Abstract
This paper presents a practical inverse design method for certain body surface. A potential-based panel method in combination with the niche genetic optimization algorithm is adopted to design the body surface of given target pressure distribution through dealing with Dirichlet boundary condition. First, a niche genetic optimization model is established to provide ideal target pressure distribution for the inverse design method. Then, the integral equation of the relation between the given perturbation velocity potential and the local flux of the unknown surface is derived through the Green's theorem, together with the mutual restraint model between the change of the velocity potential and the body surface correction established. Finally, the body surface which meets the target pressure distribution is obtained after several iterations through the modified function. Design examples show that the inverse design method is of good convergence and effectiveness, and can be applied to design two-dimensional and three-dimensional body surface.
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