<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Some problems of the foundations of offshore wind turbines are considered in this paper. A short review is presented on the two basic types of foundations, i.e. monopiles and gravity foundations, including their basic features and applications as well as general design considerations. Also, some issues regarding analysis are discussed, including geotechnical problems and modelling techniques. A numerical model of offshores turbine and some preliminary computations are presented. Finite element analysis was carried out for wind turbines supported on both gravity and monopile foundations. The wind turbine tower, blades (simplified model), gravity foundation and part of the surrounding soil are included in the model. The turbine was loaded by wind and loads induced by waves, inertia and gravity. Both non-linear static and dynamic analysis of the wind turbine was performed. The displacements and stresses under the tower foundations were calculated and a comparison analysis carried out.</p></abstract>

Some problems of the foundations of offshore wind turbines are considered in this paper. A short review is presented on the two basic types of foundations, i.e. monopiles and gravity foundations, including their basic features and applications as well as general design considerations. Also, some issues regarding analysis are discussed, including geotechnical problems and modelling techniques. A numerical model of offshores turbine and some preliminary computations are presented. Finite element analysis was carried out for wind turbines supported on both gravity and monopile foundations. The wind turbine tower, blades (simplified model), gravity foundation and part of the surrounding soil are included in the model. The turbine was loaded by wind and loads induced by waves, inertia and gravity. Both non-linear static and dynamic analysis of the wind turbine was performed. The displacements and stresses under the tower foundations were calculated and a comparison analysis carried out.

Short Review and 3-D FEM Analysis of Basic Types of Foundation for Offshore Wind Turbines

Polish Maritime Research

This work is licensed under the Creative Commons Attribution 4.0 International License.

Some problems of the foundations of offshore wind turbines are considered in this paper. A short review is presented on the two basic types of foundations,...

Short Review and 3-D FEM Analysis of Basic Types of Foundation for Offshore Wind Turbines

Published Online: Sep 29, 2020

Page range: 31 - 39

DOI: https://doi.org/10.2478/pomr-2020-0044

Keywords
offshore wind turbine, monopile, gravity foundation, FEM analysis

© 2020 Piotr Iwicki et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Short Review and 3-D FEM Analysis of Basic Types of Foundation for Offshore Wind Turbines

Published Online: Sep 29, 2020

Page range: 31 - 39

DOI: https://doi.org/10.2478/pomr-2020-0044

Keywordsoffshore wind turbine, monopile, gravity foundation, FEM analysis

© 2020 Piotr Iwicki et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
offshore wind turbine, monopile, gravity foundation, FEM analysis