Dr Ed Mackay

Research Fellow

E.Mackay@exeter.ac.uk

Overview

My research focuses on the design and modelling of offshore renewable energy structures and resources. Prior to joining the University of Exeter, I worked in the offshore renewables industry for 12 years, for both technology developers and consultancies. During this time I worked on the design, numerical modelling and physical testing of a wide range of concepts. My current research is focussed on statistical modelling of extreme environmental conditions and extreme structural responses.

Publications

_{Copyright Notice: Any articles made available for download are for personal use only. Any other use requires prior permission of the author and the copyright holder.}

| 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 |

2024

Murphy-Barltrop CJR, Mackay E, Jonathan P. (2024) Inference for multivariate extremes via a semi-parametric angular-radial model. [PDF]

2023

Mullings H, Draycott S, Thiébot J, Guillou S, Mercier P, Hardwick J, Mackay E, Thies P, Stallard T. (2023) Evaluation of Model Predictions of the Unsteady Tidal Stream Resource and Turbine Fatigue Loads Relative to Multi-Point Flow Measurements at Raz Blanchard, Energies, volume 16, no. 20, pages 7057-7057, DOI:10.3390/en16207057. [PDF]
Mackay E, Jonathan P. (2023) Modelling multivariate extremes through angular-radial decomposition of the density function. [PDF]
Mackay E, Hardwick J, Thies P, Thiébot J, Mercier P, Grondeau M, Guillou S, Coles D, Miles J, Pinon G. (2023) Overview of resource and turbine modelling in the Tidal Stream Industry Energiser Project: TIGER, European Wave and Tidal Energy Conference 2023, Bilbao, 3rd - 7th Sep 2023, DOI:10.36688/ewtec-2023-577.
Mackay E, de Hauteclocque G. (2023) Model-free environmental contours in higher dimensions, Ocean Engineering, volume 273, pages 113959-113959, DOI:10.1016/j.oceaneng.2023.113959. [PDF]
Barlow AM, Mackay E, Eastoe E, Jonathan P. (2023) A penalised piecewise-linear model for non-stationary extreme value analysis of peaks over threshold, Ocean Engineering, volume 267, pages 113265-113265, article no. 113265, DOI:10.1016/j.oceaneng.2022.113265. [PDF]

2022

Li Y, Zhao X, Geng J, Mackay E, Johanning L. (2022) Wave scattering by a vertical cylinder with a submerged porous plate: Further analysis, Ocean Engineering, volume 259, pages 111711-111711, article no. 111711, DOI:10.1016/j.oceaneng.2022.111711. [PDF]
Mackay E, Hardwick J. (2022) Joint extremes of waves and currents at tidal energy sites in the English Channel, ASME 2022 41st International Conference on Ocean, Offshore & Arctic Engineering OMAE2022, Hamburg, Germany, 6th - 9th Jun 2022.
Barlow AM, Mackay E, Eastoe E, Jonathan P. (2022) A penalised piecewise-linear model for non-stationary extreme value analysis of peaks over threshold. [PDF]
Hauteclocque GD, Mackay E, Vanem E. (2022) Quantitative comparison of environmental contour approaches, Ocean Engineering, volume 245, pages 110374-110374, article no. 110374, DOI:10.1016/j.oceaneng.2021.110374.

