Airfoil Design Using Navier-Stokes Equations and Hybrid Evolutionary Optimization Techniques
Abstract
An application of hybrid optimization techniques to airfoil design with Navier-Stokes equations is here presented and discussed. The greatest obstacle in the use of Navier-Stokes equations with evolutionary optimization procedures is the huge computational effort required. To overcome this limit, several approaches have been suggested, that range ion% parallel genetic algorithms to approximated fitness evaluation to hybrid techniques. These three approaches can be profitably combined and an example will be here given related to transonic airfoil design. The lecture is organized as follows: an outline of hybrid optimization techniques will be given then the parallel hybrid genetic algorithm will be presented. Thereafter an application example will be reported, and finally some ongoing developments about the hybrid approach based on gradient computation through the adjoint to Navier-Stokes equations will be described.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 2003
- Accession Number
- ADA485073
Entities
People
- Angelo Iollo
- Domenic D'ambrosio
- Domenico Quagliarella