go to top scroll for more

Dynamic mooring simulation with Code(-)Aster with application to a floating wind turbine


Citation Antonutti, R., Peyrard, C., Incecik, A., Ingram, D.M., Johanning. L. Dynamic mooring simulation with Code(-)Aster with application to a floating wind turbine, Ocean Engineering, 151: 366-377, 2017. https://doi.org/10.1016/j.oceaneng.2017.11.018.
Cite this using DataCite
Author(s) Antonutti, R., Peyrard, C., Incecik, A., Ingram, D.M., Johanning. L.
Project partner(s) Electricité de France, The University ofStrathclyde, University of Edinburgh, University of Exeter
Publisher Ocean Engineering, 151: 366-377
DOI https://doi.org/10.1016/j.oceaneng.2017.11.018
Abstract 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

Highlights
  • Inclusion of dynamic effects is essential for reliable mooring system design for highly dynamic offshore structures.
  • Open-source finite-element software Code_Aster from EDF R&D is shown to handle mooring dynamics upon correct set-up.
  • Motions and fairlead tensions are validated using existing basin test data from the DeepCwind-OC4 floating wind campaign.
  • Regular and irregular wave cases are compared, showing good agreement between the dynamic numerical and physical model.
  • Mid-high frequency tension components from quasi-static approach are severely underestimated for the considered load cases.
>This work was partly funded via IDCORE, the Industrial Doctorate Centre for Offshore Renewable Energy, which trains research engineers whose work in conjunction with sponsoring companies aims to accelerate the deployment of offshore wind, wave and tidal-current technologies
Associated Project(s) ETI-MA2003: Industrial Doctorate Centre for Offshore Renewable Energy (IDCORE)
Associated Dataset(s) No associated datasets
Associated Publication(s)

A model to map levelised cost of energy for wave energy projects

An Integrated Data Management Approach for Offshore Wind Turbine Failure Root Cause Analysis

An investigation of the effects of wind-induced inclination on floating wind turbine dynamics: heave plate excursion

Application of an offshore wind farm layout optimization methodology at Middelgrunden wind farm

Characterisation of current and turbulence in the FloWave Ocean Energy Research Facility

Characterization of the tidal resource in Rathlin Sound

Comparison of Offshore Wind Farm Layout Optimization Using a Genetic Algorithm and a Particle Swarm Optimizer

Component reliability test approaches for marine renewable energy

Constraints Implementation in the Application of Reinforcement Learning to the Reactive Control of a Point Absorber

Control of a Realistic Wave Energy Converter Model Using Least-Squares Policy Iteration

Cost Reduction to Encourage Commercialisation of Marine in the UK

Cumulative impact assessment of tidal stream energy extraction in the Irish Sea

Design diagrams for wavelength discrepancy in tank testing with inconsistently scaled intermediate water depth

Development of a Condition Monitoring System for an Articulated Wave Energy Converter

ETI Insights Report - Wave Energy

Environmental interactions of tidal lagoons: A comparison of industry perspectives

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

Hybrid, Multi-Megawatt HVDC Transformer Topology Comparison for Future Offshore Wind Farms

Hydrodynamic analysis of a ducted, open centre tidal stream turbine using blade element momentum theory

Offshore wind farm electrical cable layout optimization

Offshore wind installation vessels - A comparative assessment for UK offshore rounds 1 and 2

Optimisation of Offshore Wind Farms Using a Genetic Algorithm

Quantifying uncertainty in acoustic measurements of tidal flows using a “Virtual” Doppler Current Profiler

Re-creation of site-specific multi-directional waves with non-collinear current

Reactive control of a two-body point absorber using reinforcement learning

Reactive control of a wave energy converter using artificial neural networks

Reliability and O & M sensitivity analysis as a consequence of site specific characteristics for wave energy converters

Reliability prediction for offshore renewable energy: Data driven insights

Resource characterization of sites in the vicinity of an island near a landmass

Review and application of Rainflow residue processing techniques for accurate fatigue damage estimation

Sensitivity analysis of offshore wind farm operation and maintenance cost and availability

Simulating Extreme Directional Wave Conditions

Testing Marine Renewable Energy Devices in an Advanced Multi-Directional Combined Wave-Current Environment

Testing the robustness of optimal access vessel fleet selection for operation and maintenance of offshore wind farms

The Industrial Doctorate Centre for Offshore Renewable Energy(IDCORE) - Case Studies

The SPAIR method: Isolating incident and reflected directional wave spectra in multidirectional wave basins

The effects of wind-induced inclination on the dynamics ofsemi-submersible floating wind turbines in the time domain

The power-capture of a nearshore, modular, flap-type wave energy converter in regular waves

UK offshore wind cost optimisation: top head mass (Presentation to All Energy, 10th May 2017)