Articles | Volume 3, issue 1
https://doi.org/10.5194/wes-3-107-2018
https://doi.org/10.5194/wes-3-107-2018
Research article
 | 
14 Mar 2018
Research article |  | 14 Mar 2018

Effects of defects in composite wind turbine blades – Part 3: A framework for treating defects as uncertainty variables for blade analysis

Trey W. Riddle, Jared W. Nelson, and Douglas S. Cairns

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Cited articles

Bacharoudis, K. C. and Philippidis, T. P.: A probabilistic approach for strength and stability evaluation of wind turbine rotor blades in ultimate loading, Struct. Saf., 40, 31–38, https://doi.org/10.1016/j.strusafe.2012.09.006, 2013. 
Berry, D.: Blade System Design Studies Phase II: Final Project Report, Report No. SAND2008-4648, Sandia National Laboratories, Albuquerque, NM, 2008. 
Desmond, M., Hughes, S., and Paquette, J.: Structural Testing of the Blade Reliability Collaborative Effect of Defect Wind Turbine Blades Report No. NREL/TP-5000-63512, National Renewable Energy Laboratory, Boulder, CO, 2015 
Ditlevsen, O. and Madsen, H. O.: Structural reliability methods, 178, New York, Wiley, https://doi.org/10.1002/9780470611708, 1996. 
Dowling, N. E.: Mechanical behavior of materials, Pearson, https://doi.org/10.1080/10426910008913020, 2012. 
Short summary
The Department of Energy sponsored, Sandia National Laboratory led Blade Reliability Collaborative was formed to address wind turbine blade reliability. Utilizing the results of characterization and mechanical testing studies, probabilistic models were developed to assess the reliability of a wind blade with known defects. By treating defects as random variables, the results indicate that characterization of defects and reduction of design uncertainty is possible for wind turbine blades.
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