Optimization of 3D wings based on Navier-Stokes solutions and genetic algorithms
Abstract
The problem of the aerodynamic shape optimization to minimum drag, subject to geometrical and aerodynamic constraints, is considered. An accurate and computationally efficient approach to the multiobjective constrained design of 3D aerodynamic wings is proposed. The optimization is driven by full Navier-Stokes computations and Genetic Algorithms (GAs). The verification results include a variety of optimization cases for a classical test-case of ONERA M6 wing in transonic flight conditions. The method allows to significantly reduce the total drag of optimized wings, while exhibiting high robustness and keeping CFD computational volume to an acceptable level.
- Publication:
-
International Journal of Computational Fluid Dynamics
- Pub Date:
- February 2006
- DOI:
- 10.1080/10618560600761601
- Bibcode:
- 2006IJCFD..20...75E
- Keywords:
-
- Optimization;
- Genetic algorithms;
- Aerodynamic shapes;
- Reduced-order models;
- Nonlinear constraints;
- Navier-Stokes equations