Sangam: A Confluence of Knowledge Streams

Dynamic mooring simulation with Code_Aster with application to a floating wind turbine

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dc.creator Antonutti, R
dc.creator Peyrard, C
dc.creator Incecik, A
dc.creator Ingram, D
dc.creator Johanning, L
dc.date 2017-12-14T11:58:18Z
dc.date 2018-11-23
dc.date 2017-12-14T11:58:18Z
dc.date.accessioned 2022-05-26T23:57:58Z
dc.date.available 2022-05-26T23:57:58Z
dc.identifier Published online 23 November 2017
dc.identifier 10.1016/j.oceaneng.2017.11.018
dc.identifier http://hdl.handle.net/10871/30673
dc.identifier 0029-8018
dc.identifier Ocean Engineering
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/238327
dc.description This is the final version of the article. Available from Elsevier via the DOI in this record.
dc.description The design of reliable station-keeping systems for permanent floating structures such as offshore renewable energy devices is vital to their lifelong integrity. In highly dynamic and/or deep-water applications, including hydrodynamics and structural dynamics in the mooring analysis is paramount for the accurate prediction of the loading on the lines and hence their dimensioning. This article presents a new workflow based on EDF R&D's open-source, finite-element analysis tool Code_Aster, enabling the dynamic analysis of catenary mooring systems, with application to a floating wind turbine concept. The University of Maine DeepCwind-OC4 basin test campaign is used for validation, showing that Code_Aster can satisfactorily predict the fairlead tensions in both regular and irregular waves. In the latter case, all of the three main spectral components of tension observed in the experiments are found numerically. Also, the dynamic line tension is systematically compared with that provided by the classic quasi-static approach, thereby confirming its limitations. Robust dynamic simulation of catenary moorings is shown to be possible using this generalist finite-element software, provided that the inputs be organised consistently with the physics of offshore hydromechanics.
dc.description IDCORE is funded by the ETI and the RCUK Energy programme, grant number EP/J500847/1. The authors are grateful for the funding provided by these institutions, and to EDF R&D for hosting and supervising the industrial doctorate which expressed the present work.
dc.language en
dc.publisher Elsevier
dc.rights © 2017 The Authors. Published by Elsevier Ltd. Open Access funded by Engineering and Physical Sciences Research Council. Under a Creative Commons license: https://creativecommons.org/licenses/by/4.0/
dc.subject Moorings
dc.subject Dynamics
dc.subject Finite-element
dc.subject Code_Aster
dc.subject Floating wind
dc.subject OC4
dc.title Dynamic mooring simulation with Code_Aster with application to a floating wind turbine
dc.type Article


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