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Wind Energy Science The interactive open-access journal of the European Academy of Wind Energy
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Geometrically nonlinear blade modeling effects on the turbine loads and computation time are investigated in an aero-elastic code based on multibody formulation. A large number of fatigue load cases are used in the study. The results show that the nonlinearities become prominent for large and flexible blades. It is possible to run nonlinear models without significant increase in computational time compared to the linear model by changing the matrix solver type from dense to sparse.
WES | Articles | Volume 5, issue 2
Wind Energ. Sci., 5, 503–517, 2020
https://doi.org/10.5194/wes-5-503-2020
Wind Energ. Sci., 5, 503–517, 2020
https://doi.org/10.5194/wes-5-503-2020

Research article 20 Apr 2020

Research article | 20 Apr 2020

The effects of blade structural model fidelity on wind turbine load analysis and computation time

Ozan Gözcü and David R. Verelst

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Latest update: 13 Jun 2021
Publications Copernicus
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Short summary
Geometrically nonlinear blade modeling effects on the turbine loads and computation time are investigated in an aero-elastic code based on multibody formulation. A large number of fatigue load cases are used in the study. The results show that the nonlinearities become prominent for large and flexible blades. It is possible to run nonlinear models without significant increase in computational time compared to the linear model by changing the matrix solver type from dense to sparse.
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