The main goal of these parameterization schemes is to reduce the number of needed parameters as few as possible while controlling the important aerodynamic features effectively. Nowadays many different schemes of parameter sets are used to describe general airfoil such as B-spline, and PARSEC.
It is really difficult to optimize airfoils with this large number of co-ordinates. Generally if we want to optimize an airfoil we have to describe the airfoil and for that, we need to have at least hundred points of x and y co-ordinates. Aerodynamic shape optimization has become a vital part of aircraft design in the recent years.
The computational power and time required to carry out the analysis increase as the fidelity of the analysis increases. Computational fluid dynamics (CFD) is one of the computer-based solution methods which is more widely employed in aerospace engineering.
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