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Wind turbines
  • Manufacturing of components
    • Innovative welding processes for towers
    • Assembly optimization of manufactured parts
    • Influence of machining of gearbox parts
    • Influence of welding on distortions, residual stresses, joint properties and weldability
    • Machining of large size parts
    • Influence of welding on crack propagation in nuclear vessel components 
    • Heat treatments after forming
  • Structural design analysis and optimization
    • Design and optimization of tower, main-frame, hub, blades: shape and materials
    • All types of simulations: linear and non-linear static, dynamic (impact, vibration), multi-physics (thermal-mechanical, thermal-chemical-mechanical)
    • Design and analysis of test structures and test samples / technical demonstrators
    • Expertise in simulation of fastened and adhesively bonded structures (design and modeling, including hybrid joining)
  • Cost performance tradeoffs
    • Performance requirements with low cost objectives starting in the early design phase
  • Process design, modeling and simulation for composite parts
    • Thermal and chemical shrinkage of T, Z, I, L, Omega shaped profiles, double curved stiffened structures, from both open and closed mold processing routes
    • Thermal – mechanical simulation and optimization of molds (heating power, thermal map, etc.)
    • Mold compensation & experimental characterization
    • Prediction of the local fibre architecture / fibre orientation, volume fraction from simulations of manufacturing (draping, braiding, etc.)
    • Global simulation of machining (hole drilling, trimming, …) of composite parts, prediction of the final shape, characterization of local delamination and experimental validation
  • Structural integrity and damage tolerance analysis
    • Analysis of the overall load carrying capacity in the presence of defects
    • Analysis of the stability of manufacturing defects or detected cracks 
    • Fatigue crack propagation in metallic structures, prediction of the service life
    • Cracks and defects analyses and link with the NDI and SHM
    • Failure analysis of composite structures (ply failure, delamination) under static and/or dynamic loading, coupled or not with thermal stress, as part of the structural integrity assessment
  • Large scale structural analysis on HPC infrastructure
    • Up to 50MDOFS FE simulations with material and geometrical non-linearities, macro-elements, bushings, contacts, composite shells or volumic shells
  • CFD-based analysis
    • Multi-physics flow problems around complex geometries (100+ MDOFs) with Argo (ALE finite volume/element second-order solver) 
    • RANS, DES & LES turbulence modeling for CFD simulations around blades, wind turbine tower, wind farm, ... 
    • Fluid-structure interaction problems based on the strong coupling of CFD and FE solvers 
    • Aero-acoustics problems based on the coupling of CFD and acoustic solvers 
    • Shape optimization of the blade design using a dedicated optimization software based on Minamo