2021

Haselsteiner AF, Mackay E, Thoben K-D. (2021) Reducing conservatism in highest density environmental contours, Applied Ocean Research, volume 117, pages 102936-102936, article no. 102936, DOI:10.1016/j.apor.2021.102936.
Mackay E, Shi W, Qiao D, Gabl R, Davey T, Ning D, Johanning L. (2021) Numerical and experimental modelling of wave interaction with fixed and floating porous cylinders, Ocean Engineering, volume 242, pages 110118-110118, article no. 110118, DOI:10.1016/j.oceaneng.2021.110118.
Mackay E, de Hauteclocque G, Vanem E, Jonathan P. (2021) The effect of serial correlation in environmental conditions on estimates of extreme events, Ocean Engineering, volume 242, pages 110092-110092, article no. 110092, DOI:10.1016/j.oceaneng.2021.110092.
Mackay E, Haselsteiner AF, Coe RG, Manuel L. (2021) A second benchmarking exercise on estimating extreme environmental conditions: Methodology & baseline results, Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE, volume 2, DOI:10.1115/OMAE2021-64874.
Haselsteiner AF, Frieling M, Mackay E, Sander A, Thoben K-D. (2021) Long-term extreme response of an offshore turbine: How accurate are contour-based estimates?, Renewable Energy, volume 181, pages 945-965, DOI:10.1016/j.renene.2021.09.077.
Mackay E, Haselsteiner A, Coe R, Manuel L. (2021) A second benchmarking exercise on estimating extreme environmental conditions, 40th International Conference on Ocean, Offshore & Arctic Engineering OMAE2020, 21st - 30th Jun 2021.
Qiao D, Mackay E, Yan J, Feng C, Li B, Feichtner A, Ning D, Johanning L. (2021) Numerical simulation with a macroscopic CFD method and experimental analysis of wave interaction with fixed porous cylinder structures, Marine Structures, volume 80, pages 103096-103096, article no. 103096, DOI:10.1016/j.marstruc.2021.103096.
Mackay E, Jonathan P. (2021) Sampling properties and empirical estimates of extreme events, Ocean Engineering, volume 239, pages 109791-109791, article no. 109791, DOI:10.1016/j.oceaneng.2021.109791.
Haselsteiner AF, Coe RG, Manuel L, Chai W, Leira B, Clarindo G, Guedes Soares C, Hannesdóttir Á, Dimitrov N, Sander A. (2021) A benchmarking exercise for environmental contours, Ocean Engineering, volume 236, DOI:10.1016/j.oceaneng.2021.109504.
Hardwick J, Mackay E, Ashton I, Smith H, Thies PR. (2021) Quantifying the effects of wave-current interactions on tidal energy resource at sites in the English Channel using coupled numerical simulations, Energies, volume Special Issue Tidal Turbines, DOI:10.3390/en14123625. [PDF]
Mackay E, Johanning L, Liang H. (2021) A BEM model for wave forces on structures with thin porous elements, Journal of Fluids and Structures, volume 102, pages 103246-103246, DOI:10.1016/j.jfluidstructs.2021.103246. [PDF]
Mackay E. (2021) The Green function for diffraction and radiation of regular waves by two-dimensional structures, European Journal of Mechanics - B/Fluids, volume 87, pages 151-160, DOI:10.1016/j.euromechflu.2021.01.012.
Feichtner A, Mackay E, Tabor G, Thies PR, Johanning L. (2021) Comparison of Macro-Scale Porosity Implementations for CFD Modelling of Wave Interaction with Thin Porous Structures, Journal of Marine Science and Engineering, volume 9, no. 2, pages 150-150, DOI:10.3390/jmse9020150. [PDF]

