Abstract

VICONOPT is an optimum design program for prismatic plate assemblies based on exact methods of eigenvalue analysis. It has proved to be reliable and efficient in the optimum design of stiffened aerospace panels. Parametric design studies have been made for panels with longitudinal voids, skewed panels and variants of benchmark aircraft wing panels, including estimation of the effects of allowance for transverse shear deformation. Current developments include efficient methods for the design of multi-cell wing boxes, the use of random design moves to escape from a local optimum, a generic minimum cost design procedure and an exploration of parallel methods for optimum design.

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