Comparing Estimates of Wind Turbine Fatigue Loads using Time-Domain and Spectral Methods

@inproceedings{Ragan2007ComparingEO,
  title={Comparing Estimates of Wind Turbine Fatigue Loads using Time-Domain and Spectral Methods},
  author={Patrick Ragan and Lance Manuel},
  year={2007}
}
Fatigue analysis for wind turbines is typically carried out in the time domain, using cycle counting techniques such as ASTM’s Rainflow Cycle-Counting Algorithm. As an alternative, earlier workers investigated the feasibility of estimating wind turbine fatigue loads using spectral techniques such as Dirlik’s method to estimate stress range probability distributions that are based on spectral moments of the load in question. The present paper re-examines this approach with a particular view to… CONTINUE READING

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