2020

Mackay E, Haselsteiner AF. (2020) Marginal and total exceedance probabilities of environmental contours, DOI:10.48550/arxiv.2003.05463.
Hardwick J, Ashton IGC, Mackay E, Smith HCM, Thies PR. (2020) Coupled flow-wave modelling for regional tidal site characterisation in the English Channel, Developments in Renewable Energies Offshore, Taylor & Francis, 601-606, DOI:10.1201/9781003134572-68.
Hardwick J, Ashton I, Mackay E, Smith H, Thies P. (2020) Coupled flow-wave modelling for regional tidal site characterisation in the English Channel, 4th International Conference on Renewable Energies Offshore, RENEW 2020, Lisbon, 12th - 15th Oct 2020, Developments in Renewable Energies Offshore, DOI:10.1201/9781003134572.
Feichtner A, Mackay E, Tabor G, Thies PR, Johanning L, Ning D. (2020) Using a porous-media approach for CFD modelling of wave interaction with thin perforated structures, Journal of Ocean Engineering and Marine Energy, volume 7, no. 1, pages 1-23, DOI:10.1007/s40722-020-00183-7. [PDF]
Mackay E, Haselsteiner A. (2020) Marginal and Total Exceedance Probabilities of Environmental Contours, Marine Structures, volume 75, pages 102863-102863, DOI:10.1016/j.marstruc.2020.102863.
Mackay E, Jonathan P. (2020) Assessment of Return Value Estimates from Stationary and Non-Stationary Extreme Value Models, Ocean Engineering, volume 207, DOI:10.1016/j.oceaneng.2020.107406. [PDF]
Mackay E, Jonathan P. (2020) Estimation of Environmental Contours using a Block Resampling Method, 39th International Conference on Ocean, Offshore & Arctic Engineering (OMAE2020), Fort Lauderdale, Fl, Usa, 29th Jun - 3rd Jul 2020.
Mackay E, Johanning L, Shi W, Ning D. (2020) Model Tests of a TLP Floating Offshore Wind Turbine with a Porous Outer Column, 30th International Ocean and Polar Engineering Conference (ISOPE 2020), Shanghai, 12th - 16th Oct 2020.
Mackay E, Johanning L. (2020) Comparison of Analytical and Numerical Solutions for Wave Interaction with a Vertical Porous Barrier, Ocean Engineering, volume 199, DOI:10.1016/j.oceaneng.2020.107032.

2019

Mackay E. (2019) Consistent expressions for the free-surface Green function in finite water depth, Applied Ocean Research, volume 93, DOI:10.1016/j.apor.2019.101965.
Rinaldi G, Mackay EBL, Crossley GRN, Ashton I, Johanning L, Campbell M, Wood T. (2019) Assessment of extreme and metocean conditions in the Maldives for OTEC applications, International Journal of Energy Research, DOI:10.1002/er.4762.
Feichtner A, Mackay EBL, Tabor G, Thies P, Johanning L. (2019) Modelling Wave Interaction with Thin Porous Structures using OpenFOAM, 13th European Wave and Tidal Energy Conference, Napoli, Italy, 1st - 6th Sep 2019.
Mackay EBL, Johanning L, Ning D, Qiao D. (2019) Numerical and Experimental Modelling of Wave Loads on Thin Porous Sheets, ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering OMAE2019, Glasgow, 9th - 14th Jun 2019.

2018

Mackay EBL, Johanning L. (2018) Long-term distributions of individual wave and crest heights, Ocean Engineering, volume 165, pages 164-183, DOI:10.1016/j.oceaneng.2018.07.047.
Mackay E, Johanning L. (2018) A generalised equivalent storm model for long-term statistics of ocean waves, Coastal Engineering, volume 140, pages 411-428, DOI:10.1016/j.coastaleng.2018.06.001.
Mackay EBL, Feichtner A, Smith R, Thies P, Johanning L. (2018) Verification of a Boundary Element Model for Wave Forces on Structures with Porous Elements, RENEW 2018, 3rd International Conference on Renewable Energies Offshore, Lisbon, Portugal, 8th - 10th Oct 2018.
Mackay EBL, Johanning L. (2018) A simple and robust method for calculating return periods of ocean waves, ASME 37th International Conference on Ocean, Offshore and Arctic Engineering OMAE2018, Madrid, Spain, 17th - 22nd Jun 2018.

2017

Mackay EBL. (2017) Return Periods of Extreme Loads on Wave Energy Converters, 12th European Wave and Tidal Energy Conference EWTEC 2017, Cork, Ireland, 27th Aug - 1st Sep 2017.

