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Lookup NU author(s): Professor Zhiqiang Hu
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© 2017 ASME. This paper presents a preliminary development and validation of a high-order coupled time-domain simulation code DARwind for floating offshore wind turbine systems. In the code, unsteady Blade-Element-Momentum method with some corrections has been utilized to calculate aerodynamic loads. Combination of potential-flow theory and Morison's equation are applied to calculate hydrodynamic loads. A quasi-static catenary mooring model is used to consider restoring forces from mooring lines. Kane's dynamic equations and a high-order coupled model with mode superposition are proposed to model kinematics and structural dynamics of floating offshore wind turbine systems. Subsequently, the effectiveness of the code and its unique high-order coupled dynamic characteristics have been verified by code-to-code tests.
Author(s): Hu Z, Liu G, Chen J
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering
Year of Conference: 2017
Online publication date: 25/06/2017
Acceptance date: 02/04/2016
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