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- Publisher
- Emerald Publishing
- Copyright
- Copyright © 2007 Emerald Group Publishing Limited. All rights reserved.
- ISSN
- 0002-2667
- DOI
- 10.1108/00022660710829809
- Publisher site
- See Article on Publisher Site
Abstract
Purpose – This paper's purpose is to deal with single point and multipoint optimization of an airfoil. The aim of the paper is to discuss optimization in several design points (multipoint optimization) and compare the results with those of optimization at a specified design point. Design/methodology/approach – A gradient‐based method is adopted for optimization and the flow is governed by two dimensional, compressible Euler equations. A finite volume code based on unstructured grid is developed to solve the equations. Findings – Two test cases are studied for an airfoil with initial profile of NACA0012, with two types of design variables. And at the end a multi‐point case is presented. Originality/value – The advantage of this technique over the other gradient‐based methods is its high‐convergence rate.
Journal
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Oct 30, 2007
Keywords: Optimization techniques; Design; Variance; Aerospace engineering