Projekt

Assessment of damping estimation methods for offshore wind turbines on monopile

Udbyder

Virksomhed / Organisation

Sted

København og omegn

Overall project description

The project will primarily be focused on evaluation of the damping estimation methods available in our LAC department. An extension of the methods may be considered upon successful completion of the primary goals of the project.

 

Detailed project description

The damping level of monopiles has an important impact on the structural design of turbine foundations. Therefore, accurate estimation of this parameter is of high importance to the designers to ensure safety without overdesigning the foundations. A damping estimation methodology is developed by the LAC department. Validation of the method and identification of potentials for improvement are to be done within this cooperation.

 

Project overview

The scope of the project is to validate and improve damping estimation methods. The project progress will be assessed on the basis of the documentation made at different stages of the project.

 

Technical content

  • The project may include analysis of the following:
  • literature review of methods for output-only system identification such as OMA methods
  • development of a numerical model for investigation/verification of methods
  • numerical investigation of one or more of the methods including statistical data analysis of the estimators
  • application of one or more of the methods for aeroelastic simulations
  • documentation of the investigations
  • application of methods for field measurements of mechanical vibrations of offshore WTGs
  • development of quality check procedure
  • implementation of tools for automated data analysis
  • comparison of damping levels across wind farms.

Forudsætninger

Finite Element Analysis; Structural Dynamics; Signal Processing; Experience in numerical modelling

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Anker Engelunds Vej 1
Bygning 101A
2800 Kgs. Lyngby


45 25 25 25

dtu@dtu.dk

CVR-nr. 30 06 09 46

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