This paper is concerned with the development of a fatigue life prediction methodology for ocean energy structures. To this end, a programme of fatigue testing of glass fibre reinforced laminates is employed to characterise the strain-life behaviour of two candidate material combinations. The test specimens are made from quasi-isotropic laminates of both vinyl ester and epoxy matrices. A preliminary finite element model of a tidal turbine blade is developed to identify the relevant stresses and strains under representative hydrodynamic loading. The hydrodynamic (blade) loads are calculated using a stream tube momentum model, based on tidal current velocities predicted by a sinusoidal equation. The comparative behaviour of the candidate materials is assessed in the context of the turbine blade model.
|Title of host publication||Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE|
|Number of pages||8|
|Publication status||Published - 24 Jun 2011|
|Event||ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011 - Rotterdam, Netherlands|
Duration: 19 Jun 2011 → 24 Jun 2011
|Conference||ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011|
|Period||19/06/11 → 24/06/11|