1. The University of Edinburgh EPSRC and NERC Industrial Centre for Doctoral Training in Offshore Renewable Energy (IDCORE), Graduate School of Engineering, , Edinburgh EH9 3FB , UK
2. University of Exeter Department of Engineering, Faculty of Environment, Science and Economy; Renewable Energy Group, , Penryn Campus, Treliever Road, Penryn TR10 9FE , UK
3. JBA Consulting , 1 Broughton Park, Skipton, North Yorkshire BD23 3FD , UK