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Lookup NU author(s): Professor Zhiqiang Hu
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© 2019, Shanghai Jiao Tong University Press. All rights reserved. The paper presents the theories of an in-house time-domain simulation code for floating offshore wind turbines. The unsteady blade-element-momentum method with correction methods is applied to calculate aerodynamic loads. Combination of the potential-flow theory and the Morison's formula are used to calculate hydrodynamic loads. The quasi-static catenary mooring method is implemented to calculate restoring forces from mooring lines. Kane's dynamic equations are used to establish dynamic governing equation for the system. The generator-torque controller and the full-span rotor-collective blade-pitch controller are used to regulate wind energy tracking. Subsequently, feasibility testing of the code is conducted by a series of code-to-code comparisons, which will benefit researchers in their theoretical study and development of numerical code for floating offshore wind turbines.
Author(s): Chen J, Liu G, Hu Z
Publication type: Article
Publication status: Published
Journal: Shanghai Jiaotong Daxue Xuebao/Journal of Shanghai Jiaotong University
Print publication date: 01/12/2019
Acceptance date: 02/04/2018
ISSN (print): 1007-1172
ISSN (electronic): 1995-8188
Publisher: Shanghai Jiao Tong University
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