Dynamic Modelling of HiveWind Floating Wind Substructure in OpenFAST
Conference
·
OSTI ID:2482263
Current aero-elastic modes tend to consider the wind turbine floating substructures as rigid. However, the new generation of offshore wind platforms are leaner, less rigid. The OpenFAST code has been updated to consider the flexibility of the floating substructure. This presentation shows how a numerical model of the HiveWind design was created within OpenFAST as well as some verifications performed. When comparing the flexible model to a simplified rigid model (previous state-of-the-art), there are some significant differences in key performance indicators. The new flexibility capability within OpenFAST allows to calculate ultimate and fatigue loads within the floating substructure, allowing for the development of more economical designs.
- Research Organization:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Wind Energy Technologies Office
- DOE Contract Number:
- AC36-08GO28308
- OSTI ID:
- 2482263
- Report Number(s):
- NREL/PR-5000-91769; MainId:93547; UUID:84e63a91-e7fa-48fd-a647-534452e5c501; MainAdminId:75485
- Country of Publication:
- United States
- Language:
- English
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