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16 June 2023 Hull strength analysis for wind turbine units
Yong Zhang, Lijun Qian, Lele Liu
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Proceedings Volume 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023); 126392Q (2023) https://doi.org/10.1117/12.2682096
Event: Third International Conference on Mechanical Design and Simulation (MDS 2023), 2023, Xi'an, China
Abstract
This paper presents hull strength analysis method for wind turbine units. First FEM model is created. Main deck, tween deck, inner bottom and bulkheads are created by shell and beam elements. The method for modelling the connection between legs and jacking systems is introduced in this paper. Then the loads for wind turbine units are summarized, including wind loads, wave and current loads, inertial loads and P-delta loads. The design criteria for hull strength analysis is also discussed. Last hull strength for a wind turbine unit is executed, and results show that the unit has adequate to support all the loads according to design conditions. Unlike other type of jack ups, the maximum stress always appears where the main crane locates, so the support structure must be strengthened specially. And more attention should be paid for leg well corner, especially where opening such as doors, manholes locate.
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Yong Zhang, Lijun Qian, and Lele Liu "Hull strength analysis for wind turbine units", Proc. SPIE 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023), 126392Q (16 June 2023); https://doi.org/10.1117/12.2682096
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KEYWORDS
Wind turbine technology
Design and modelling
Finite element methods
Bending stress
Boundary conditions
Structural analysis
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