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http://dx.doi.org/10.3744/SNAK.2002.39.4.017

Optimum Inverse Design of 2-D Cascade Airfoil  

조장근 (부산대학교 기계공학과)
박원규 (부산대학교 기계공학과)
Publication Information
Journal of the Society of Naval Architects of Korea / v.39, no.4, 2002 , pp. 17-23 More about this Journal
Abstract
The present paper describes the optimum inverse design of 2-D linear cascade airfoil. The pressure coefficient of an airfoil surface is taken as the objective function, and non-orthogonal incompressible Navier-Stokes equation is applied to calculate the pressure coefficient. Both of steepest descent and conjugate gradient method have been used to make the objective function go to zero. The 1st order finite differential method is applied to the searching direction and the golden section method is used to compute the searching distance. As a result of the present work, a good convergence to the target airfoil has been obtained.
Keywords
Navier-Stokes equations; Inverse design; Cascade; Steepest descent method; Conjugate gradient method; Golden section search;
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