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A new methodology to increase fatigue life and optimise design and maintenance
operations for wind turbines in forest and cold climate environment

                              A research proposal

       Jean-Marc Battini (Associate Professor) & Raid Karoumi (Professor)

                        KTH Royal Institute of Technology
                 Division of Structural Engineering and Bridges
The combination of mechanical analyses and
        structural monitoring leads to better estimations to
        the life of the structure and the electricity production.    monitoring using
                                                                     wireless sensors
        Such a combination is particularly important when
        icing conditions make the structural modeling more
        complicated.




                                                    model update

                   blade geometry,
                                                                               dynamic response
                   stiffness, mass
                                                                               maintenance operations
                   distribution
                                                                               life of the structure
icing

                                                                                electricity production
                 aerodynamic loads



                                                                           Corotational finite beam elements, by
                                          non-linear dynamic model         decomposing the motion into rigid body
                                          using corotational beams         and pure deformational parts, are well
                                                                           adapted to model accurately the blades.

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  • 1. A new methodology to increase fatigue life and optimise design and maintenance operations for wind turbines in forest and cold climate environment A research proposal Jean-Marc Battini (Associate Professor) & Raid Karoumi (Professor) KTH Royal Institute of Technology Division of Structural Engineering and Bridges
  • 2. The combination of mechanical analyses and structural monitoring leads to better estimations to the life of the structure and the electricity production. monitoring using wireless sensors Such a combination is particularly important when icing conditions make the structural modeling more complicated. model update blade geometry, dynamic response stiffness, mass maintenance operations distribution life of the structure icing electricity production aerodynamic loads Corotational finite beam elements, by non-linear dynamic model decomposing the motion into rigid body using corotational beams and pure deformational parts, are well adapted to model accurately the blades.