Abstract
We demonstrate a model for estimating the joint probability distribution of two load components acting on a wind turbine blade cross section. The model addresses the problem of modelling the probability distribution of load time histories with large periodic components by dividing the signal into a periodic part and a perturbation term, where each part has a known probability distribution. The proposed model shows good agreement with simulated data under stationary conditions, and a design load envelope based on this model is comparable to the load envelope estimated using the standard procedure for determining contemporaneous loads. By defining a joint probability distribution and full return-period contours for multiple load components, the suggested procedure gives the possibility for determining the most critical loading direction in a blade cross section, or for carrying out reliability analysis on an entire cross section.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 12th International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP12) |
| Editors | Terje Haukaas |
| Number of pages | 8 |
| Publisher | The University of British Columbia |
| Publication date | 2015 |
| Publication status | Published - 2015 |
| Event | 12th International Conference on Applications of Statistics and Probability in Civil Engineering - Vancouver, Canada Duration: 12 Jul 2015 → 15 Jul 2015 Conference number: 12 |
Conference
| Conference | 12th International Conference on Applications of Statistics and Probability in Civil Engineering |
|---|---|
| Number | 12 |
| Country/Territory | Canada |
| City | Vancouver |
| Period | 12/07/2015 → 15/07/2015 |
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