Method to Predict Long Time Span of Scour Around Offshore Wind Turbine Foundations

Martin Dixen, Iris P. Lohmann, Erik Damgaard Christensen

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

A new method to predict scour development around offshore structures has been developed. The method has been tested on a monopile. The method consists of table of scour rates, which is used to predict the scour development around the structure at diffirent stages of the scour hole. The scour rate tables have been made based on full 3D numerical simulations of the flow and sediment transport for fixed configurations of the scour hole. When changing the governing parameters which are causing the scour development around the structure, the erosion rate or backfilling rate can be calculated from the mass balance of the sediment. This leads to the scour rates tables that are used to analyse the development of the scour hole under different wave and current conditions. The method has been tested against experimental scour data and showed very promising results.
Original languageEnglish
Title of host publicationProceedings of the International Conference on Coastal Engineering 2012
Number of pages11
PublisherAmerican Society of Civil Engineers
Publication date2012
Publication statusPublished - 2012
EventICCE 2012: 33rd International Conference on Coastal Engineering - Santander, Spain
Duration: 1 Jul 20126 Jul 2012
http://www.icce2012.com/

Conference

ConferenceICCE 2012
CountrySpain
CitySantander
Period01/07/201206/07/2012
Internet address

Keywords

  • Scour
  • Monopile
  • CFD
  • Current
  • Sediment transport

Cite this

Dixen, M., Lohmann, I. P., & Christensen, E. D. (2012). Method to Predict Long Time Span of Scour Around Offshore Wind Turbine Foundations. In Proceedings of the International Conference on Coastal Engineering 2012 American Society of Civil Engineers.
Dixen, Martin ; Lohmann, Iris P. ; Christensen, Erik Damgaard. / Method to Predict Long Time Span of Scour Around Offshore Wind Turbine Foundations. Proceedings of the International Conference on Coastal Engineering 2012. American Society of Civil Engineers, 2012.
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abstract = "A new method to predict scour development around offshore structures has been developed. The method has been tested on a monopile. The method consists of table of scour rates, which is used to predict the scour development around the structure at diffirent stages of the scour hole. The scour rate tables have been made based on full 3D numerical simulations of the flow and sediment transport for fixed configurations of the scour hole. When changing the governing parameters which are causing the scour development around the structure, the erosion rate or backfilling rate can be calculated from the mass balance of the sediment. This leads to the scour rates tables that are used to analyse the development of the scour hole under different wave and current conditions. The method has been tested against experimental scour data and showed very promising results.",
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Dixen, M, Lohmann, IP & Christensen, ED 2012, Method to Predict Long Time Span of Scour Around Offshore Wind Turbine Foundations. in Proceedings of the International Conference on Coastal Engineering 2012. American Society of Civil Engineers, ICCE 2012, Santander, Spain, 01/07/2012.

Method to Predict Long Time Span of Scour Around Offshore Wind Turbine Foundations. / Dixen, Martin; Lohmann, Iris P.; Christensen, Erik Damgaard.

Proceedings of the International Conference on Coastal Engineering 2012. American Society of Civil Engineers, 2012.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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AU - Lohmann, Iris P.

AU - Christensen, Erik Damgaard

PY - 2012

Y1 - 2012

N2 - A new method to predict scour development around offshore structures has been developed. The method has been tested on a monopile. The method consists of table of scour rates, which is used to predict the scour development around the structure at diffirent stages of the scour hole. The scour rate tables have been made based on full 3D numerical simulations of the flow and sediment transport for fixed configurations of the scour hole. When changing the governing parameters which are causing the scour development around the structure, the erosion rate or backfilling rate can be calculated from the mass balance of the sediment. This leads to the scour rates tables that are used to analyse the development of the scour hole under different wave and current conditions. The method has been tested against experimental scour data and showed very promising results.

AB - A new method to predict scour development around offshore structures has been developed. The method has been tested on a monopile. The method consists of table of scour rates, which is used to predict the scour development around the structure at diffirent stages of the scour hole. The scour rate tables have been made based on full 3D numerical simulations of the flow and sediment transport for fixed configurations of the scour hole. When changing the governing parameters which are causing the scour development around the structure, the erosion rate or backfilling rate can be calculated from the mass balance of the sediment. This leads to the scour rates tables that are used to analyse the development of the scour hole under different wave and current conditions. The method has been tested against experimental scour data and showed very promising results.

KW - Scour

KW - Monopile

KW - CFD

KW - Current

KW - Sediment transport

M3 - Article in proceedings

BT - Proceedings of the International Conference on Coastal Engineering 2012

PB - American Society of Civil Engineers

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Dixen M, Lohmann IP, Christensen ED. Method to Predict Long Time Span of Scour Around Offshore Wind Turbine Foundations. In Proceedings of the International Conference on Coastal Engineering 2012. American Society of Civil Engineers. 2012