A practical approach for the peel stress prediction in the trailing-edge adhesive joint of wind turbine blades

Malo Rosemeier, Thomas Gebauer & Alexandros Antoniou
Wind turbine blades consist of thin-walled cylindric and airfoil-shaped structures, which are prone to “breathing” or “pumping” when subjected to cyclic loading. The “pumping” induces a peel stress in the adhesive layer of the trailing-edge bond line. To take account of this peel stress in the design phase, adequate models are required. State-of-the-art blade finite element (FE) models are usually implemented using shell elements. The trailing-edge joint is often represented by solid elements that are...
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