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Wind Energy Science The interactive open-access journal of the European Academy of Wind Energy
https://doi.org/10.5194/wes-2016-42
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research articles
06 Mar 2017
Review status
This discussion paper is under review for the journal Wind Energy Science (WES).
A Validation and Code-to-Code Verification of FAST for a Megawatt-ScaleWind Turbine with Aeroelastically Tailored Blades
Srinivas Guntur1, Jason Jonkman1, Ryan Sievers2, Michael A. Sprague1, Scott Schreck1, and Qi Wang1 1National Renewable Energy Laboratory, Golden, CO, USA
2Siemens Wind Power, Inc., Boulder, CO, USA
Abstract. This paper presents validation and code-to-code verification of the latest version of the U.S. Department of Energy, National Renewable Energy Laboratory wind turbine aeroelastic engineering simulation tool, FAST v8. A set of 1,141 test cases, for which experimental data from a Siemens 2.3 MW machine have been made available and were in accordance with the International Electrotechnical Commission 61400-13 guidelines, were identified. These conditions were simulated using FAST as well as the Siemens in-house aeroelastic code, BHawC. This paper presents a detailed analysis comparing results from FAST with those from BHawC as well as experimental measurements, using statistics including the means and the standard deviations along with the power spectral densities of select turbine parameters and loads. Results indicate a good agreement among the predictions using FAST, BHawC, and experimental measurements. These agreements are discussed in detail in this paper, along with some comments regarding the differences seen in these comparisons relative to the inherent uncertainties in such a model-based analysis.

Citation: Guntur, S., Jonkman, J., Sievers, R., Sprague, M. A., Schreck, S., and Wang, Q.: A Validation and Code-to-Code Verification of FAST for a Megawatt-ScaleWind Turbine with Aeroelastically Tailored Blades, Wind Energ. Sci. Discuss., https://doi.org/10.5194/wes-2016-42, in review, 2017.
Srinivas Guntur et al.
Srinivas Guntur et al.
Srinivas Guntur et al.

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Short summary
This paper presents a validation and code-to-code verification of the U.S. Dept of Energy/NREL wind turbine aeroelastic code, FAST v8 on a 2.3 MW wind turbine. Model validation is critical to any model-based research and development activity, and validation efforts on large turbines as the current are extremely rare, mainly due to the scale. This paper, which was a collaboration between NREL and Siemens Wind Power, successfully demonstrates and validates the capabilities of FAST.
This paper presents a validation and code-to-code verification of the U.S. Dept of Energy/NREL...
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