Abstract:Abstract. This paper illustrates how surface curvature constraints are incorporated within a two-dimensional optimization method to control geometric oscillations along aerodynamically optimized airfoils. Two treatments were developed; each bounds the surface curvature of an airfoil with upper and lower limits. The first treatment maintains the overall shape of the airfoil while minimizing the local oscillations by applying symmetric curvature bounding. The second treatment bounds an airfoil within a prescribe… Show more
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