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Durham Research Online
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Improving seabed cable plough performance for offshore renewable energy.

Robinson, S and Brown, M.J. and Brennan, A.J. and Cortis, M. and Augarde, C.E. and Coombs, W.M. (2016) 'Improving seabed cable plough performance for offshore renewable energy.', in Progress in renewable energies offshore : proceedings of the 2nd International Conference on Renewable Energies Offshore (RENEW2016), Lisbon, Portugal, 24-26 October 2016. .

Abstract

Seabed ploughing plays an important part in providing protection to subsea cables that connect offshore renewables, and the process represents a significant portion of the overall installation cost. Current models for predicting the required tow forces for seabed ploughs are based on semi-empirical methods as conventional geotechnical finite element analysis is not suited to modelling this process due to the large de-formations involved. The project described in this paper aims to develop a new material point method numerical modelling software to predict seabed plough response, which will enable new designs to be optimised. This will be validated against physical modelling, a part of which is the focus of this paper. This includes both 1g and centrifuge testing as well as new techniques such as 3D soil surface scanning. The testing also provides insights into share geometry influences on plough behaviour, and will allow improvements to existing empirical models.

Item Type:Book chapter
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:http://www.routledge.com/9781138626270
Publisher statement:This is an Accepted Manuscript of a book chapter published by Routledge in Progress in Renewable Energies Offshore: Proceedings of the 2nd International Conference on Renewable Energies Offshore (RENEW2016), Lisbon, Portugal, 24-26 October 2016 on 13/10/2016, available online: http://www.routledge.com/9781138626270
Date accepted:21 August 2016
Date deposited:30 August 2016
Date of first online publication:13 October 2016
Date first made open access:13 April 2018

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