Nassr, A; Javadi, AA; Faramarzi, A (Wiley, 2017)

  A constitutive model that captures the material behaviour under a wide range of loading conditions is essential for simulating complex boundary value problems. In recent years, some attempts have been made to develop ...

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