Application of the PISA framework to the design of offshore wind turbine monopile foundations

S. Panagoulias, Ronald Brinkgreve, Elini Minga, Harvey Burd, R. McAdam

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Abstract

The recently-completed PISA (PIle Soil Analysis) research project aimed to improve the design of monopile foundations for offshore wind turbines (OWT), focusing on laterally-loaded monopiles with length-to-diameter (L/D) ratios between 2 and 6. The project resulted in a novel one-dimensional (1D) design model which overcomes certain limitations in current practice. The PISA 1D design model facilitates rapid design calculations, based on the use of Timoshenko beam theory to represent the monopile. The soil response is modelled via soil reactions, applied along the shaft and at the base of the monopile. The soil reaction curves are determined using a series of three-dimensional (3D) finite element (FE) calibration calculations, performed prior to the design process, spanning a representative design space. A new software tool called PLAXIS MoDeTo (Monopile Design Tool) has been developed based on this design procedure. This design tool facilitates the automatic generation and calculation of the 3D FE calibration models, the optimisation of the soil reaction curves and the conduct of the 1D design calculations.
Original languageEnglish
Title of host publicationProcedings of the WindEurope congress 2018 within the Global Wind Summit
Subtitle of host publication25–28 September 2018, Hamburg, Germany
Number of pages9
Publication statusPublished - 2018
EventWindEurope 2018 Conference: Everywhere we look, wind energy is breaking new ground - Hamburg, Germany
Duration: 25 Sep 201828 Sep 2018
https://windeurope.org/summit2018/conference/

Conference

ConferenceWindEurope 2018 Conference
CountryGermany
CityHamburg
Period25/09/1828/09/18
Internet address

Keywords

  • PISA
  • PLAXIS MoDeTo
  • Offshore wind
  • offshore foundations
  • monopile design

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    Panagoulias, S., Brinkgreve, R., Minga, E., Burd, H., & McAdam, R. (2018). Application of the PISA framework to the design of offshore wind turbine monopile foundations. In Procedings of the WindEurope congress 2018 within the Global Wind Summit: 25–28 September 2018, Hamburg, Germany