Viscous single and multicomponent airfoil design with genetic algorithms
An optimization procedure aimed at the design of multicomponent airfoils for high-lift applications is described. The procedure is based on a multiobjective genetic algorithm; two flow solvers have been coupled with the genetic algorithm: a viscousinviscid interaction method, based on an Euler flow solver and an integral boundary layer routine, and a method based on a full potential flow solver. The first model is used for high-lift configurations, whereas the second is used to optimize transonic performances for cruise configurations. The applications described include both single and multiobjective design of a high-lift multicomponent airfoil, and a multipoint design where the transonic and high-lift requirements are taken into account simultaneously.
genetic algorithms high-lift multiobjective optimization multi-point design multielement airfoils