Aeroelasticity

Aeroelasticity tools are increasingly used in the industry to fulfill two needs. First these tools are used to study aeroelastic stability of aircrafts and turbomachines: aeroelasticity tools are used to predict flutter onset or to study limit cycle aeroelastic oscillations. Secondly these tools are used to take flexibility effects into account the aerodynamic simulations, to increase the accuracy of the results.

To solve these problems CERFACS CFD team develops and validates aeroelasticity tools. These tools are based on code coupling schemes that allows to re-use the aerodynamics solvers developped in the team to perform high fidelity aeroelasticity simulations. These tools are designed and tuned to fit to the needs of industry partners like Airbus, Snecma and Turbomeca. The CFD team works on techniques like Time Spectral Method or Proper Orthogonal Decomposition to cut the computation cost of aeroelasticity simulations. Reasearch efforts are also dedicated to the use of adavanced numerical techniques, like Adjoint-based optimization or overset-grids technique, in its aeroelasticity tools.

Contact: Florian Blanc