Publisher DOI: 10.1016/j.marstruc.2021.102970
Title: Fluid-structure interaction and stress analysis of a floating wind turbine
Language: English
Authors: Wiegard, Bjarne Thorsten Nikolas 
König, Marcel 
Lund, Jorrid 
Radtke, Lars 
Netzband, Stefan 
Abdel-Maksoud, Moustafa  
Düster, Alexander 
Keywords: Fluid-structure interaction;Partitioned solution approach;Self-aligning floating wind turbine;Stress analysis;Superelement
Issue Date: Jul-2021
Source: Marine Structures 78: 102970 (2021-07)
Journal: Marine structures 
Abstract (english): 
In this paper, we describe a method to investigate the fluid-structure interaction of a floating wind turbine and to analyze the global deformations and the corresponding stresses with a detailed finite element model. To solve the fluid-structure interaction problem, a partitioned approach is chosen. The in-house C++ library comana, which was developed to solve multi-physic problems by coupling existing solvers, is extended to couple the fluid solver panMARE and the structural solver ANSYS. The significance of the interaction of structural deformations and the fluid loads is pointed out for the rotor of the wind turbine. In order to enable the use of a detailed finite element model in the fluid-structure interaction simulation, a model reduction method is applied in ANSYS. As a result, an efficient stress analysis can be performed under consideration of the fluid-structure interaction.
ISSN: 0951-8339
Institute: Fluiddynamik und Schiffstheorie M-8 
Konstruktion und Festigkeit von Schiffen M-10 
Document Type: Article
Project: Fluid-Struktur-Interaktion und Optimierung von schwimmenden Offshore-Windenergieanlagen 
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