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References (3)
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B. Sørensen, E. Jo̸rgensen, C. Debel, F. Jensen, H. Jensen, T. Jacobsen, K. Halling (2004)
Improved design of large wind turbine blade of fibre composites based on studies of scale effects (Phase 1) - Summary Report -
(1999)
Mechanics of composite materials, 2nd edition, Taylor and Francis, Philadelphia, USA -
Lin Hai-chen (2007)
The Finite Element Analysis of Wind Turbine BladeJournal of Mianyang Normal University
- Publisher
- SAGE
- Copyright
- © 2005 SAGE Publications
- ISSN
- 0309-524X
- eISSN
- 2048-402X
- DOI
- 10.1260/0309524054353700
- Publisher site
- See Article on Publisher Site
Abstract
A very detailed 2D-solid finite element model is developed representing the load-carrying box girder of a wind turbine blade. Using typical geometrical values for the girder dimensions and public available material data, the overall cross-sectional behaviour is analysed for a simple compressive line load. The results are compared with result from similar shell models, which typically are used for practical design. Usually, good agreement between the shell models and the detailed 2D-solid model is found for the deflections, strains and stresses in regions with loads from pure bending. However, large differences can exist in regions where the loading is dominated by shear. It is found that geometrical non-linearity starts to become important when deflections are of the same order as the laminate thickness.
Journal
Wind Engineering – SAGE
Published: Jan 1, 2005