2016

Mackay E. (2016) A unified model for unimodal and bimodal ocean wave spectra, International Journal of Marine Energy, volume 15, pages 17-40, DOI:10.1016/j.ijome.2016.04.015. [PDF]

2015

Mackay EBL. (2015) A Unified Model for Unimodal and Bimodal Wave Spectra, 11th European Wave and Tidal Energy Conference EWTEC 2015, Nantes, France, 6th - 11th Sep 2015.

2013

Mackay EBL, Ashton I. (2013) Sampling Variability and Performance Assessment of WECs, 10th European Wave & Tidal Energy Conference EWTEC 2013, Aalborg, Denmark.
Mackay EBL, Cruz J, Livingstone M, Arnold P. (2013) Validation of a Time-Domain Modelling Tool for Wave Energy Converter Arrays, 10th European Wave and Tidal Energy Conference EWTEC 2013, Aalborg, Sweden.

2012

Mackay EBL, Cruz J, Retzler C, Arnold P, Bannon E, Pascal R. (2012) Validation of a new wave energy converter design tool with large scale single machine machine experiments, 1st Asian Wave and Tidal Conference AWTEC 2012, Jeju Island, South Korea, 27th - 30th Nov 2012.
Mackay EBL. (2012) Resource Assessment for Wave Energy, Comprehensive Renewable Energy, Elsevier, 11-77, DOI:10.1016/B978-0-08-087872-0.00803-9. [PDF]

2011

Mackay EBL. (2011) CORRECTION FOR BIAS IN RETURN VALUES OF WAVE HEIGHTS CAUSED BY HINDCAST UNCERTAINTY, ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering OMAE2011, Rotterdam, The Netherlands, 19th - 24th Jun 2011, DOI:10.1115/OMAE2011-49409.
Mackay EBL. (2011) Modelling and Description of Omnidirectional Wave Spectra, 9th European Wave and Tidal Energy Conference EWTEC 2011, Southampton, Uk, 1st - 1st Sep 2011.
MacKay EBL, Challenor PG, Bahaj AS. (2011) A comparison of estimators for the generalised Pareto distribution, Ocean Engineering, volume 38, no. 11-12, pages 1338-1346, DOI:10.1016/j.oceaneng.2011.06.005.

2010

Edward EB, Challenor PG, Bahaj ABS. (2010) On the use of discrete seasonal and directional models for the estimation of extreme wave conditions, Ocean Engineering, volume 37, no. 5-6, pages 425-442, DOI:10.1016/j.oceaneng.2010.01.017.
Mackay EBL, Bahaj ABS, Challenor PG. (2010) Uncertainty in wave energy resource assessment. Part 1: Historic data, Renewable Energy, volume 35, no. 8, pages 1792-1808, DOI:10.1016/j.renene.2009.10.026.
Mackay EBL, Bahaj ABS, Challenor PG. (2010) Uncertainty in wave energy resource assessment. Part 2: Variability and predictability, Renewable Energy, volume 35, no. 8, pages 1809-1819, DOI:10.1016/j.renene.2009.10.027.

2009

Mackay EBL. (2009) Wave Energy Resource Assessment.

2008

Mackay EBL, Retzler C, Challenor P. (2008) WAVE ENERGY RESOURCE ASSESSMENT USING SATELLITE ALTIMETER DATA, ASME 27th International Conference on Offshore Mechanics and Arctic Engineering OMAE2008, Estoril, Portugal, 15th - 20th Jun 2008, DOI:10.1115/OMAE2008-57976.
Mackay E, Bahaj AB, Retzler C, Challenor P. (2008) Wave energy resource assessment using satellite altimeter data, Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE, volume 6, pages 861-870, DOI:10.1115/OMAE2008-57976.
Mackay EBL, Retzler CH, Challenor PG, Gommenginger CP. (2008) A parametric model for ocean wave period from Ku band altimeter data, Journal of Geophysical Research: Oceans, volume 113, no. 3, DOI:10.1029/2007JC004438.